vendor: fetch the dependencies

25 files changed, 33553 insertions, 0 deletions

diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/auxiliary.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/auxiliary.go
new file mode 100644
index 000000000..1c8385f86
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/auxiliary.go
@@ -0,0 +1,636 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+package database
+
+import (
+	"context"
+	"time"
+
+	"cloud.google.com/go/longrunning"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	databasepb "cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
+	gax "github.com/googleapis/gax-go/v2"
+	"google.golang.org/api/iterator"
+)
+
+// CopyBackupOperation manages a long-running operation from CopyBackup.
+type CopyBackupOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CopyBackupOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Backup
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CopyBackupOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Backup
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CopyBackupOperation) Metadata() (*databasepb.CopyBackupMetadata, error) {
+	var meta databasepb.CopyBackupMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CopyBackupOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CopyBackupOperation) Name() string {
+	return op.lro.Name()
+}
+
+// CreateBackupOperation manages a long-running operation from CreateBackup.
+type CreateBackupOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateBackupOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Backup
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateBackupOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Backup
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateBackupOperation) Metadata() (*databasepb.CreateBackupMetadata, error) {
+	var meta databasepb.CreateBackupMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateBackupOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateBackupOperation) Name() string {
+	return op.lro.Name()
+}
+
+// CreateDatabaseOperation manages a long-running operation from CreateDatabase.
+type CreateDatabaseOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateDatabaseOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateDatabaseOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateDatabaseOperation) Metadata() (*databasepb.CreateDatabaseMetadata, error) {
+	var meta databasepb.CreateDatabaseMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateDatabaseOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateDatabaseOperation) Name() string {
+	return op.lro.Name()
+}
+
+// RestoreDatabaseOperation manages a long-running operation from RestoreDatabase.
+type RestoreDatabaseOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *RestoreDatabaseOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *RestoreDatabaseOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *RestoreDatabaseOperation) Metadata() (*databasepb.RestoreDatabaseMetadata, error) {
+	var meta databasepb.RestoreDatabaseMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *RestoreDatabaseOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *RestoreDatabaseOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateDatabaseDdlOperation manages a long-running operation from UpdateDatabaseDdl.
+type UpdateDatabaseDdlOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateDatabaseDdlOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateDatabaseDdlOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	return op.lro.Poll(ctx, nil, opts...)
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateDatabaseDdlOperation) Metadata() (*databasepb.UpdateDatabaseDdlMetadata, error) {
+	var meta databasepb.UpdateDatabaseDdlMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateDatabaseDdlOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateDatabaseDdlOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateDatabaseOperation manages a long-running operation from UpdateDatabase.
+type UpdateDatabaseOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateDatabaseOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateDatabaseOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*databasepb.Database, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp databasepb.Database
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateDatabaseOperation) Metadata() (*databasepb.UpdateDatabaseMetadata, error) {
+	var meta databasepb.UpdateDatabaseMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateDatabaseOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateDatabaseOperation) Name() string {
+	return op.lro.Name()
+}
+
+// BackupIterator manages a stream of *databasepb.Backup.
+type BackupIterator struct {
+	items    []*databasepb.Backup
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*databasepb.Backup, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *BackupIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *BackupIterator) Next() (*databasepb.Backup, error) {
+	var item *databasepb.Backup
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *BackupIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *BackupIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// BackupScheduleIterator manages a stream of *databasepb.BackupSchedule.
+type BackupScheduleIterator struct {
+	items    []*databasepb.BackupSchedule
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*databasepb.BackupSchedule, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *BackupScheduleIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *BackupScheduleIterator) Next() (*databasepb.BackupSchedule, error) {
+	var item *databasepb.BackupSchedule
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *BackupScheduleIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *BackupScheduleIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// DatabaseIterator manages a stream of *databasepb.Database.
+type DatabaseIterator struct {
+	items    []*databasepb.Database
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*databasepb.Database, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *DatabaseIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *DatabaseIterator) Next() (*databasepb.Database, error) {
+	var item *databasepb.Database
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *DatabaseIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *DatabaseIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// DatabaseRoleIterator manages a stream of *databasepb.DatabaseRole.
+type DatabaseRoleIterator struct {
+	items    []*databasepb.DatabaseRole
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*databasepb.DatabaseRole, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *DatabaseRoleIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *DatabaseRoleIterator) Next() (*databasepb.DatabaseRole, error) {
+	var item *databasepb.DatabaseRole
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *DatabaseRoleIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *DatabaseRoleIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// OperationIterator manages a stream of *longrunningpb.Operation.
+type OperationIterator struct {
+	items    []*longrunningpb.Operation
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*longrunningpb.Operation, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *OperationIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *OperationIterator) Next() (*longrunningpb.Operation, error) {
+	var item *longrunningpb.Operation
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *OperationIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *OperationIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/backup.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/backup.go
new file mode 100644
index 000000000..648c7f88e
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/backup.go
@@ -0,0 +1,61 @@
+/*
+Copyright 2020 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package database
+
+import (
+	"context"
+	"fmt"
+	"regexp"
+	"time"
+
+	"cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
+	"github.com/googleapis/gax-go/v2"
+	pbt "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+var (
+	validDBPattern = regexp.MustCompile("^projects/(?P<project>[^/]+)/instances/(?P<instance>[^/]+)/databases/(?P<database>[^/]+)$")
+)
+
+// StartBackupOperation creates a backup of the given database. It will be stored
+// as projects/<project>/instances/<instance>/backups/<backupID>. The
+// backup will be automatically deleted by Cloud Spanner after its expiration.
+//
+// backupID must be unique across an instance.
+//
+// expireTime is the time the backup will expire. It is respected to
+// microsecond granularity.
+//
+// databasePath must have the form
+// projects/<project>/instances/<instance>/databases/<database>.
+func (c *DatabaseAdminClient) StartBackupOperation(ctx context.Context, backupID string, databasePath string, expireTime time.Time, opts ...gax.CallOption) (*CreateBackupOperation, error) {
+	m := validDBPattern.FindStringSubmatch(databasePath)
+	if m == nil {
+		return nil, fmt.Errorf("database name %q should conform to pattern %q",
+			databasePath, validDBPattern)
+	}
+	ts := &pbt.Timestamp{Seconds: expireTime.Unix(), Nanos: int32(expireTime.Nanosecond())}
+	// Create request from parameters.
+	req := &databasepb.CreateBackupRequest{
+		Parent:   fmt.Sprintf("projects/%s/instances/%s", m[1], m[2]),
+		BackupId: backupID,
+		Backup: &databasepb.Backup{
+			Database:   databasePath,
+			ExpireTime: ts,
+		},
+	}
+	return c.CreateBackup(ctx, req, opts...)
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database.go
new file mode 100644
index 000000000..f68a4cb65
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database.go
@@ -0,0 +1,120 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package database
+
+import (
+	"context"
+	"fmt"
+	"regexp"
+	"strings"
+	"time"
+	"unicode"
+
+	"cloud.google.com/go/longrunning/autogen/longrunningpb"
+	"cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
+	"github.com/googleapis/gax-go/v2"
+	"google.golang.org/api/iterator"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+var retryer = gax.OnCodes(
+	[]codes.Code{codes.DeadlineExceeded, codes.Unavailable},
+	gax.Backoff{Initial: time.Millisecond, Max: time.Millisecond, Multiplier: 1.0},
+)
+
+// CreateDatabaseWithRetry creates a new database and retries the call if the
+// backend returns a retryable error. The actual CreateDatabase RPC is only
+// retried if the initial call did not reach the server. In other cases, the
+// client will query the backend for the long-running operation that was
+// created by the initial RPC and return that operation.
+func (c *DatabaseAdminClient) CreateDatabaseWithRetry(ctx context.Context, req *databasepb.CreateDatabaseRequest, opts ...gax.CallOption) (*CreateDatabaseOperation, error) {
+	for {
+		db, createErr := c.CreateDatabase(ctx, req, opts...)
+		if createErr == nil {
+			return db, nil
+		}
+		// Failed, check whether we should retry.
+		delay, shouldRetry := retryer.Retry(createErr)
+		if !shouldRetry {
+			return nil, createErr
+		}
+		if err := gax.Sleep(ctx, delay); err != nil {
+			return nil, err
+		}
+		// Extract the name of the database.
+		dbName := extractDBName(req.CreateStatement)
+		// Query the backend for any corresponding long-running operation to
+		// determine whether we should retry the RPC or not.
+		iter := c.ListDatabaseOperations(ctx, &databasepb.ListDatabaseOperationsRequest{
+			Parent: req.Parent,
+			Filter: fmt.Sprintf("(metadata.@type:type.googleapis.com/google.spanner.admin.database.v1.CreateDatabaseMetadata) AND (name:%s/databases/%s/operations/)", req.Parent, dbName),
+		}, opts...)
+		var mostRecentOp *longrunningpb.Operation
+		for {
+			op, err := iter.Next()
+			if err == iterator.Done {
+				break
+			}
+			if err != nil {
+				return nil, err
+			}
+			// A running operation is the most recent and should be returned.
+			if !op.Done {
+				return c.CreateDatabaseOperation(op.Name), nil
+			}
+			if op.GetError() == nil {
+				mostRecentOp = op
+			}
+		}
+		if mostRecentOp == nil {
+			continue
+		}
+		// Only finished operations found. Check whether the database exists.
+		_, getErr := c.GetDatabase(ctx, &databasepb.GetDatabaseRequest{
+			Name: fmt.Sprintf("%s/databases/%s", req.Parent, dbName),
+		})
+		if getErr == nil {
+			// Database found, return one of the long-running operations that
+			// has finished, which again should return the database.
+			return c.CreateDatabaseOperation(mostRecentOp.Name), nil
+		}
+		if status.Code(getErr) == codes.NotFound {
+			continue
+		}
+		// Error getting the database that was not NotFound.
+		return nil, getErr
+	}
+}
+
+var dbNameRegEx = regexp.MustCompile("\\s*CREATE\\s+DATABASE\\s+(.+)\\s*")
+
+// extractDBName extracts the database name from a valid CREATE DATABASE <db>
+// statement. We don't have to worry about invalid create statements, as those
+// should already have been handled by the backend and should return a non-
+// retryable error.
+func extractDBName(createStatement string) string {
+	if dbNameRegEx.MatchString(createStatement) {
+		namePossiblyWithQuotes := strings.TrimRightFunc(dbNameRegEx.FindStringSubmatch(createStatement)[1], unicode.IsSpace)
+		if len(namePossiblyWithQuotes) > 0 && namePossiblyWithQuotes[0] == '`' {
+			if len(namePossiblyWithQuotes) > 5 && namePossiblyWithQuotes[1] == '`' && namePossiblyWithQuotes[2] == '`' {
+				return string(namePossiblyWithQuotes[3 : len(namePossiblyWithQuotes)-3])
+			}
+			return string(namePossiblyWithQuotes[1 : len(namePossiblyWithQuotes)-1])
+		}
+		return string(namePossiblyWithQuotes)
+	}
+	return ""
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database_admin_client.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database_admin_client.go
new file mode 100644
index 000000000..1af1d1ed5
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/database_admin_client.go
@@ -0,0 +1,4194 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+package database
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"net/url"
+	"time"
+
+	iampb "cloud.google.com/go/iam/apiv1/iampb"
+	"cloud.google.com/go/longrunning"
+	lroauto "cloud.google.com/go/longrunning/autogen"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	databasepb "cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
+	gax "github.com/googleapis/gax-go/v2"
+	"google.golang.org/api/googleapi"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
+	"google.golang.org/api/option/internaloption"
+	gtransport "google.golang.org/api/transport/grpc"
+	httptransport "google.golang.org/api/transport/http"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
+)
+
+var newDatabaseAdminClientHook clientHook
+
+// DatabaseAdminCallOptions contains the retry settings for each method of DatabaseAdminClient.
+type DatabaseAdminCallOptions struct {
+	ListDatabases          []gax.CallOption
+	CreateDatabase         []gax.CallOption
+	GetDatabase            []gax.CallOption
+	UpdateDatabase         []gax.CallOption
+	UpdateDatabaseDdl      []gax.CallOption
+	DropDatabase           []gax.CallOption
+	GetDatabaseDdl         []gax.CallOption
+	SetIamPolicy           []gax.CallOption
+	GetIamPolicy           []gax.CallOption
+	TestIamPermissions     []gax.CallOption
+	CreateBackup           []gax.CallOption
+	CopyBackup             []gax.CallOption
+	GetBackup              []gax.CallOption
+	UpdateBackup           []gax.CallOption
+	DeleteBackup           []gax.CallOption
+	ListBackups            []gax.CallOption
+	RestoreDatabase        []gax.CallOption
+	ListDatabaseOperations []gax.CallOption
+	ListBackupOperations   []gax.CallOption
+	ListDatabaseRoles      []gax.CallOption
+	CreateBackupSchedule   []gax.CallOption
+	GetBackupSchedule      []gax.CallOption
+	UpdateBackupSchedule   []gax.CallOption
+	DeleteBackupSchedule   []gax.CallOption
+	ListBackupSchedules    []gax.CallOption
+	CancelOperation        []gax.CallOption
+	DeleteOperation        []gax.CallOption
+	GetOperation           []gax.CallOption
+	ListOperations         []gax.CallOption
+}
+
+func defaultDatabaseAdminGRPCClientOptions() []option.ClientOption {
+	return []option.ClientOption{
+		internaloption.WithDefaultEndpoint("spanner.googleapis.com:443"),
+		internaloption.WithDefaultEndpointTemplate("spanner.UNIVERSE_DOMAIN:443"),
+		internaloption.WithDefaultMTLSEndpoint("spanner.mtls.googleapis.com:443"),
+		internaloption.WithDefaultUniverseDomain("googleapis.com"),
+		internaloption.WithDefaultAudience("https://spanner.googleapis.com/"),
+		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
+		internaloption.EnableJwtWithScope(),
+		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
+			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
+	}
+}
+
+func defaultDatabaseAdminCallOptions() *DatabaseAdminCallOptions {
+	return &DatabaseAdminCallOptions{
+		ListDatabases: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		CreateDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		GetDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		UpdateDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		UpdateDatabaseDdl: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		DropDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		GetDatabaseDdl: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		SetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		TestIamPermissions: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		CreateBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		CopyBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		GetBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		UpdateBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		DeleteBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		ListBackups: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		RestoreDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		ListDatabaseOperations: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		ListBackupOperations: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		ListDatabaseRoles: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		CreateBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		GetBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		UpdateBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		DeleteBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		ListBackupSchedules: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		CancelOperation: []gax.CallOption{},
+		DeleteOperation: []gax.CallOption{},
+		GetOperation:    []gax.CallOption{},
+		ListOperations:  []gax.CallOption{},
+	}
+}
+
+func defaultDatabaseAdminRESTCallOptions() *DatabaseAdminCallOptions {
+	return &DatabaseAdminCallOptions{
+		ListDatabases: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		CreateDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		GetDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		UpdateDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		UpdateDatabaseDdl: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		DropDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		GetDatabaseDdl: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		SetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		TestIamPermissions: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		CreateBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		CopyBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		GetBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		UpdateBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		DeleteBackup: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		ListBackups: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		RestoreDatabase: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		ListDatabaseOperations: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		ListBackupOperations: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		ListDatabaseRoles: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		CreateBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		GetBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		UpdateBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		DeleteBackupSchedule: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		ListBackupSchedules: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		CancelOperation: []gax.CallOption{},
+		DeleteOperation: []gax.CallOption{},
+		GetOperation:    []gax.CallOption{},
+		ListOperations:  []gax.CallOption{},
+	}
+}
+
+// internalDatabaseAdminClient is an interface that defines the methods available from Cloud Spanner API.
+type internalDatabaseAdminClient interface {
+	Close() error
+	setGoogleClientInfo(...string)
+	Connection() *grpc.ClientConn
+	ListDatabases(context.Context, *databasepb.ListDatabasesRequest, ...gax.CallOption) *DatabaseIterator
+	CreateDatabase(context.Context, *databasepb.CreateDatabaseRequest, ...gax.CallOption) (*CreateDatabaseOperation, error)
+	CreateDatabaseOperation(name string) *CreateDatabaseOperation
+	GetDatabase(context.Context, *databasepb.GetDatabaseRequest, ...gax.CallOption) (*databasepb.Database, error)
+	UpdateDatabase(context.Context, *databasepb.UpdateDatabaseRequest, ...gax.CallOption) (*UpdateDatabaseOperation, error)
+	UpdateDatabaseOperation(name string) *UpdateDatabaseOperation
+	UpdateDatabaseDdl(context.Context, *databasepb.UpdateDatabaseDdlRequest, ...gax.CallOption) (*UpdateDatabaseDdlOperation, error)
+	UpdateDatabaseDdlOperation(name string) *UpdateDatabaseDdlOperation
+	DropDatabase(context.Context, *databasepb.DropDatabaseRequest, ...gax.CallOption) error
+	GetDatabaseDdl(context.Context, *databasepb.GetDatabaseDdlRequest, ...gax.CallOption) (*databasepb.GetDatabaseDdlResponse, error)
+	SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
+	GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
+	TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest, ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)
+	CreateBackup(context.Context, *databasepb.CreateBackupRequest, ...gax.CallOption) (*CreateBackupOperation, error)
+	CreateBackupOperation(name string) *CreateBackupOperation
+	CopyBackup(context.Context, *databasepb.CopyBackupRequest, ...gax.CallOption) (*CopyBackupOperation, error)
+	CopyBackupOperation(name string) *CopyBackupOperation
+	GetBackup(context.Context, *databasepb.GetBackupRequest, ...gax.CallOption) (*databasepb.Backup, error)
+	UpdateBackup(context.Context, *databasepb.UpdateBackupRequest, ...gax.CallOption) (*databasepb.Backup, error)
+	DeleteBackup(context.Context, *databasepb.DeleteBackupRequest, ...gax.CallOption) error
+	ListBackups(context.Context, *databasepb.ListBackupsRequest, ...gax.CallOption) *BackupIterator
+	RestoreDatabase(context.Context, *databasepb.RestoreDatabaseRequest, ...gax.CallOption) (*RestoreDatabaseOperation, error)
+	RestoreDatabaseOperation(name string) *RestoreDatabaseOperation
+	ListDatabaseOperations(context.Context, *databasepb.ListDatabaseOperationsRequest, ...gax.CallOption) *OperationIterator
+	ListBackupOperations(context.Context, *databasepb.ListBackupOperationsRequest, ...gax.CallOption) *OperationIterator
+	ListDatabaseRoles(context.Context, *databasepb.ListDatabaseRolesRequest, ...gax.CallOption) *DatabaseRoleIterator
+	CreateBackupSchedule(context.Context, *databasepb.CreateBackupScheduleRequest, ...gax.CallOption) (*databasepb.BackupSchedule, error)
+	GetBackupSchedule(context.Context, *databasepb.GetBackupScheduleRequest, ...gax.CallOption) (*databasepb.BackupSchedule, error)
+	UpdateBackupSchedule(context.Context, *databasepb.UpdateBackupScheduleRequest, ...gax.CallOption) (*databasepb.BackupSchedule, error)
+	DeleteBackupSchedule(context.Context, *databasepb.DeleteBackupScheduleRequest, ...gax.CallOption) error
+	ListBackupSchedules(context.Context, *databasepb.ListBackupSchedulesRequest, ...gax.CallOption) *BackupScheduleIterator
+	CancelOperation(context.Context, *longrunningpb.CancelOperationRequest, ...gax.CallOption) error
+	DeleteOperation(context.Context, *longrunningpb.DeleteOperationRequest, ...gax.CallOption) error
+	GetOperation(context.Context, *longrunningpb.GetOperationRequest, ...gax.CallOption) (*longrunningpb.Operation, error)
+	ListOperations(context.Context, *longrunningpb.ListOperationsRequest, ...gax.CallOption) *OperationIterator
+}
+
+// DatabaseAdminClient is a client for interacting with Cloud Spanner API.
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+//
+// # Cloud Spanner Database Admin API
+//
+// The Cloud Spanner Database Admin API can be used to:
+//
+//	create, drop, and list databases
+//
+//	update the schema of pre-existing databases
+//
+//	create, delete, copy and list backups for a database
+//
+//	restore a database from an existing backup
+type DatabaseAdminClient struct {
+	// The internal transport-dependent client.
+	internalClient internalDatabaseAdminClient
+
+	// The call options for this service.
+	CallOptions *DatabaseAdminCallOptions
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient *lroauto.OperationsClient
+}
+
+// Wrapper methods routed to the internal client.
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *DatabaseAdminClient) Close() error {
+	return c.internalClient.Close()
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *DatabaseAdminClient) setGoogleClientInfo(keyval ...string) {
+	c.internalClient.setGoogleClientInfo(keyval...)
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: Connections are now pooled so this method does not always
+// return the same resource.
+func (c *DatabaseAdminClient) Connection() *grpc.ClientConn {
+	return c.internalClient.Connection()
+}
+
+// ListDatabases lists Cloud Spanner databases.
+func (c *DatabaseAdminClient) ListDatabases(ctx context.Context, req *databasepb.ListDatabasesRequest, opts ...gax.CallOption) *DatabaseIterator {
+	return c.internalClient.ListDatabases(ctx, req, opts...)
+}
+
+// CreateDatabase creates a new Cloud Spanner database and starts to prepare it for serving.
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <database_name>/operations/<operation_id> and
+// can be used to track preparation of the database. The
+// metadata field type is
+// CreateDatabaseMetadata.
+// The response field type is
+// Database, if successful.
+func (c *DatabaseAdminClient) CreateDatabase(ctx context.Context, req *databasepb.CreateDatabaseRequest, opts ...gax.CallOption) (*CreateDatabaseOperation, error) {
+	return c.internalClient.CreateDatabase(ctx, req, opts...)
+}
+
+// CreateDatabaseOperation returns a new CreateDatabaseOperation from a given name.
+// The name must be that of a previously created CreateDatabaseOperation, possibly from a different process.
+func (c *DatabaseAdminClient) CreateDatabaseOperation(name string) *CreateDatabaseOperation {
+	return c.internalClient.CreateDatabaseOperation(name)
+}
+
+// GetDatabase gets the state of a Cloud Spanner database.
+func (c *DatabaseAdminClient) GetDatabase(ctx context.Context, req *databasepb.GetDatabaseRequest, opts ...gax.CallOption) (*databasepb.Database, error) {
+	return c.internalClient.GetDatabase(ctx, req, opts...)
+}
+
+// UpdateDatabase updates a Cloud Spanner database. The returned
+// [long-running operation][google.longrunning.Operation] can be used to track
+// the progress of updating the database. If the named database does not
+// exist, returns NOT_FOUND.
+//
+// While the operation is pending:
+//
+//	The database’s
+//	reconciling
+//	field is set to true.
+//
+//	Cancelling the operation is best-effort. If the cancellation succeeds,
+//	the operation metadata’s
+//	cancel_time
+//	is set, the updates are reverted, and the operation terminates with a
+//	CANCELLED status.
+//
+//	New UpdateDatabase requests will return a FAILED_PRECONDITION error
+//	until the pending operation is done (returns successfully or with
+//	error).
+//
+//	Reading the database via the API continues to give the pre-request
+//	values.
+//
+// Upon completion of the returned operation:
+//
+//	The new values are in effect and readable via the API.
+//
+//	The database’s
+//	reconciling
+//	field becomes false.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>
+// and can be used to track the database modification. The
+// metadata field type is
+// UpdateDatabaseMetadata.
+// The response field type is
+// Database, if successful.
+func (c *DatabaseAdminClient) UpdateDatabase(ctx context.Context, req *databasepb.UpdateDatabaseRequest, opts ...gax.CallOption) (*UpdateDatabaseOperation, error) {
+	return c.internalClient.UpdateDatabase(ctx, req, opts...)
+}
+
+// UpdateDatabaseOperation returns a new UpdateDatabaseOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseOperation, possibly from a different process.
+func (c *DatabaseAdminClient) UpdateDatabaseOperation(name string) *UpdateDatabaseOperation {
+	return c.internalClient.UpdateDatabaseOperation(name)
+}
+
+// UpdateDatabaseDdl updates the schema of a Cloud Spanner database by
+// creating/altering/dropping tables, columns, indexes, etc. The returned
+// [long-running operation][google.longrunning.Operation] will have a name of
+// the format <database_name>/operations/<operation_id> and can be used to
+// track execution of the schema change(s). The
+// metadata field type is
+// UpdateDatabaseDdlMetadata.
+// The operation has no response.
+func (c *DatabaseAdminClient) UpdateDatabaseDdl(ctx context.Context, req *databasepb.UpdateDatabaseDdlRequest, opts ...gax.CallOption) (*UpdateDatabaseDdlOperation, error) {
+	return c.internalClient.UpdateDatabaseDdl(ctx, req, opts...)
+}
+
+// UpdateDatabaseDdlOperation returns a new UpdateDatabaseDdlOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseDdlOperation, possibly from a different process.
+func (c *DatabaseAdminClient) UpdateDatabaseDdlOperation(name string) *UpdateDatabaseDdlOperation {
+	return c.internalClient.UpdateDatabaseDdlOperation(name)
+}
+
+// DropDatabase drops (aka deletes) a Cloud Spanner database.
+// Completed backups for the database will be retained according to their
+// expire_time.
+// Note: Cloud Spanner might continue to accept requests for a few seconds
+// after the database has been deleted.
+func (c *DatabaseAdminClient) DropDatabase(ctx context.Context, req *databasepb.DropDatabaseRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DropDatabase(ctx, req, opts...)
+}
+
+// GetDatabaseDdl returns the schema of a Cloud Spanner database as a list of formatted
+// DDL statements. This method does not show pending schema updates, those may
+// be queried using the Operations API.
+func (c *DatabaseAdminClient) GetDatabaseDdl(ctx context.Context, req *databasepb.GetDatabaseDdlRequest, opts ...gax.CallOption) (*databasepb.GetDatabaseDdlResponse, error) {
+	return c.internalClient.GetDatabaseDdl(ctx, req, opts...)
+}
+
+// SetIamPolicy sets the access control policy on a database or backup resource.
+// Replaces any existing policy.
+//
+// Authorization requires spanner.databases.setIamPolicy
+// permission on resource.
+// For backups, authorization requires spanner.backups.setIamPolicy
+// permission on resource.
+func (c *DatabaseAdminClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	return c.internalClient.SetIamPolicy(ctx, req, opts...)
+}
+
+// GetIamPolicy gets the access control policy for a database or backup resource.
+// Returns an empty policy if a database or backup exists but does not have a
+// policy set.
+//
+// Authorization requires spanner.databases.getIamPolicy permission on
+// resource.
+// For backups, authorization requires spanner.backups.getIamPolicy
+// permission on resource.
+func (c *DatabaseAdminClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	return c.internalClient.GetIamPolicy(ctx, req, opts...)
+}
+
+// TestIamPermissions returns permissions that the caller has on the specified database or backup
+// resource.
+//
+// Attempting this RPC on a non-existent Cloud Spanner database will
+// result in a NOT_FOUND error if the user has
+// spanner.databases.list permission on the containing Cloud
+// Spanner instance. Otherwise returns an empty set of permissions.
+// Calling this method on a backup that does not exist will
+// result in a NOT_FOUND error if the user has
+// spanner.backups.list permission on the containing instance.
+func (c *DatabaseAdminClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	return c.internalClient.TestIamPermissions(ctx, req, opts...)
+}
+
+// CreateBackup starts creating a new Cloud Spanner Backup.
+// The returned backup [long-running operation][google.longrunning.Operation]
+// will have a name of the format
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>
+// and can be used to track creation of the backup. The
+// metadata field type is
+// CreateBackupMetadata.
+// The response field type is
+// Backup, if successful.
+// Cancelling the returned operation will stop the creation and delete the
+// backup. There can be only one pending backup creation per database. Backup
+// creation of different databases can run concurrently.
+func (c *DatabaseAdminClient) CreateBackup(ctx context.Context, req *databasepb.CreateBackupRequest, opts ...gax.CallOption) (*CreateBackupOperation, error) {
+	return c.internalClient.CreateBackup(ctx, req, opts...)
+}
+
+// CreateBackupOperation returns a new CreateBackupOperation from a given name.
+// The name must be that of a previously created CreateBackupOperation, possibly from a different process.
+func (c *DatabaseAdminClient) CreateBackupOperation(name string) *CreateBackupOperation {
+	return c.internalClient.CreateBackupOperation(name)
+}
+
+// CopyBackup starts copying a Cloud Spanner Backup.
+// The returned backup [long-running operation][google.longrunning.Operation]
+// will have a name of the format
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>
+// and can be used to track copying of the backup. The operation is associated
+// with the destination backup.
+// The metadata field type is
+// CopyBackupMetadata.
+// The response field type is
+// Backup, if successful.
+// Cancelling the returned operation will stop the copying and delete the
+// destination backup. Concurrent CopyBackup requests can run on the same
+// source backup.
+func (c *DatabaseAdminClient) CopyBackup(ctx context.Context, req *databasepb.CopyBackupRequest, opts ...gax.CallOption) (*CopyBackupOperation, error) {
+	return c.internalClient.CopyBackup(ctx, req, opts...)
+}
+
+// CopyBackupOperation returns a new CopyBackupOperation from a given name.
+// The name must be that of a previously created CopyBackupOperation, possibly from a different process.
+func (c *DatabaseAdminClient) CopyBackupOperation(name string) *CopyBackupOperation {
+	return c.internalClient.CopyBackupOperation(name)
+}
+
+// GetBackup gets metadata on a pending or completed
+// Backup.
+func (c *DatabaseAdminClient) GetBackup(ctx context.Context, req *databasepb.GetBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	return c.internalClient.GetBackup(ctx, req, opts...)
+}
+
+// UpdateBackup updates a pending or completed
+// Backup.
+func (c *DatabaseAdminClient) UpdateBackup(ctx context.Context, req *databasepb.UpdateBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	return c.internalClient.UpdateBackup(ctx, req, opts...)
+}
+
+// DeleteBackup deletes a pending or completed
+// Backup.
+func (c *DatabaseAdminClient) DeleteBackup(ctx context.Context, req *databasepb.DeleteBackupRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteBackup(ctx, req, opts...)
+}
+
+// ListBackups lists completed and pending backups.
+// Backups returned are ordered by create_time in descending order,
+// starting from the most recent create_time.
+func (c *DatabaseAdminClient) ListBackups(ctx context.Context, req *databasepb.ListBackupsRequest, opts ...gax.CallOption) *BackupIterator {
+	return c.internalClient.ListBackups(ctx, req, opts...)
+}
+
+// RestoreDatabase create a new database by restoring from a completed backup. The new
+// database must be in the same project and in an instance with the same
+// instance configuration as the instance containing
+// the backup. The returned database [long-running
+// operation][google.longrunning.Operation] has a name of the format
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>,
+// and can be used to track the progress of the operation, and to cancel it.
+// The metadata field type is
+// RestoreDatabaseMetadata.
+// The response type
+// is Database, if
+// successful. Cancelling the returned operation will stop the restore and
+// delete the database.
+// There can be only one database being restored into an instance at a time.
+// Once the restore operation completes, a new restore operation can be
+// initiated, without waiting for the optimize operation associated with the
+// first restore to complete.
+func (c *DatabaseAdminClient) RestoreDatabase(ctx context.Context, req *databasepb.RestoreDatabaseRequest, opts ...gax.CallOption) (*RestoreDatabaseOperation, error) {
+	return c.internalClient.RestoreDatabase(ctx, req, opts...)
+}
+
+// RestoreDatabaseOperation returns a new RestoreDatabaseOperation from a given name.
+// The name must be that of a previously created RestoreDatabaseOperation, possibly from a different process.
+func (c *DatabaseAdminClient) RestoreDatabaseOperation(name string) *RestoreDatabaseOperation {
+	return c.internalClient.RestoreDatabaseOperation(name)
+}
+
+// ListDatabaseOperations lists database [longrunning-operations][google.longrunning.Operation].
+// A database operation has a name of the form
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations.
+func (c *DatabaseAdminClient) ListDatabaseOperations(ctx context.Context, req *databasepb.ListDatabaseOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	return c.internalClient.ListDatabaseOperations(ctx, req, opts...)
+}
+
+// ListBackupOperations lists the backup [long-running operations][google.longrunning.Operation] in
+// the given instance. A backup operation has a name of the form
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.progress.start_time in descending order starting
+// from the most recently started operation.
+func (c *DatabaseAdminClient) ListBackupOperations(ctx context.Context, req *databasepb.ListBackupOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	return c.internalClient.ListBackupOperations(ctx, req, opts...)
+}
+
+// ListDatabaseRoles lists Cloud Spanner database roles.
+func (c *DatabaseAdminClient) ListDatabaseRoles(ctx context.Context, req *databasepb.ListDatabaseRolesRequest, opts ...gax.CallOption) *DatabaseRoleIterator {
+	return c.internalClient.ListDatabaseRoles(ctx, req, opts...)
+}
+
+// CreateBackupSchedule creates a new backup schedule.
+func (c *DatabaseAdminClient) CreateBackupSchedule(ctx context.Context, req *databasepb.CreateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	return c.internalClient.CreateBackupSchedule(ctx, req, opts...)
+}
+
+// GetBackupSchedule gets backup schedule for the input schedule name.
+func (c *DatabaseAdminClient) GetBackupSchedule(ctx context.Context, req *databasepb.GetBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	return c.internalClient.GetBackupSchedule(ctx, req, opts...)
+}
+
+// UpdateBackupSchedule updates a backup schedule.
+func (c *DatabaseAdminClient) UpdateBackupSchedule(ctx context.Context, req *databasepb.UpdateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	return c.internalClient.UpdateBackupSchedule(ctx, req, opts...)
+}
+
+// DeleteBackupSchedule deletes a backup schedule.
+func (c *DatabaseAdminClient) DeleteBackupSchedule(ctx context.Context, req *databasepb.DeleteBackupScheduleRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteBackupSchedule(ctx, req, opts...)
+}
+
+// ListBackupSchedules lists all the backup schedules for the database.
+func (c *DatabaseAdminClient) ListBackupSchedules(ctx context.Context, req *databasepb.ListBackupSchedulesRequest, opts ...gax.CallOption) *BackupScheduleIterator {
+	return c.internalClient.ListBackupSchedules(ctx, req, opts...)
+}
+
+// CancelOperation is a utility method from google.longrunning.Operations.
+func (c *DatabaseAdminClient) CancelOperation(ctx context.Context, req *longrunningpb.CancelOperationRequest, opts ...gax.CallOption) error {
+	return c.internalClient.CancelOperation(ctx, req, opts...)
+}
+
+// DeleteOperation is a utility method from google.longrunning.Operations.
+func (c *DatabaseAdminClient) DeleteOperation(ctx context.Context, req *longrunningpb.DeleteOperationRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteOperation(ctx, req, opts...)
+}
+
+// GetOperation is a utility method from google.longrunning.Operations.
+func (c *DatabaseAdminClient) GetOperation(ctx context.Context, req *longrunningpb.GetOperationRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
+	return c.internalClient.GetOperation(ctx, req, opts...)
+}
+
+// ListOperations is a utility method from google.longrunning.Operations.
+func (c *DatabaseAdminClient) ListOperations(ctx context.Context, req *longrunningpb.ListOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	return c.internalClient.ListOperations(ctx, req, opts...)
+}
+
+// databaseAdminGRPCClient is a client for interacting with Cloud Spanner API over gRPC transport.
+//
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+type databaseAdminGRPCClient struct {
+	// Connection pool of gRPC connections to the service.
+	connPool gtransport.ConnPool
+
+	// Points back to the CallOptions field of the containing DatabaseAdminClient
+	CallOptions **DatabaseAdminCallOptions
+
+	// The gRPC API client.
+	databaseAdminClient databasepb.DatabaseAdminClient
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient **lroauto.OperationsClient
+
+	operationsClient longrunningpb.OperationsClient
+
+	// The x-goog-* metadata to be sent with each request.
+	xGoogHeaders []string
+}
+
+// NewDatabaseAdminClient creates a new database admin client based on gRPC.
+// The returned client must be Closed when it is done being used to clean up its underlying connections.
+//
+// # Cloud Spanner Database Admin API
+//
+// The Cloud Spanner Database Admin API can be used to:
+//
+//	create, drop, and list databases
+//
+//	update the schema of pre-existing databases
+//
+//	create, delete, copy and list backups for a database
+//
+//	restore a database from an existing backup
+func NewDatabaseAdminClient(ctx context.Context, opts ...option.ClientOption) (*DatabaseAdminClient, error) {
+	clientOpts := defaultDatabaseAdminGRPCClientOptions()
+	if newDatabaseAdminClientHook != nil {
+		hookOpts, err := newDatabaseAdminClientHook(ctx, clientHookParams{})
+		if err != nil {
+			return nil, err
+		}
+		clientOpts = append(clientOpts, hookOpts...)
+	}
+
+	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
+	if err != nil {
+		return nil, err
+	}
+	client := DatabaseAdminClient{CallOptions: defaultDatabaseAdminCallOptions()}
+
+	c := &databaseAdminGRPCClient{
+		connPool:            connPool,
+		databaseAdminClient: databasepb.NewDatabaseAdminClient(connPool),
+		CallOptions:         &client.CallOptions,
+		operationsClient:    longrunningpb.NewOperationsClient(connPool),
+	}
+	c.setGoogleClientInfo()
+
+	client.internalClient = c
+
+	client.LROClient, err = lroauto.NewOperationsClient(ctx, gtransport.WithConnPool(connPool))
+	if err != nil {
+		// This error "should not happen", since we are just reusing old connection pool
+		// and never actually need to dial.
+		// If this does happen, we could leak connp. However, we cannot close conn:
+		// If the user invoked the constructor with option.WithGRPCConn,
+		// we would close a connection that's still in use.
+		// TODO: investigate error conditions.
+		return nil, err
+	}
+	c.LROClient = &client.LROClient
+	return &client, nil
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: Connections are now pooled so this method does not always
+// return the same resource.
+func (c *databaseAdminGRPCClient) Connection() *grpc.ClientConn {
+	return c.connPool.Conn()
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *databaseAdminGRPCClient) setGoogleClientInfo(keyval ...string) {
+	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
+	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
+	c.xGoogHeaders = []string{
+		"x-goog-api-client", gax.XGoogHeader(kv...),
+	}
+}
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *databaseAdminGRPCClient) Close() error {
+	return c.connPool.Close()
+}
+
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+type databaseAdminRESTClient struct {
+	// The http endpoint to connect to.
+	endpoint string
+
+	// The http client.
+	httpClient *http.Client
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient **lroauto.OperationsClient
+
+	// The x-goog-* headers to be sent with each request.
+	xGoogHeaders []string
+
+	// Points back to the CallOptions field of the containing DatabaseAdminClient
+	CallOptions **DatabaseAdminCallOptions
+}
+
+// NewDatabaseAdminRESTClient creates a new database admin rest client.
+//
+// # Cloud Spanner Database Admin API
+//
+// The Cloud Spanner Database Admin API can be used to:
+//
+//	create, drop, and list databases
+//
+//	update the schema of pre-existing databases
+//
+//	create, delete, copy and list backups for a database
+//
+//	restore a database from an existing backup
+func NewDatabaseAdminRESTClient(ctx context.Context, opts ...option.ClientOption) (*DatabaseAdminClient, error) {
+	clientOpts := append(defaultDatabaseAdminRESTClientOptions(), opts...)
+	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
+	if err != nil {
+		return nil, err
+	}
+
+	callOpts := defaultDatabaseAdminRESTCallOptions()
+	c := &databaseAdminRESTClient{
+		endpoint:    endpoint,
+		httpClient:  httpClient,
+		CallOptions: &callOpts,
+	}
+	c.setGoogleClientInfo()
+
+	lroOpts := []option.ClientOption{
+		option.WithHTTPClient(httpClient),
+		option.WithEndpoint(endpoint),
+	}
+	opClient, err := lroauto.NewOperationsRESTClient(ctx, lroOpts...)
+	if err != nil {
+		return nil, err
+	}
+	c.LROClient = &opClient
+
+	return &DatabaseAdminClient{internalClient: c, CallOptions: callOpts}, nil
+}
+
+func defaultDatabaseAdminRESTClientOptions() []option.ClientOption {
+	return []option.ClientOption{
+		internaloption.WithDefaultEndpoint("https://spanner.googleapis.com"),
+		internaloption.WithDefaultEndpointTemplate("https://spanner.UNIVERSE_DOMAIN"),
+		internaloption.WithDefaultMTLSEndpoint("https://spanner.mtls.googleapis.com"),
+		internaloption.WithDefaultUniverseDomain("googleapis.com"),
+		internaloption.WithDefaultAudience("https://spanner.googleapis.com/"),
+		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
+	}
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *databaseAdminRESTClient) setGoogleClientInfo(keyval ...string) {
+	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
+	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
+	c.xGoogHeaders = []string{
+		"x-goog-api-client", gax.XGoogHeader(kv...),
+	}
+}
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *databaseAdminRESTClient) Close() error {
+	// Replace httpClient with nil to force cleanup.
+	c.httpClient = nil
+	return nil
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: This method always returns nil.
+func (c *databaseAdminRESTClient) Connection() *grpc.ClientConn {
+	return nil
+}
+func (c *databaseAdminGRPCClient) ListDatabases(ctx context.Context, req *databasepb.ListDatabasesRequest, opts ...gax.CallOption) *DatabaseIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListDatabases[0:len((*c.CallOptions).ListDatabases):len((*c.CallOptions).ListDatabases)], opts...)
+	it := &DatabaseIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabasesRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.Database, string, error) {
+		resp := &databasepb.ListDatabasesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListDatabases(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetDatabases(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) CreateDatabase(ctx context.Context, req *databasepb.CreateDatabaseRequest, opts ...gax.CallOption) (*CreateDatabaseOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateDatabase[0:len((*c.CallOptions).CreateDatabase):len((*c.CallOptions).CreateDatabase)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.CreateDatabase(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) GetDatabase(ctx context.Context, req *databasepb.GetDatabaseRequest, opts ...gax.CallOption) (*databasepb.Database, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetDatabase[0:len((*c.CallOptions).GetDatabase):len((*c.CallOptions).GetDatabase)], opts...)
+	var resp *databasepb.Database
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.GetDatabase(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) UpdateDatabase(ctx context.Context, req *databasepb.UpdateDatabaseRequest, opts ...gax.CallOption) (*UpdateDatabaseOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database.name", url.QueryEscape(req.GetDatabase().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateDatabase[0:len((*c.CallOptions).UpdateDatabase):len((*c.CallOptions).UpdateDatabase)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.UpdateDatabase(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) UpdateDatabaseDdl(ctx context.Context, req *databasepb.UpdateDatabaseDdlRequest, opts ...gax.CallOption) (*UpdateDatabaseDdlOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateDatabaseDdl[0:len((*c.CallOptions).UpdateDatabaseDdl):len((*c.CallOptions).UpdateDatabaseDdl)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.UpdateDatabaseDdl(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateDatabaseDdlOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) DropDatabase(ctx context.Context, req *databasepb.DropDatabaseRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DropDatabase[0:len((*c.CallOptions).DropDatabase):len((*c.CallOptions).DropDatabase)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.databaseAdminClient.DropDatabase(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *databaseAdminGRPCClient) GetDatabaseDdl(ctx context.Context, req *databasepb.GetDatabaseDdlRequest, opts ...gax.CallOption) (*databasepb.GetDatabaseDdlResponse, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetDatabaseDdl[0:len((*c.CallOptions).GetDatabaseDdl):len((*c.CallOptions).GetDatabaseDdl)], opts...)
+	var resp *databasepb.GetDatabaseDdlResponse
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.GetDatabaseDdl(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.SetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.GetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
+	var resp *iampb.TestIamPermissionsResponse
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.TestIamPermissions(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) CreateBackup(ctx context.Context, req *databasepb.CreateBackupRequest, opts ...gax.CallOption) (*CreateBackupOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateBackup[0:len((*c.CallOptions).CreateBackup):len((*c.CallOptions).CreateBackup)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.CreateBackup(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateBackupOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) CopyBackup(ctx context.Context, req *databasepb.CopyBackupRequest, opts ...gax.CallOption) (*CopyBackupOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CopyBackup[0:len((*c.CallOptions).CopyBackup):len((*c.CallOptions).CopyBackup)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.CopyBackup(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CopyBackupOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) GetBackup(ctx context.Context, req *databasepb.GetBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetBackup[0:len((*c.CallOptions).GetBackup):len((*c.CallOptions).GetBackup)], opts...)
+	var resp *databasepb.Backup
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.GetBackup(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) UpdateBackup(ctx context.Context, req *databasepb.UpdateBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "backup.name", url.QueryEscape(req.GetBackup().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateBackup[0:len((*c.CallOptions).UpdateBackup):len((*c.CallOptions).UpdateBackup)], opts...)
+	var resp *databasepb.Backup
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.UpdateBackup(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) DeleteBackup(ctx context.Context, req *databasepb.DeleteBackupRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteBackup[0:len((*c.CallOptions).DeleteBackup):len((*c.CallOptions).DeleteBackup)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.databaseAdminClient.DeleteBackup(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *databaseAdminGRPCClient) ListBackups(ctx context.Context, req *databasepb.ListBackupsRequest, opts ...gax.CallOption) *BackupIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListBackups[0:len((*c.CallOptions).ListBackups):len((*c.CallOptions).ListBackups)], opts...)
+	it := &BackupIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.Backup, string, error) {
+		resp := &databasepb.ListBackupsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListBackups(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetBackups(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) RestoreDatabase(ctx context.Context, req *databasepb.RestoreDatabaseRequest, opts ...gax.CallOption) (*RestoreDatabaseOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).RestoreDatabase[0:len((*c.CallOptions).RestoreDatabase):len((*c.CallOptions).RestoreDatabase)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.RestoreDatabase(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &RestoreDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *databaseAdminGRPCClient) ListDatabaseOperations(ctx context.Context, req *databasepb.ListDatabaseOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListDatabaseOperations[0:len((*c.CallOptions).ListDatabaseOperations):len((*c.CallOptions).ListDatabaseOperations)], opts...)
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabaseOperationsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &databasepb.ListDatabaseOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListDatabaseOperations(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) ListBackupOperations(ctx context.Context, req *databasepb.ListBackupOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListBackupOperations[0:len((*c.CallOptions).ListBackupOperations):len((*c.CallOptions).ListBackupOperations)], opts...)
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupOperationsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &databasepb.ListBackupOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListBackupOperations(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) ListDatabaseRoles(ctx context.Context, req *databasepb.ListDatabaseRolesRequest, opts ...gax.CallOption) *DatabaseRoleIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListDatabaseRoles[0:len((*c.CallOptions).ListDatabaseRoles):len((*c.CallOptions).ListDatabaseRoles)], opts...)
+	it := &DatabaseRoleIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabaseRolesRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.DatabaseRole, string, error) {
+		resp := &databasepb.ListDatabaseRolesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListDatabaseRoles(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetDatabaseRoles(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) CreateBackupSchedule(ctx context.Context, req *databasepb.CreateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateBackupSchedule[0:len((*c.CallOptions).CreateBackupSchedule):len((*c.CallOptions).CreateBackupSchedule)], opts...)
+	var resp *databasepb.BackupSchedule
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.CreateBackupSchedule(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) GetBackupSchedule(ctx context.Context, req *databasepb.GetBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetBackupSchedule[0:len((*c.CallOptions).GetBackupSchedule):len((*c.CallOptions).GetBackupSchedule)], opts...)
+	var resp *databasepb.BackupSchedule
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.GetBackupSchedule(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) UpdateBackupSchedule(ctx context.Context, req *databasepb.UpdateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "backup_schedule.name", url.QueryEscape(req.GetBackupSchedule().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateBackupSchedule[0:len((*c.CallOptions).UpdateBackupSchedule):len((*c.CallOptions).UpdateBackupSchedule)], opts...)
+	var resp *databasepb.BackupSchedule
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.databaseAdminClient.UpdateBackupSchedule(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) DeleteBackupSchedule(ctx context.Context, req *databasepb.DeleteBackupScheduleRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteBackupSchedule[0:len((*c.CallOptions).DeleteBackupSchedule):len((*c.CallOptions).DeleteBackupSchedule)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.databaseAdminClient.DeleteBackupSchedule(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *databaseAdminGRPCClient) ListBackupSchedules(ctx context.Context, req *databasepb.ListBackupSchedulesRequest, opts ...gax.CallOption) *BackupScheduleIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListBackupSchedules[0:len((*c.CallOptions).ListBackupSchedules):len((*c.CallOptions).ListBackupSchedules)], opts...)
+	it := &BackupScheduleIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupSchedulesRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.BackupSchedule, string, error) {
+		resp := &databasepb.ListBackupSchedulesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.databaseAdminClient.ListBackupSchedules(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetBackupSchedules(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *databaseAdminGRPCClient) CancelOperation(ctx context.Context, req *longrunningpb.CancelOperationRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CancelOperation[0:len((*c.CallOptions).CancelOperation):len((*c.CallOptions).CancelOperation)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.operationsClient.CancelOperation(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *databaseAdminGRPCClient) DeleteOperation(ctx context.Context, req *longrunningpb.DeleteOperationRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteOperation[0:len((*c.CallOptions).DeleteOperation):len((*c.CallOptions).DeleteOperation)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.operationsClient.DeleteOperation(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *databaseAdminGRPCClient) GetOperation(ctx context.Context, req *longrunningpb.GetOperationRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetOperation[0:len((*c.CallOptions).GetOperation):len((*c.CallOptions).GetOperation)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.operationsClient.GetOperation(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *databaseAdminGRPCClient) ListOperations(ctx context.Context, req *longrunningpb.ListOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListOperations[0:len((*c.CallOptions).ListOperations):len((*c.CallOptions).ListOperations)], opts...)
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*longrunningpb.ListOperationsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &longrunningpb.ListOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.operationsClient.ListOperations(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// ListDatabases lists Cloud Spanner databases.
+func (c *databaseAdminRESTClient) ListDatabases(ctx context.Context, req *databasepb.ListDatabasesRequest, opts ...gax.CallOption) *DatabaseIterator {
+	it := &DatabaseIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabasesRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.Database, string, error) {
+		resp := &databasepb.ListDatabasesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/databases", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetDatabases(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// CreateDatabase creates a new Cloud Spanner database and starts to prepare it for serving.
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <database_name>/operations/<operation_id> and
+// can be used to track preparation of the database. The
+// metadata field type is
+// CreateDatabaseMetadata.
+// The response field type is
+// Database, if successful.
+func (c *databaseAdminRESTClient) CreateDatabase(ctx context.Context, req *databasepb.CreateDatabaseRequest, opts ...gax.CallOption) (*CreateDatabaseOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/databases", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CreateDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// GetDatabase gets the state of a Cloud Spanner database.
+func (c *databaseAdminRESTClient) GetDatabase(ctx context.Context, req *databasepb.GetDatabaseRequest, opts ...gax.CallOption) (*databasepb.Database, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetDatabase[0:len((*c.CallOptions).GetDatabase):len((*c.CallOptions).GetDatabase)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.Database{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// UpdateDatabase updates a Cloud Spanner database. The returned
+// [long-running operation][google.longrunning.Operation] can be used to track
+// the progress of updating the database. If the named database does not
+// exist, returns NOT_FOUND.
+//
+// While the operation is pending:
+//
+//	The database’s
+//	reconciling
+//	field is set to true.
+//
+//	Cancelling the operation is best-effort. If the cancellation succeeds,
+//	the operation metadata’s
+//	cancel_time
+//	is set, the updates are reverted, and the operation terminates with a
+//	CANCELLED status.
+//
+//	New UpdateDatabase requests will return a FAILED_PRECONDITION error
+//	until the pending operation is done (returns successfully or with
+//	error).
+//
+//	Reading the database via the API continues to give the pre-request
+//	values.
+//
+// Upon completion of the returned operation:
+//
+//	The new values are in effect and readable via the API.
+//
+//	The database’s
+//	reconciling
+//	field becomes false.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>
+// and can be used to track the database modification. The
+// metadata field type is
+// UpdateDatabaseMetadata.
+// The response field type is
+// Database, if successful.
+func (c *databaseAdminRESTClient) UpdateDatabase(ctx context.Context, req *databasepb.UpdateDatabaseRequest, opts ...gax.CallOption) (*UpdateDatabaseOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	body := req.GetDatabase()
+	jsonReq, err := m.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetDatabase().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetUpdateMask() != nil {
+		updateMask, err := protojson.Marshal(req.GetUpdateMask())
+		if err != nil {
+			return nil, err
+		}
+		params.Add("updateMask", string(updateMask[1:len(updateMask)-1]))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database.name", url.QueryEscape(req.GetDatabase().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &UpdateDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// UpdateDatabaseDdl updates the schema of a Cloud Spanner database by
+// creating/altering/dropping tables, columns, indexes, etc. The returned
+// [long-running operation][google.longrunning.Operation] will have a name of
+// the format <database_name>/operations/<operation_id> and can be used to
+// track execution of the schema change(s). The
+// metadata field type is
+// UpdateDatabaseDdlMetadata.
+// The operation has no response.
+func (c *databaseAdminRESTClient) UpdateDatabaseDdl(ctx context.Context, req *databasepb.UpdateDatabaseDdlRequest, opts ...gax.CallOption) (*UpdateDatabaseDdlOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/ddl", req.GetDatabase())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &UpdateDatabaseDdlOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// DropDatabase drops (aka deletes) a Cloud Spanner database.
+// Completed backups for the database will be retained according to their
+// expire_time.
+// Note: Cloud Spanner might continue to accept requests for a few seconds
+// after the database has been deleted.
+func (c *databaseAdminRESTClient) DropDatabase(ctx context.Context, req *databasepb.DropDatabaseRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetDatabase())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// GetDatabaseDdl returns the schema of a Cloud Spanner database as a list of formatted
+// DDL statements. This method does not show pending schema updates, those may
+// be queried using the Operations API.
+func (c *databaseAdminRESTClient) GetDatabaseDdl(ctx context.Context, req *databasepb.GetDatabaseDdlRequest, opts ...gax.CallOption) (*databasepb.GetDatabaseDdlResponse, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/ddl", req.GetDatabase())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "database", url.QueryEscape(req.GetDatabase()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetDatabaseDdl[0:len((*c.CallOptions).GetDatabaseDdl):len((*c.CallOptions).GetDatabaseDdl)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.GetDatabaseDdlResponse{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// SetIamPolicy sets the access control policy on a database or backup resource.
+// Replaces any existing policy.
+//
+// Authorization requires spanner.databases.setIamPolicy
+// permission on resource.
+// For backups, authorization requires spanner.backups.setIamPolicy
+// permission on resource.
+func (c *databaseAdminRESTClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:setIamPolicy", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.Policy{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// GetIamPolicy gets the access control policy for a database or backup resource.
+// Returns an empty policy if a database or backup exists but does not have a
+// policy set.
+//
+// Authorization requires spanner.databases.getIamPolicy permission on
+// resource.
+// For backups, authorization requires spanner.backups.getIamPolicy
+// permission on resource.
+func (c *databaseAdminRESTClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:getIamPolicy", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.Policy{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// TestIamPermissions returns permissions that the caller has on the specified database or backup
+// resource.
+//
+// Attempting this RPC on a non-existent Cloud Spanner database will
+// result in a NOT_FOUND error if the user has
+// spanner.databases.list permission on the containing Cloud
+// Spanner instance. Otherwise returns an empty set of permissions.
+// Calling this method on a backup that does not exist will
+// result in a NOT_FOUND error if the user has
+// spanner.backups.list permission on the containing instance.
+func (c *databaseAdminRESTClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:testIamPermissions", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.TestIamPermissionsResponse{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// CreateBackup starts creating a new Cloud Spanner Backup.
+// The returned backup [long-running operation][google.longrunning.Operation]
+// will have a name of the format
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>
+// and can be used to track creation of the backup. The
+// metadata field type is
+// CreateBackupMetadata.
+// The response field type is
+// Backup, if successful.
+// Cancelling the returned operation will stop the creation and delete the
+// backup. There can be only one pending backup creation per database. Backup
+// creation of different databases can run concurrently.
+func (c *databaseAdminRESTClient) CreateBackup(ctx context.Context, req *databasepb.CreateBackupRequest, opts ...gax.CallOption) (*CreateBackupOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	body := req.GetBackup()
+	jsonReq, err := m.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/backups", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	params.Add("backupId", fmt.Sprintf("%v", req.GetBackupId()))
+	params.Add("encryptionConfig.encryptionType", fmt.Sprintf("%v", req.GetEncryptionConfig().GetEncryptionType()))
+	if req.GetEncryptionConfig().GetKmsKeyName() != "" {
+		params.Add("encryptionConfig.kmsKeyName", fmt.Sprintf("%v", req.GetEncryptionConfig().GetKmsKeyName()))
+	}
+	if items := req.GetEncryptionConfig().GetKmsKeyNames(); len(items) > 0 {
+		for _, item := range items {
+			params.Add("encryptionConfig.kmsKeyNames", fmt.Sprintf("%v", item))
+		}
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CreateBackupOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// CopyBackup starts copying a Cloud Spanner Backup.
+// The returned backup [long-running operation][google.longrunning.Operation]
+// will have a name of the format
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>
+// and can be used to track copying of the backup. The operation is associated
+// with the destination backup.
+// The metadata field type is
+// CopyBackupMetadata.
+// The response field type is
+// Backup, if successful.
+// Cancelling the returned operation will stop the copying and delete the
+// destination backup. Concurrent CopyBackup requests can run on the same
+// source backup.
+func (c *databaseAdminRESTClient) CopyBackup(ctx context.Context, req *databasepb.CopyBackupRequest, opts ...gax.CallOption) (*CopyBackupOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/backups:copy", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CopyBackupOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// GetBackup gets metadata on a pending or completed
+// Backup.
+func (c *databaseAdminRESTClient) GetBackup(ctx context.Context, req *databasepb.GetBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetBackup[0:len((*c.CallOptions).GetBackup):len((*c.CallOptions).GetBackup)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.Backup{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// UpdateBackup updates a pending or completed
+// Backup.
+func (c *databaseAdminRESTClient) UpdateBackup(ctx context.Context, req *databasepb.UpdateBackupRequest, opts ...gax.CallOption) (*databasepb.Backup, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	body := req.GetBackup()
+	jsonReq, err := m.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetBackup().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetUpdateMask() != nil {
+		updateMask, err := protojson.Marshal(req.GetUpdateMask())
+		if err != nil {
+			return nil, err
+		}
+		params.Add("updateMask", string(updateMask[1:len(updateMask)-1]))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "backup.name", url.QueryEscape(req.GetBackup().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateBackup[0:len((*c.CallOptions).UpdateBackup):len((*c.CallOptions).UpdateBackup)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.Backup{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// DeleteBackup deletes a pending or completed
+// Backup.
+func (c *databaseAdminRESTClient) DeleteBackup(ctx context.Context, req *databasepb.DeleteBackupRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// ListBackups lists completed and pending backups.
+// Backups returned are ordered by create_time in descending order,
+// starting from the most recent create_time.
+func (c *databaseAdminRESTClient) ListBackups(ctx context.Context, req *databasepb.ListBackupsRequest, opts ...gax.CallOption) *BackupIterator {
+	it := &BackupIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.Backup, string, error) {
+		resp := &databasepb.ListBackupsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/backups", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetBackups(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// RestoreDatabase create a new database by restoring from a completed backup. The new
+// database must be in the same project and in an instance with the same
+// instance configuration as the instance containing
+// the backup. The returned database [long-running
+// operation][google.longrunning.Operation] has a name of the format
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>,
+// and can be used to track the progress of the operation, and to cancel it.
+// The metadata field type is
+// RestoreDatabaseMetadata.
+// The response type
+// is Database, if
+// successful. Cancelling the returned operation will stop the restore and
+// delete the database.
+// There can be only one database being restored into an instance at a time.
+// Once the restore operation completes, a new restore operation can be
+// initiated, without waiting for the optimize operation associated with the
+// first restore to complete.
+func (c *databaseAdminRESTClient) RestoreDatabase(ctx context.Context, req *databasepb.RestoreDatabaseRequest, opts ...gax.CallOption) (*RestoreDatabaseOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/databases:restore", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &RestoreDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// ListDatabaseOperations lists database [longrunning-operations][google.longrunning.Operation].
+// A database operation has a name of the form
+// projects/<project>/instances/<instance>/databases/<database>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations.
+func (c *databaseAdminRESTClient) ListDatabaseOperations(ctx context.Context, req *databasepb.ListDatabaseOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabaseOperationsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &databasepb.ListDatabaseOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/databaseOperations", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// ListBackupOperations lists the backup [long-running operations][google.longrunning.Operation] in
+// the given instance. A backup operation has a name of the form
+// projects/<project>/instances/<instance>/backups/<backup>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.progress.start_time in descending order starting
+// from the most recently started operation.
+func (c *databaseAdminRESTClient) ListBackupOperations(ctx context.Context, req *databasepb.ListBackupOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupOperationsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &databasepb.ListBackupOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/backupOperations", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// ListDatabaseRoles lists Cloud Spanner database roles.
+func (c *databaseAdminRESTClient) ListDatabaseRoles(ctx context.Context, req *databasepb.ListDatabaseRolesRequest, opts ...gax.CallOption) *DatabaseRoleIterator {
+	it := &DatabaseRoleIterator{}
+	req = proto.Clone(req).(*databasepb.ListDatabaseRolesRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.DatabaseRole, string, error) {
+		resp := &databasepb.ListDatabaseRolesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/databaseRoles", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetDatabaseRoles(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// CreateBackupSchedule creates a new backup schedule.
+func (c *databaseAdminRESTClient) CreateBackupSchedule(ctx context.Context, req *databasepb.CreateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	body := req.GetBackupSchedule()
+	jsonReq, err := m.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/backupSchedules", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	params.Add("backupScheduleId", fmt.Sprintf("%v", req.GetBackupScheduleId()))
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).CreateBackupSchedule[0:len((*c.CallOptions).CreateBackupSchedule):len((*c.CallOptions).CreateBackupSchedule)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.BackupSchedule{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// GetBackupSchedule gets backup schedule for the input schedule name.
+func (c *databaseAdminRESTClient) GetBackupSchedule(ctx context.Context, req *databasepb.GetBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetBackupSchedule[0:len((*c.CallOptions).GetBackupSchedule):len((*c.CallOptions).GetBackupSchedule)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.BackupSchedule{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// UpdateBackupSchedule updates a backup schedule.
+func (c *databaseAdminRESTClient) UpdateBackupSchedule(ctx context.Context, req *databasepb.UpdateBackupScheduleRequest, opts ...gax.CallOption) (*databasepb.BackupSchedule, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	body := req.GetBackupSchedule()
+	jsonReq, err := m.Marshal(body)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetBackupSchedule().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetUpdateMask() != nil {
+		updateMask, err := protojson.Marshal(req.GetUpdateMask())
+		if err != nil {
+			return nil, err
+		}
+		params.Add("updateMask", string(updateMask[1:len(updateMask)-1]))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "backup_schedule.name", url.QueryEscape(req.GetBackupSchedule().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateBackupSchedule[0:len((*c.CallOptions).UpdateBackupSchedule):len((*c.CallOptions).UpdateBackupSchedule)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &databasepb.BackupSchedule{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// DeleteBackupSchedule deletes a backup schedule.
+func (c *databaseAdminRESTClient) DeleteBackupSchedule(ctx context.Context, req *databasepb.DeleteBackupScheduleRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// ListBackupSchedules lists all the backup schedules for the database.
+func (c *databaseAdminRESTClient) ListBackupSchedules(ctx context.Context, req *databasepb.ListBackupSchedulesRequest, opts ...gax.CallOption) *BackupScheduleIterator {
+	it := &BackupScheduleIterator{}
+	req = proto.Clone(req).(*databasepb.ListBackupSchedulesRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*databasepb.BackupSchedule, string, error) {
+		resp := &databasepb.ListBackupSchedulesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/backupSchedules", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetBackupSchedules(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// CancelOperation is a utility method from google.longrunning.Operations.
+func (c *databaseAdminRESTClient) CancelOperation(ctx context.Context, req *longrunningpb.CancelOperationRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:cancel", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// DeleteOperation is a utility method from google.longrunning.Operations.
+func (c *databaseAdminRESTClient) DeleteOperation(ctx context.Context, req *longrunningpb.DeleteOperationRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// GetOperation is a utility method from google.longrunning.Operations.
+func (c *databaseAdminRESTClient) GetOperation(ctx context.Context, req *longrunningpb.GetOperationRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetOperation[0:len((*c.CallOptions).GetOperation):len((*c.CallOptions).GetOperation)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// ListOperations is a utility method from google.longrunning.Operations.
+func (c *databaseAdminRESTClient) ListOperations(ctx context.Context, req *longrunningpb.ListOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*longrunningpb.ListOperationsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &longrunningpb.ListOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// CopyBackupOperation returns a new CopyBackupOperation from a given name.
+// The name must be that of a previously created CopyBackupOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) CopyBackupOperation(name string) *CopyBackupOperation {
+	return &CopyBackupOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CopyBackupOperation returns a new CopyBackupOperation from a given name.
+// The name must be that of a previously created CopyBackupOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) CopyBackupOperation(name string) *CopyBackupOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CopyBackupOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// CreateBackupOperation returns a new CreateBackupOperation from a given name.
+// The name must be that of a previously created CreateBackupOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) CreateBackupOperation(name string) *CreateBackupOperation {
+	return &CreateBackupOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CreateBackupOperation returns a new CreateBackupOperation from a given name.
+// The name must be that of a previously created CreateBackupOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) CreateBackupOperation(name string) *CreateBackupOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CreateBackupOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// CreateDatabaseOperation returns a new CreateDatabaseOperation from a given name.
+// The name must be that of a previously created CreateDatabaseOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) CreateDatabaseOperation(name string) *CreateDatabaseOperation {
+	return &CreateDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CreateDatabaseOperation returns a new CreateDatabaseOperation from a given name.
+// The name must be that of a previously created CreateDatabaseOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) CreateDatabaseOperation(name string) *CreateDatabaseOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CreateDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// RestoreDatabaseOperation returns a new RestoreDatabaseOperation from a given name.
+// The name must be that of a previously created RestoreDatabaseOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) RestoreDatabaseOperation(name string) *RestoreDatabaseOperation {
+	return &RestoreDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// RestoreDatabaseOperation returns a new RestoreDatabaseOperation from a given name.
+// The name must be that of a previously created RestoreDatabaseOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) RestoreDatabaseOperation(name string) *RestoreDatabaseOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &RestoreDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// UpdateDatabaseOperation returns a new UpdateDatabaseOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) UpdateDatabaseOperation(name string) *UpdateDatabaseOperation {
+	return &UpdateDatabaseOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// UpdateDatabaseOperation returns a new UpdateDatabaseOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) UpdateDatabaseOperation(name string) *UpdateDatabaseOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &UpdateDatabaseOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// UpdateDatabaseDdlOperation returns a new UpdateDatabaseDdlOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseDdlOperation, possibly from a different process.
+func (c *databaseAdminGRPCClient) UpdateDatabaseDdlOperation(name string) *UpdateDatabaseDdlOperation {
+	return &UpdateDatabaseDdlOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// UpdateDatabaseDdlOperation returns a new UpdateDatabaseDdlOperation from a given name.
+// The name must be that of a previously created UpdateDatabaseDdlOperation, possibly from a different process.
+func (c *databaseAdminRESTClient) UpdateDatabaseDdlOperation(name string) *UpdateDatabaseDdlOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &UpdateDatabaseDdlOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup.pb.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup.pb.go
new file mode 100644
index 000000000..7a5db895c
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup.pb.go
@@ -0,0 +1,2446 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/database/v1/backup.proto
+
+package databasepb
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	fieldmaskpb "google.golang.org/protobuf/types/known/fieldmaskpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Indicates the current state of the backup.
+type Backup_State int32
+
+const (
+	// Not specified.
+	Backup_STATE_UNSPECIFIED Backup_State = 0
+	// The pending backup is still being created. Operations on the
+	// backup may fail with `FAILED_PRECONDITION` in this state.
+	Backup_CREATING Backup_State = 1
+	// The backup is complete and ready for use.
+	Backup_READY Backup_State = 2
+)
+
+// Enum value maps for Backup_State.
+var (
+	Backup_State_name = map[int32]string{
+		0: "STATE_UNSPECIFIED",
+		1: "CREATING",
+		2: "READY",
+	}
+	Backup_State_value = map[string]int32{
+		"STATE_UNSPECIFIED": 0,
+		"CREATING":          1,
+		"READY":             2,
+	}
+)
+
+func (x Backup_State) Enum() *Backup_State {
+	p := new(Backup_State)
+	*p = x
+	return p
+}
+
+func (x Backup_State) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Backup_State) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_backup_proto_enumTypes[0].Descriptor()
+}
+
+func (Backup_State) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_backup_proto_enumTypes[0]
+}
+
+func (x Backup_State) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Backup_State.Descriptor instead.
+func (Backup_State) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{0, 0}
+}
+
+// Encryption types for the backup.
+type CreateBackupEncryptionConfig_EncryptionType int32
+
+const (
+	// Unspecified. Do not use.
+	CreateBackupEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED CreateBackupEncryptionConfig_EncryptionType = 0
+	// Use the same encryption configuration as the database. This is the
+	// default option when
+	// [encryption_config][google.spanner.admin.database.v1.CreateBackupEncryptionConfig]
+	// is empty. For example, if the database is using
+	// `Customer_Managed_Encryption`, the backup will be using the same Cloud
+	// KMS key as the database.
+	CreateBackupEncryptionConfig_USE_DATABASE_ENCRYPTION CreateBackupEncryptionConfig_EncryptionType = 1
+	// Use Google default encryption.
+	CreateBackupEncryptionConfig_GOOGLE_DEFAULT_ENCRYPTION CreateBackupEncryptionConfig_EncryptionType = 2
+	// Use customer managed encryption. If specified, `kms_key_name`
+	// must contain a valid Cloud KMS key.
+	CreateBackupEncryptionConfig_CUSTOMER_MANAGED_ENCRYPTION CreateBackupEncryptionConfig_EncryptionType = 3
+)
+
+// Enum value maps for CreateBackupEncryptionConfig_EncryptionType.
+var (
+	CreateBackupEncryptionConfig_EncryptionType_name = map[int32]string{
+		0: "ENCRYPTION_TYPE_UNSPECIFIED",
+		1: "USE_DATABASE_ENCRYPTION",
+		2: "GOOGLE_DEFAULT_ENCRYPTION",
+		3: "CUSTOMER_MANAGED_ENCRYPTION",
+	}
+	CreateBackupEncryptionConfig_EncryptionType_value = map[string]int32{
+		"ENCRYPTION_TYPE_UNSPECIFIED": 0,
+		"USE_DATABASE_ENCRYPTION":     1,
+		"GOOGLE_DEFAULT_ENCRYPTION":   2,
+		"CUSTOMER_MANAGED_ENCRYPTION": 3,
+	}
+)
+
+func (x CreateBackupEncryptionConfig_EncryptionType) Enum() *CreateBackupEncryptionConfig_EncryptionType {
+	p := new(CreateBackupEncryptionConfig_EncryptionType)
+	*p = x
+	return p
+}
+
+func (x CreateBackupEncryptionConfig_EncryptionType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (CreateBackupEncryptionConfig_EncryptionType) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_backup_proto_enumTypes[1].Descriptor()
+}
+
+func (CreateBackupEncryptionConfig_EncryptionType) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_backup_proto_enumTypes[1]
+}
+
+func (x CreateBackupEncryptionConfig_EncryptionType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use CreateBackupEncryptionConfig_EncryptionType.Descriptor instead.
+func (CreateBackupEncryptionConfig_EncryptionType) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{13, 0}
+}
+
+// Encryption types for the backup.
+type CopyBackupEncryptionConfig_EncryptionType int32
+
+const (
+	// Unspecified. Do not use.
+	CopyBackupEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED CopyBackupEncryptionConfig_EncryptionType = 0
+	// This is the default option for
+	// [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup]
+	// when
+	// [encryption_config][google.spanner.admin.database.v1.CopyBackupEncryptionConfig]
+	// is not specified. For example, if the source backup is using
+	// `Customer_Managed_Encryption`, the backup will be using the same Cloud
+	// KMS key as the source backup.
+	CopyBackupEncryptionConfig_USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION CopyBackupEncryptionConfig_EncryptionType = 1
+	// Use Google default encryption.
+	CopyBackupEncryptionConfig_GOOGLE_DEFAULT_ENCRYPTION CopyBackupEncryptionConfig_EncryptionType = 2
+	// Use customer managed encryption. If specified, either `kms_key_name` or
+	// `kms_key_names` must contain valid Cloud KMS key(s).
+	CopyBackupEncryptionConfig_CUSTOMER_MANAGED_ENCRYPTION CopyBackupEncryptionConfig_EncryptionType = 3
+)
+
+// Enum value maps for CopyBackupEncryptionConfig_EncryptionType.
+var (
+	CopyBackupEncryptionConfig_EncryptionType_name = map[int32]string{
+		0: "ENCRYPTION_TYPE_UNSPECIFIED",
+		1: "USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION",
+		2: "GOOGLE_DEFAULT_ENCRYPTION",
+		3: "CUSTOMER_MANAGED_ENCRYPTION",
+	}
+	CopyBackupEncryptionConfig_EncryptionType_value = map[string]int32{
+		"ENCRYPTION_TYPE_UNSPECIFIED":             0,
+		"USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION": 1,
+		"GOOGLE_DEFAULT_ENCRYPTION":               2,
+		"CUSTOMER_MANAGED_ENCRYPTION":             3,
+	}
+)
+
+func (x CopyBackupEncryptionConfig_EncryptionType) Enum() *CopyBackupEncryptionConfig_EncryptionType {
+	p := new(CopyBackupEncryptionConfig_EncryptionType)
+	*p = x
+	return p
+}
+
+func (x CopyBackupEncryptionConfig_EncryptionType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (CopyBackupEncryptionConfig_EncryptionType) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_backup_proto_enumTypes[2].Descriptor()
+}
+
+func (CopyBackupEncryptionConfig_EncryptionType) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_backup_proto_enumTypes[2]
+}
+
+func (x CopyBackupEncryptionConfig_EncryptionType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use CopyBackupEncryptionConfig_EncryptionType.Descriptor instead.
+func (CopyBackupEncryptionConfig_EncryptionType) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{14, 0}
+}
+
+// A backup of a Cloud Spanner database.
+type Backup struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required for the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// operation. Name of the database from which this backup was created. This
+	// needs to be in the same instance as the backup. Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`.
+	Database string `protobuf:"bytes,2,opt,name=database,proto3" json:"database,omitempty"`
+	// The backup will contain an externally consistent copy of the database at
+	// the timestamp specified by `version_time`. If `version_time` is not
+	// specified, the system will set `version_time` to the `create_time` of the
+	// backup.
+	VersionTime *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=version_time,json=versionTime,proto3" json:"version_time,omitempty"`
+	// Required for the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// operation. The expiration time of the backup, with microseconds
+	// granularity that must be at least 6 hours and at most 366 days
+	// from the time the CreateBackup request is processed. Once the `expire_time`
+	// has passed, the backup is eligible to be automatically deleted by Cloud
+	// Spanner to free the resources used by the backup.
+	ExpireTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=expire_time,json=expireTime,proto3" json:"expire_time,omitempty"`
+	// Output only for the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// operation. Required for the
+	// [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup]
+	// operation.
+	//
+	// A globally unique identifier for the backup which cannot be
+	// changed. Values are of the form
+	// `projects/<project>/instances/<instance>/backups/[a-z][a-z0-9_\-]*[a-z0-9]`
+	// The final segment of the name must be between 2 and 60 characters
+	// in length.
+	//
+	// The backup is stored in the location(s) specified in the instance
+	// configuration of the instance containing the backup, identified
+	// by the prefix of the backup name of the form
+	// `projects/<project>/instances/<instance>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Output only. The time the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// request is received. If the request does not specify `version_time`, the
+	// `version_time` of the backup will be equivalent to the `create_time`.
+	CreateTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
+	// Output only. Size of the backup in bytes.
+	SizeBytes int64 `protobuf:"varint,5,opt,name=size_bytes,json=sizeBytes,proto3" json:"size_bytes,omitempty"`
+	// Output only. The number of bytes that will be freed by deleting this
+	// backup. This value will be zero if, for example, this backup is part of an
+	// incremental backup chain and younger backups in the chain require that we
+	// keep its data. For backups not in an incremental backup chain, this is
+	// always the size of the backup. This value may change if backups on the same
+	// chain get created, deleted or expired.
+	FreeableSizeBytes int64 `protobuf:"varint,15,opt,name=freeable_size_bytes,json=freeableSizeBytes,proto3" json:"freeable_size_bytes,omitempty"`
+	// Output only. For a backup in an incremental backup chain, this is the
+	// storage space needed to keep the data that has changed since the previous
+	// backup. For all other backups, this is always the size of the backup. This
+	// value may change if backups on the same chain get deleted or expired.
+	//
+	// This field can be used to calculate the total storage space used by a set
+	// of backups. For example, the total space used by all backups of a database
+	// can be computed by summing up this field.
+	ExclusiveSizeBytes int64 `protobuf:"varint,16,opt,name=exclusive_size_bytes,json=exclusiveSizeBytes,proto3" json:"exclusive_size_bytes,omitempty"`
+	// Output only. The current state of the backup.
+	State Backup_State `protobuf:"varint,6,opt,name=state,proto3,enum=google.spanner.admin.database.v1.Backup_State" json:"state,omitempty"`
+	// Output only. The names of the restored databases that reference the backup.
+	// The database names are of
+	// the form `projects/<project>/instances/<instance>/databases/<database>`.
+	// Referencing databases may exist in different instances. The existence of
+	// any referencing database prevents the backup from being deleted. When a
+	// restored database from the backup enters the `READY` state, the reference
+	// to the backup is removed.
+	ReferencingDatabases []string `protobuf:"bytes,7,rep,name=referencing_databases,json=referencingDatabases,proto3" json:"referencing_databases,omitempty"`
+	// Output only. The encryption information for the backup.
+	EncryptionInfo *EncryptionInfo `protobuf:"bytes,8,opt,name=encryption_info,json=encryptionInfo,proto3" json:"encryption_info,omitempty"`
+	// Output only. The encryption information for the backup, whether it is
+	// protected by one or more KMS keys. The information includes all Cloud
+	// KMS key versions used to encrypt the backup. The `encryption_status' field
+	// inside of each `EncryptionInfo` is not populated. At least one of the key
+	// versions must be available for the backup to be restored. If a key version
+	// is revoked in the middle of a restore, the restore behavior is undefined.
+	EncryptionInformation []*EncryptionInfo `protobuf:"bytes,13,rep,name=encryption_information,json=encryptionInformation,proto3" json:"encryption_information,omitempty"`
+	// Output only. The database dialect information for the backup.
+	DatabaseDialect DatabaseDialect `protobuf:"varint,10,opt,name=database_dialect,json=databaseDialect,proto3,enum=google.spanner.admin.database.v1.DatabaseDialect" json:"database_dialect,omitempty"`
+	// Output only. The names of the destination backups being created by copying
+	// this source backup. The backup names are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	// Referencing backups may exist in different instances. The existence of
+	// any referencing backup prevents the backup from being deleted. When the
+	// copy operation is done (either successfully completed or cancelled or the
+	// destination backup is deleted), the reference to the backup is removed.
+	ReferencingBackups []string `protobuf:"bytes,11,rep,name=referencing_backups,json=referencingBackups,proto3" json:"referencing_backups,omitempty"`
+	// Output only. The max allowed expiration time of the backup, with
+	// microseconds granularity. A backup's expiration time can be configured in
+	// multiple APIs: CreateBackup, UpdateBackup, CopyBackup. When updating or
+	// copying an existing backup, the expiration time specified must be
+	// less than `Backup.max_expire_time`.
+	MaxExpireTime *timestamppb.Timestamp `protobuf:"bytes,12,opt,name=max_expire_time,json=maxExpireTime,proto3" json:"max_expire_time,omitempty"`
+	// Output only. List of backup schedule URIs that are associated with
+	// creating this backup. This is only applicable for scheduled backups, and
+	// is empty for on-demand backups.
+	//
+	// To optimize for storage, whenever possible, multiple schedules are
+	// collapsed together to create one backup. In such cases, this field captures
+	// the list of all backup schedule URIs that are associated with creating
+	// this backup. If collapsing is not done, then this field captures the
+	// single backup schedule URI associated with creating this backup.
+	BackupSchedules []string `protobuf:"bytes,14,rep,name=backup_schedules,json=backupSchedules,proto3" json:"backup_schedules,omitempty"`
+	// Output only. Populated only for backups in an incremental backup chain.
+	// Backups share the same chain id if and only if they belong to the same
+	// incremental backup chain. Use this field to determine which backups are
+	// part of the same incremental backup chain. The ordering of backups in the
+	// chain can be determined by ordering the backup `version_time`.
+	IncrementalBackupChainId string `protobuf:"bytes,17,opt,name=incremental_backup_chain_id,json=incrementalBackupChainId,proto3" json:"incremental_backup_chain_id,omitempty"`
+	// Output only. Data deleted at a time older than this is guaranteed not to be
+	// retained in order to support this backup. For a backup in an incremental
+	// backup chain, this is the version time of the oldest backup that exists or
+	// ever existed in the chain. For all other backups, this is the version time
+	// of the backup. This field can be used to understand what data is being
+	// retained by the backup system.
+	OldestVersionTime *timestamppb.Timestamp `protobuf:"bytes,18,opt,name=oldest_version_time,json=oldestVersionTime,proto3" json:"oldest_version_time,omitempty"`
+}
+
+func (x *Backup) Reset() {
+	*x = Backup{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Backup) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Backup) ProtoMessage() {}
+
+func (x *Backup) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Backup.ProtoReflect.Descriptor instead.
+func (*Backup) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Backup) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+func (x *Backup) GetVersionTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.VersionTime
+	}
+	return nil
+}
+
+func (x *Backup) GetExpireTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.ExpireTime
+	}
+	return nil
+}
+
+func (x *Backup) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Backup) GetCreateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreateTime
+	}
+	return nil
+}
+
+func (x *Backup) GetSizeBytes() int64 {
+	if x != nil {
+		return x.SizeBytes
+	}
+	return 0
+}
+
+func (x *Backup) GetFreeableSizeBytes() int64 {
+	if x != nil {
+		return x.FreeableSizeBytes
+	}
+	return 0
+}
+
+func (x *Backup) GetExclusiveSizeBytes() int64 {
+	if x != nil {
+		return x.ExclusiveSizeBytes
+	}
+	return 0
+}
+
+func (x *Backup) GetState() Backup_State {
+	if x != nil {
+		return x.State
+	}
+	return Backup_STATE_UNSPECIFIED
+}
+
+func (x *Backup) GetReferencingDatabases() []string {
+	if x != nil {
+		return x.ReferencingDatabases
+	}
+	return nil
+}
+
+func (x *Backup) GetEncryptionInfo() *EncryptionInfo {
+	if x != nil {
+		return x.EncryptionInfo
+	}
+	return nil
+}
+
+func (x *Backup) GetEncryptionInformation() []*EncryptionInfo {
+	if x != nil {
+		return x.EncryptionInformation
+	}
+	return nil
+}
+
+func (x *Backup) GetDatabaseDialect() DatabaseDialect {
+	if x != nil {
+		return x.DatabaseDialect
+	}
+	return DatabaseDialect_DATABASE_DIALECT_UNSPECIFIED
+}
+
+func (x *Backup) GetReferencingBackups() []string {
+	if x != nil {
+		return x.ReferencingBackups
+	}
+	return nil
+}
+
+func (x *Backup) GetMaxExpireTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.MaxExpireTime
+	}
+	return nil
+}
+
+func (x *Backup) GetBackupSchedules() []string {
+	if x != nil {
+		return x.BackupSchedules
+	}
+	return nil
+}
+
+func (x *Backup) GetIncrementalBackupChainId() string {
+	if x != nil {
+		return x.IncrementalBackupChainId
+	}
+	return ""
+}
+
+func (x *Backup) GetOldestVersionTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.OldestVersionTime
+	}
+	return nil
+}
+
+// The request for
+// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup].
+type CreateBackupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance in which the backup will be
+	// created. This must be the same instance that contains the database the
+	// backup will be created from. The backup will be stored in the
+	// location(s) specified in the instance configuration of this
+	// instance. Values are of the form
+	// `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The id of the backup to be created. The `backup_id` appended to
+	// `parent` forms the full backup name of the form
+	// `projects/<project>/instances/<instance>/backups/<backup_id>`.
+	BackupId string `protobuf:"bytes,2,opt,name=backup_id,json=backupId,proto3" json:"backup_id,omitempty"`
+	// Required. The backup to create.
+	Backup *Backup `protobuf:"bytes,3,opt,name=backup,proto3" json:"backup,omitempty"`
+	// Optional. The encryption configuration used to encrypt the backup. If this
+	// field is not specified, the backup will use the same encryption
+	// configuration as the database by default, namely
+	// [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type]
+	// = `USE_DATABASE_ENCRYPTION`.
+	EncryptionConfig *CreateBackupEncryptionConfig `protobuf:"bytes,4,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+}
+
+func (x *CreateBackupRequest) Reset() {
+	*x = CreateBackupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateBackupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateBackupRequest) ProtoMessage() {}
+
+func (x *CreateBackupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateBackupRequest.ProtoReflect.Descriptor instead.
+func (*CreateBackupRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CreateBackupRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateBackupRequest) GetBackupId() string {
+	if x != nil {
+		return x.BackupId
+	}
+	return ""
+}
+
+func (x *CreateBackupRequest) GetBackup() *Backup {
+	if x != nil {
+		return x.Backup
+	}
+	return nil
+}
+
+func (x *CreateBackupRequest) GetEncryptionConfig() *CreateBackupEncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup].
+type CreateBackupMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the backup being created.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The name of the database the backup is created from.
+	Database string `protobuf:"bytes,2,opt,name=database,proto3" json:"database,omitempty"`
+	// The progress of the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,3,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which cancellation of this operation was received.
+	// [Operations.CancelOperation][google.longrunning.Operations.CancelOperation]
+	// starts asynchronous cancellation on a long-running operation. The server
+	// makes a best effort to cancel the operation, but success is not guaranteed.
+	// Clients can use
+	// [Operations.GetOperation][google.longrunning.Operations.GetOperation] or
+	// other methods to check whether the cancellation succeeded or whether the
+	// operation completed despite cancellation. On successful cancellation,
+	// the operation is not deleted; instead, it becomes an operation with
+	// an [Operation.error][google.longrunning.Operation.error] value with a
+	// [google.rpc.Status.code][google.rpc.Status.code] of 1,
+	// corresponding to `Code.CANCELLED`.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *CreateBackupMetadata) Reset() {
+	*x = CreateBackupMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateBackupMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateBackupMetadata) ProtoMessage() {}
+
+func (x *CreateBackupMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateBackupMetadata.ProtoReflect.Descriptor instead.
+func (*CreateBackupMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CreateBackupMetadata) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *CreateBackupMetadata) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+func (x *CreateBackupMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *CreateBackupMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// The request for
+// [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup].
+type CopyBackupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the destination instance that will contain the backup
+	// copy. Values are of the form: `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The id of the backup copy.
+	// The `backup_id` appended to `parent` forms the full backup_uri of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	BackupId string `protobuf:"bytes,2,opt,name=backup_id,json=backupId,proto3" json:"backup_id,omitempty"`
+	// Required. The source backup to be copied.
+	// The source backup needs to be in READY state for it to be copied.
+	// Once CopyBackup is in progress, the source backup cannot be deleted or
+	// cleaned up on expiration until CopyBackup is finished.
+	// Values are of the form:
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	SourceBackup string `protobuf:"bytes,3,opt,name=source_backup,json=sourceBackup,proto3" json:"source_backup,omitempty"`
+	// Required. The expiration time of the backup in microsecond granularity.
+	// The expiration time must be at least 6 hours and at most 366 days
+	// from the `create_time` of the source backup. Once the `expire_time` has
+	// passed, the backup is eligible to be automatically deleted by Cloud Spanner
+	// to free the resources used by the backup.
+	ExpireTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=expire_time,json=expireTime,proto3" json:"expire_time,omitempty"`
+	// Optional. The encryption configuration used to encrypt the backup. If this
+	// field is not specified, the backup will use the same encryption
+	// configuration as the source backup by default, namely
+	// [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type]
+	// = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+	EncryptionConfig *CopyBackupEncryptionConfig `protobuf:"bytes,5,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+}
+
+func (x *CopyBackupRequest) Reset() {
+	*x = CopyBackupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CopyBackupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CopyBackupRequest) ProtoMessage() {}
+
+func (x *CopyBackupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CopyBackupRequest.ProtoReflect.Descriptor instead.
+func (*CopyBackupRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *CopyBackupRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CopyBackupRequest) GetBackupId() string {
+	if x != nil {
+		return x.BackupId
+	}
+	return ""
+}
+
+func (x *CopyBackupRequest) GetSourceBackup() string {
+	if x != nil {
+		return x.SourceBackup
+	}
+	return ""
+}
+
+func (x *CopyBackupRequest) GetExpireTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.ExpireTime
+	}
+	return nil
+}
+
+func (x *CopyBackupRequest) GetEncryptionConfig() *CopyBackupEncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup].
+type CopyBackupMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the backup being created through the copy operation.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The name of the source backup that is being copied.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	SourceBackup string `protobuf:"bytes,2,opt,name=source_backup,json=sourceBackup,proto3" json:"source_backup,omitempty"`
+	// The progress of the
+	// [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,3,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which cancellation of CopyBackup operation was received.
+	// [Operations.CancelOperation][google.longrunning.Operations.CancelOperation]
+	// starts asynchronous cancellation on a long-running operation. The server
+	// makes a best effort to cancel the operation, but success is not guaranteed.
+	// Clients can use
+	// [Operations.GetOperation][google.longrunning.Operations.GetOperation] or
+	// other methods to check whether the cancellation succeeded or whether the
+	// operation completed despite cancellation. On successful cancellation,
+	// the operation is not deleted; instead, it becomes an operation with
+	// an [Operation.error][google.longrunning.Operation.error] value with a
+	// [google.rpc.Status.code][google.rpc.Status.code] of 1,
+	// corresponding to `Code.CANCELLED`.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *CopyBackupMetadata) Reset() {
+	*x = CopyBackupMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CopyBackupMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CopyBackupMetadata) ProtoMessage() {}
+
+func (x *CopyBackupMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CopyBackupMetadata.ProtoReflect.Descriptor instead.
+func (*CopyBackupMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *CopyBackupMetadata) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *CopyBackupMetadata) GetSourceBackup() string {
+	if x != nil {
+		return x.SourceBackup
+	}
+	return ""
+}
+
+func (x *CopyBackupMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *CopyBackupMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// The request for
+// [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup].
+type UpdateBackupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The backup to update. `backup.name`, and the fields to be updated
+	// as specified by `update_mask` are required. Other fields are ignored.
+	// Update is only supported for the following fields:
+	//   - `backup.expire_time`.
+	Backup *Backup `protobuf:"bytes,1,opt,name=backup,proto3" json:"backup,omitempty"`
+	// Required. A mask specifying which fields (e.g. `expire_time`) in the
+	// Backup resource should be updated. This mask is relative to the Backup
+	// resource, not to the request message. The field mask must always be
+	// specified; this prevents any future fields from being erased accidentally
+	// by clients that do not know about them.
+	UpdateMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=update_mask,json=updateMask,proto3" json:"update_mask,omitempty"`
+}
+
+func (x *UpdateBackupRequest) Reset() {
+	*x = UpdateBackupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateBackupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateBackupRequest) ProtoMessage() {}
+
+func (x *UpdateBackupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateBackupRequest.ProtoReflect.Descriptor instead.
+func (*UpdateBackupRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *UpdateBackupRequest) GetBackup() *Backup {
+	if x != nil {
+		return x.Backup
+	}
+	return nil
+}
+
+func (x *UpdateBackupRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.UpdateMask
+	}
+	return nil
+}
+
+// The request for
+// [GetBackup][google.spanner.admin.database.v1.DatabaseAdmin.GetBackup].
+type GetBackupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. Name of the backup.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *GetBackupRequest) Reset() {
+	*x = GetBackupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetBackupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBackupRequest) ProtoMessage() {}
+
+func (x *GetBackupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBackupRequest.ProtoReflect.Descriptor instead.
+func (*GetBackupRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *GetBackupRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [DeleteBackup][google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackup].
+type DeleteBackupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. Name of the backup to delete.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *DeleteBackupRequest) Reset() {
+	*x = DeleteBackupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteBackupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteBackupRequest) ProtoMessage() {}
+
+func (x *DeleteBackupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteBackupRequest.ProtoReflect.Descriptor instead.
+func (*DeleteBackupRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *DeleteBackupRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
+type ListBackupsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance to list backups from.  Values are of the
+	// form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// An expression that filters the list of returned backups.
+	//
+	// A filter expression consists of a field name, a comparison operator, and a
+	// value for filtering.
+	// The value must be a string, a number, or a boolean. The comparison operator
+	// must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
+	// Colon `:` is the contains operator. Filter rules are not case sensitive.
+	//
+	// The following fields in the
+	// [Backup][google.spanner.admin.database.v1.Backup] are eligible for
+	// filtering:
+	//
+	//   - `name`
+	//   - `database`
+	//   - `state`
+	//   - `create_time`  (and values are of the format YYYY-MM-DDTHH:MM:SSZ)
+	//   - `expire_time`  (and values are of the format YYYY-MM-DDTHH:MM:SSZ)
+	//   - `version_time` (and values are of the format YYYY-MM-DDTHH:MM:SSZ)
+	//   - `size_bytes`
+	//   - `backup_schedules`
+	//
+	// You can combine multiple expressions by enclosing each expression in
+	// parentheses. By default, expressions are combined with AND logic, but
+	// you can specify AND, OR, and NOT logic explicitly.
+	//
+	// Here are a few examples:
+	//
+	//   - `name:Howl` - The backup's name contains the string "howl".
+	//   - `database:prod`
+	//   - The database's name contains the string "prod".
+	//   - `state:CREATING` - The backup is pending creation.
+	//   - `state:READY` - The backup is fully created and ready for use.
+	//   - `(name:howl) AND (create_time < \"2018-03-28T14:50:00Z\")`
+	//   - The backup name contains the string "howl" and `create_time`
+	//     of the backup is before 2018-03-28T14:50:00Z.
+	//   - `expire_time < \"2018-03-28T14:50:00Z\"`
+	//   - The backup `expire_time` is before 2018-03-28T14:50:00Z.
+	//   - `size_bytes > 10000000000` - The backup's size is greater than 10GB
+	//   - `backup_schedules:daily`
+	//   - The backup is created from a schedule with "daily" in its name.
+	Filter string `protobuf:"bytes,2,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Number of backups to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListBackupsResponse.next_page_token]
+	// from a previous
+	// [ListBackupsResponse][google.spanner.admin.database.v1.ListBackupsResponse]
+	// to the same `parent` and with the same `filter`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListBackupsRequest) Reset() {
+	*x = ListBackupsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupsRequest) ProtoMessage() {}
+
+func (x *ListBackupsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupsRequest.ProtoReflect.Descriptor instead.
+func (*ListBackupsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *ListBackupsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListBackupsRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListBackupsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListBackupsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
+type ListBackupsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of matching backups. Backups returned are ordered by `create_time`
+	// in descending order, starting from the most recent `create_time`.
+	Backups []*Backup `protobuf:"bytes,1,rep,name=backups,proto3" json:"backups,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups]
+	// call to fetch more of the matching backups.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListBackupsResponse) Reset() {
+	*x = ListBackupsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupsResponse) ProtoMessage() {}
+
+func (x *ListBackupsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupsResponse.ProtoReflect.Descriptor instead.
+func (*ListBackupsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *ListBackupsResponse) GetBackups() []*Backup {
+	if x != nil {
+		return x.Backups
+	}
+	return nil
+}
+
+func (x *ListBackupsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [ListBackupOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupOperations].
+type ListBackupOperationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance of the backup operations. Values are of
+	// the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// An expression that filters the list of returned backup operations.
+	//
+	// A filter expression consists of a field name, a
+	// comparison operator, and a value for filtering.
+	// The value must be a string, a number, or a boolean. The comparison operator
+	// must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
+	// Colon `:` is the contains operator. Filter rules are not case sensitive.
+	//
+	// The following fields in the [operation][google.longrunning.Operation]
+	// are eligible for filtering:
+	//
+	//   - `name` - The name of the long-running operation
+	//   - `done` - False if the operation is in progress, else true.
+	//   - `metadata.@type` - the type of metadata. For example, the type string
+	//     for
+	//     [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata]
+	//     is
+	//     `type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata`.
+	//   - `metadata.<field_name>` - any field in metadata.value.
+	//     `metadata.@type` must be specified first if filtering on metadata
+	//     fields.
+	//   - `error` - Error associated with the long-running operation.
+	//   - `response.@type` - the type of response.
+	//   - `response.<field_name>` - any field in response.value.
+	//
+	// You can combine multiple expressions by enclosing each expression in
+	// parentheses. By default, expressions are combined with AND logic, but
+	// you can specify AND, OR, and NOT logic explicitly.
+	//
+	// Here are a few examples:
+	//
+	//   - `done:true` - The operation is complete.
+	//   - `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
+	//     `metadata.database:prod` - Returns operations where:
+	//   - The operation's metadata type is
+	//     [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+	//   - The source database name of backup contains the string "prod".
+	//   - `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
+	//     `(metadata.name:howl) AND` \
+	//     `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
+	//     `(error:*)` - Returns operations where:
+	//   - The operation's metadata type is
+	//     [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+	//   - The backup name contains the string "howl".
+	//   - The operation started before 2018-03-28T14:50:00Z.
+	//   - The operation resulted in an error.
+	//   - `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CopyBackupMetadata) AND` \
+	//     `(metadata.source_backup:test) AND` \
+	//     `(metadata.progress.start_time < \"2022-01-18T14:50:00Z\") AND` \
+	//     `(error:*)` - Returns operations where:
+	//   - The operation's metadata type is
+	//     [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
+	//   - The source backup name contains the string "test".
+	//   - The operation started before 2022-01-18T14:50:00Z.
+	//   - The operation resulted in an error.
+	//   - `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
+	//     `(metadata.database:test_db)) OR` \
+	//     `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CopyBackupMetadata)
+	//     AND` \
+	//     `(metadata.source_backup:test_bkp)) AND` \
+	//     `(error:*)` - Returns operations where:
+	//   - The operation's metadata matches either of criteria:
+	//   - The operation's metadata type is
+	//     [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata]
+	//     AND the source database name of the backup contains the string
+	//     "test_db"
+	//   - The operation's metadata type is
+	//     [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata]
+	//     AND the source backup name contains the string "test_bkp"
+	//   - The operation resulted in an error.
+	Filter string `protobuf:"bytes,2,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Number of operations to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListBackupOperationsResponse.next_page_token]
+	// from a previous
+	// [ListBackupOperationsResponse][google.spanner.admin.database.v1.ListBackupOperationsResponse]
+	// to the same `parent` and with the same `filter`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListBackupOperationsRequest) Reset() {
+	*x = ListBackupOperationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupOperationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupOperationsRequest) ProtoMessage() {}
+
+func (x *ListBackupOperationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupOperationsRequest.ProtoReflect.Descriptor instead.
+func (*ListBackupOperationsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *ListBackupOperationsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListBackupOperationsRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListBackupOperationsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListBackupOperationsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListBackupOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupOperations].
+type ListBackupOperationsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of matching backup [long-running
+	// operations][google.longrunning.Operation]. Each operation's name will be
+	// prefixed by the backup's name. The operation's
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that are pending or have completed/failed/canceled within the
+	// last 7 days. Operations returned are ordered by
+	// `operation.metadata.value.progress.start_time` in descending order starting
+	// from the most recently started operation.
+	Operations []*longrunningpb.Operation `protobuf:"bytes,1,rep,name=operations,proto3" json:"operations,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListBackupOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupOperations]
+	// call to fetch more of the matching metadata.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListBackupOperationsResponse) Reset() {
+	*x = ListBackupOperationsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupOperationsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupOperationsResponse) ProtoMessage() {}
+
+func (x *ListBackupOperationsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupOperationsResponse.ProtoReflect.Descriptor instead.
+func (*ListBackupOperationsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *ListBackupOperationsResponse) GetOperations() []*longrunningpb.Operation {
+	if x != nil {
+		return x.Operations
+	}
+	return nil
+}
+
+func (x *ListBackupOperationsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// Information about a backup.
+type BackupInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Name of the backup.
+	Backup string `protobuf:"bytes,1,opt,name=backup,proto3" json:"backup,omitempty"`
+	// The backup contains an externally consistent copy of `source_database` at
+	// the timestamp specified by `version_time`. If the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// request did not specify `version_time`, the `version_time` of the backup is
+	// equivalent to the `create_time`.
+	VersionTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=version_time,json=versionTime,proto3" json:"version_time,omitempty"`
+	// The time the
+	// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+	// request was received.
+	CreateTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
+	// Name of the database the backup was created from.
+	SourceDatabase string `protobuf:"bytes,3,opt,name=source_database,json=sourceDatabase,proto3" json:"source_database,omitempty"`
+}
+
+func (x *BackupInfo) Reset() {
+	*x = BackupInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BackupInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BackupInfo) ProtoMessage() {}
+
+func (x *BackupInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BackupInfo.ProtoReflect.Descriptor instead.
+func (*BackupInfo) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *BackupInfo) GetBackup() string {
+	if x != nil {
+		return x.Backup
+	}
+	return ""
+}
+
+func (x *BackupInfo) GetVersionTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.VersionTime
+	}
+	return nil
+}
+
+func (x *BackupInfo) GetCreateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreateTime
+	}
+	return nil
+}
+
+func (x *BackupInfo) GetSourceDatabase() string {
+	if x != nil {
+		return x.SourceDatabase
+	}
+	return ""
+}
+
+// Encryption configuration for the backup to create.
+type CreateBackupEncryptionConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The encryption type of the backup.
+	EncryptionType CreateBackupEncryptionConfig_EncryptionType `protobuf:"varint,1,opt,name=encryption_type,json=encryptionType,proto3,enum=google.spanner.admin.database.v1.CreateBackupEncryptionConfig_EncryptionType" json:"encryption_type,omitempty"`
+	// Optional. The Cloud KMS key that will be used to protect the backup.
+	// This field should be set only when
+	// [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type]
+	// is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	KmsKeyName string `protobuf:"bytes,2,opt,name=kms_key_name,json=kmsKeyName,proto3" json:"kms_key_name,omitempty"`
+	// Optional. Specifies the KMS configuration for the one or more keys used to
+	// protect the backup. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	//
+	// The keys referenced by kms_key_names must fully cover all
+	// regions of the backup's instance configuration. Some examples:
+	// * For single region instance configs, specify a single regional
+	// location KMS key.
+	// * For multi-regional instance configs of type GOOGLE_MANAGED,
+	// either specify a multi-regional location KMS key or multiple regional
+	// location KMS keys that cover all regions in the instance config.
+	// * For an instance config of type USER_MANAGED, please specify only
+	// regional location KMS keys to cover each region in the instance config.
+	// Multi-regional location KMS keys are not supported for USER_MANAGED
+	// instance configs.
+	KmsKeyNames []string `protobuf:"bytes,3,rep,name=kms_key_names,json=kmsKeyNames,proto3" json:"kms_key_names,omitempty"`
+}
+
+func (x *CreateBackupEncryptionConfig) Reset() {
+	*x = CreateBackupEncryptionConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateBackupEncryptionConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateBackupEncryptionConfig) ProtoMessage() {}
+
+func (x *CreateBackupEncryptionConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateBackupEncryptionConfig.ProtoReflect.Descriptor instead.
+func (*CreateBackupEncryptionConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *CreateBackupEncryptionConfig) GetEncryptionType() CreateBackupEncryptionConfig_EncryptionType {
+	if x != nil {
+		return x.EncryptionType
+	}
+	return CreateBackupEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED
+}
+
+func (x *CreateBackupEncryptionConfig) GetKmsKeyName() string {
+	if x != nil {
+		return x.KmsKeyName
+	}
+	return ""
+}
+
+func (x *CreateBackupEncryptionConfig) GetKmsKeyNames() []string {
+	if x != nil {
+		return x.KmsKeyNames
+	}
+	return nil
+}
+
+// Encryption configuration for the copied backup.
+type CopyBackupEncryptionConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The encryption type of the backup.
+	EncryptionType CopyBackupEncryptionConfig_EncryptionType `protobuf:"varint,1,opt,name=encryption_type,json=encryptionType,proto3,enum=google.spanner.admin.database.v1.CopyBackupEncryptionConfig_EncryptionType" json:"encryption_type,omitempty"`
+	// Optional. The Cloud KMS key that will be used to protect the backup.
+	// This field should be set only when
+	// [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type]
+	// is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	KmsKeyName string `protobuf:"bytes,2,opt,name=kms_key_name,json=kmsKeyName,proto3" json:"kms_key_name,omitempty"`
+	// Optional. Specifies the KMS configuration for the one or more keys used to
+	// protect the backup. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	// Kms keys specified can be in any order.
+	//
+	// The keys referenced by kms_key_names must fully cover all
+	// regions of the backup's instance configuration. Some examples:
+	// * For single region instance configs, specify a single regional
+	// location KMS key.
+	// * For multi-regional instance configs of type GOOGLE_MANAGED,
+	// either specify a multi-regional location KMS key or multiple regional
+	// location KMS keys that cover all regions in the instance config.
+	// * For an instance config of type USER_MANAGED, please specify only
+	// regional location KMS keys to cover each region in the instance config.
+	// Multi-regional location KMS keys are not supported for USER_MANAGED
+	// instance configs.
+	KmsKeyNames []string `protobuf:"bytes,3,rep,name=kms_key_names,json=kmsKeyNames,proto3" json:"kms_key_names,omitempty"`
+}
+
+func (x *CopyBackupEncryptionConfig) Reset() {
+	*x = CopyBackupEncryptionConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CopyBackupEncryptionConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CopyBackupEncryptionConfig) ProtoMessage() {}
+
+func (x *CopyBackupEncryptionConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CopyBackupEncryptionConfig.ProtoReflect.Descriptor instead.
+func (*CopyBackupEncryptionConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *CopyBackupEncryptionConfig) GetEncryptionType() CopyBackupEncryptionConfig_EncryptionType {
+	if x != nil {
+		return x.EncryptionType
+	}
+	return CopyBackupEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED
+}
+
+func (x *CopyBackupEncryptionConfig) GetKmsKeyName() string {
+	if x != nil {
+		return x.KmsKeyName
+	}
+	return ""
+}
+
+func (x *CopyBackupEncryptionConfig) GetKmsKeyNames() []string {
+	if x != nil {
+		return x.KmsKeyNames
+	}
+	return nil
+}
+
+// The specification for full backups.
+// A full backup stores the entire contents of the database at a given
+// version time.
+type FullBackupSpec struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *FullBackupSpec) Reset() {
+	*x = FullBackupSpec{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FullBackupSpec) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FullBackupSpec) ProtoMessage() {}
+
+func (x *FullBackupSpec) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FullBackupSpec.ProtoReflect.Descriptor instead.
+func (*FullBackupSpec) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{15}
+}
+
+// The specification for incremental backup chains.
+// An incremental backup stores the delta of changes between a previous
+// backup and the database contents at a given version time. An
+// incremental backup chain consists of a full backup and zero or more
+// successive incremental backups. The first backup created for an
+// incremental backup chain is always a full backup.
+type IncrementalBackupSpec struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *IncrementalBackupSpec) Reset() {
+	*x = IncrementalBackupSpec{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *IncrementalBackupSpec) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*IncrementalBackupSpec) ProtoMessage() {}
+
+func (x *IncrementalBackupSpec) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use IncrementalBackupSpec.ProtoReflect.Descriptor instead.
+func (*IncrementalBackupSpec) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP(), []int{16}
+}
+
+var File_google_spanner_admin_database_v1_backup_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_database_v1_backup_proto_rawDesc = []byte{
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+}
+
+var (
+	file_google_spanner_admin_database_v1_backup_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_database_v1_backup_proto_rawDescData = file_google_spanner_admin_database_v1_backup_proto_rawDesc
+)
+
+func file_google_spanner_admin_database_v1_backup_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_database_v1_backup_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_database_v1_backup_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_database_v1_backup_proto_rawDescData)
+	})
+	return file_google_spanner_admin_database_v1_backup_proto_rawDescData
+}
+
+var file_google_spanner_admin_database_v1_backup_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_google_spanner_admin_database_v1_backup_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_google_spanner_admin_database_v1_backup_proto_goTypes = []any{
+	(Backup_State)(0), // 0: google.spanner.admin.database.v1.Backup.State
+	(CreateBackupEncryptionConfig_EncryptionType)(0), // 1: google.spanner.admin.database.v1.CreateBackupEncryptionConfig.EncryptionType
+	(CopyBackupEncryptionConfig_EncryptionType)(0),   // 2: google.spanner.admin.database.v1.CopyBackupEncryptionConfig.EncryptionType
+	(*Backup)(nil),                       // 3: google.spanner.admin.database.v1.Backup
+	(*CreateBackupRequest)(nil),          // 4: google.spanner.admin.database.v1.CreateBackupRequest
+	(*CreateBackupMetadata)(nil),         // 5: google.spanner.admin.database.v1.CreateBackupMetadata
+	(*CopyBackupRequest)(nil),            // 6: google.spanner.admin.database.v1.CopyBackupRequest
+	(*CopyBackupMetadata)(nil),           // 7: google.spanner.admin.database.v1.CopyBackupMetadata
+	(*UpdateBackupRequest)(nil),          // 8: google.spanner.admin.database.v1.UpdateBackupRequest
+	(*GetBackupRequest)(nil),             // 9: google.spanner.admin.database.v1.GetBackupRequest
+	(*DeleteBackupRequest)(nil),          // 10: google.spanner.admin.database.v1.DeleteBackupRequest
+	(*ListBackupsRequest)(nil),           // 11: google.spanner.admin.database.v1.ListBackupsRequest
+	(*ListBackupsResponse)(nil),          // 12: google.spanner.admin.database.v1.ListBackupsResponse
+	(*ListBackupOperationsRequest)(nil),  // 13: google.spanner.admin.database.v1.ListBackupOperationsRequest
+	(*ListBackupOperationsResponse)(nil), // 14: google.spanner.admin.database.v1.ListBackupOperationsResponse
+	(*BackupInfo)(nil),                   // 15: google.spanner.admin.database.v1.BackupInfo
+	(*CreateBackupEncryptionConfig)(nil), // 16: google.spanner.admin.database.v1.CreateBackupEncryptionConfig
+	(*CopyBackupEncryptionConfig)(nil),   // 17: google.spanner.admin.database.v1.CopyBackupEncryptionConfig
+	(*FullBackupSpec)(nil),               // 18: google.spanner.admin.database.v1.FullBackupSpec
+	(*IncrementalBackupSpec)(nil),        // 19: google.spanner.admin.database.v1.IncrementalBackupSpec
+	(*timestamppb.Timestamp)(nil),        // 20: google.protobuf.Timestamp
+	(*EncryptionInfo)(nil),               // 21: google.spanner.admin.database.v1.EncryptionInfo
+	(DatabaseDialect)(0),                 // 22: google.spanner.admin.database.v1.DatabaseDialect
+	(*OperationProgress)(nil),            // 23: google.spanner.admin.database.v1.OperationProgress
+	(*fieldmaskpb.FieldMask)(nil),        // 24: google.protobuf.FieldMask
+	(*longrunningpb.Operation)(nil),      // 25: google.longrunning.Operation
+}
+var file_google_spanner_admin_database_v1_backup_proto_depIdxs = []int32{
+	20, // 0: google.spanner.admin.database.v1.Backup.version_time:type_name -> google.protobuf.Timestamp
+	20, // 1: google.spanner.admin.database.v1.Backup.expire_time:type_name -> google.protobuf.Timestamp
+	20, // 2: google.spanner.admin.database.v1.Backup.create_time:type_name -> google.protobuf.Timestamp
+	0,  // 3: google.spanner.admin.database.v1.Backup.state:type_name -> google.spanner.admin.database.v1.Backup.State
+	21, // 4: google.spanner.admin.database.v1.Backup.encryption_info:type_name -> google.spanner.admin.database.v1.EncryptionInfo
+	21, // 5: google.spanner.admin.database.v1.Backup.encryption_information:type_name -> google.spanner.admin.database.v1.EncryptionInfo
+	22, // 6: google.spanner.admin.database.v1.Backup.database_dialect:type_name -> google.spanner.admin.database.v1.DatabaseDialect
+	20, // 7: google.spanner.admin.database.v1.Backup.max_expire_time:type_name -> google.protobuf.Timestamp
+	20, // 8: google.spanner.admin.database.v1.Backup.oldest_version_time:type_name -> google.protobuf.Timestamp
+	3,  // 9: google.spanner.admin.database.v1.CreateBackupRequest.backup:type_name -> google.spanner.admin.database.v1.Backup
+	16, // 10: google.spanner.admin.database.v1.CreateBackupRequest.encryption_config:type_name -> google.spanner.admin.database.v1.CreateBackupEncryptionConfig
+	23, // 11: google.spanner.admin.database.v1.CreateBackupMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	20, // 12: google.spanner.admin.database.v1.CreateBackupMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	20, // 13: google.spanner.admin.database.v1.CopyBackupRequest.expire_time:type_name -> google.protobuf.Timestamp
+	17, // 14: google.spanner.admin.database.v1.CopyBackupRequest.encryption_config:type_name -> google.spanner.admin.database.v1.CopyBackupEncryptionConfig
+	23, // 15: google.spanner.admin.database.v1.CopyBackupMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	20, // 16: google.spanner.admin.database.v1.CopyBackupMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	3,  // 17: google.spanner.admin.database.v1.UpdateBackupRequest.backup:type_name -> google.spanner.admin.database.v1.Backup
+	24, // 18: google.spanner.admin.database.v1.UpdateBackupRequest.update_mask:type_name -> google.protobuf.FieldMask
+	3,  // 19: google.spanner.admin.database.v1.ListBackupsResponse.backups:type_name -> google.spanner.admin.database.v1.Backup
+	25, // 20: google.spanner.admin.database.v1.ListBackupOperationsResponse.operations:type_name -> google.longrunning.Operation
+	20, // 21: google.spanner.admin.database.v1.BackupInfo.version_time:type_name -> google.protobuf.Timestamp
+	20, // 22: google.spanner.admin.database.v1.BackupInfo.create_time:type_name -> google.protobuf.Timestamp
+	1,  // 23: google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type:type_name -> google.spanner.admin.database.v1.CreateBackupEncryptionConfig.EncryptionType
+	2,  // 24: google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type:type_name -> google.spanner.admin.database.v1.CopyBackupEncryptionConfig.EncryptionType
+	25, // [25:25] is the sub-list for method output_type
+	25, // [25:25] is the sub-list for method input_type
+	25, // [25:25] is the sub-list for extension type_name
+	25, // [25:25] is the sub-list for extension extendee
+	0,  // [0:25] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_database_v1_backup_proto_init() }
+func file_google_spanner_admin_database_v1_backup_proto_init() {
+	if File_google_spanner_admin_database_v1_backup_proto != nil {
+		return
+	}
+	file_google_spanner_admin_database_v1_common_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*Backup); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateBackupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateBackupMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*CopyBackupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*CopyBackupMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateBackupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*GetBackupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*DeleteBackupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupOperationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupOperationsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*BackupInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[13].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateBackupEncryptionConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[14].Exporter = func(v any, i int) any {
+			switch v := v.(*CopyBackupEncryptionConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[15].Exporter = func(v any, i int) any {
+			switch v := v.(*FullBackupSpec); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_proto_msgTypes[16].Exporter = func(v any, i int) any {
+			switch v := v.(*IncrementalBackupSpec); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_database_v1_backup_proto_rawDesc,
+			NumEnums:      3,
+			NumMessages:   17,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_spanner_admin_database_v1_backup_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_database_v1_backup_proto_depIdxs,
+		EnumInfos:         file_google_spanner_admin_database_v1_backup_proto_enumTypes,
+		MessageInfos:      file_google_spanner_admin_database_v1_backup_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_database_v1_backup_proto = out.File
+	file_google_spanner_admin_database_v1_backup_proto_rawDesc = nil
+	file_google_spanner_admin_database_v1_backup_proto_goTypes = nil
+	file_google_spanner_admin_database_v1_backup_proto_depIdxs = nil
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup_schedule.pb.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup_schedule.pb.go
new file mode 100644
index 000000000..fd7ca6b0d
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/backup_schedule.pb.go
@@ -0,0 +1,1080 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/database/v1/backup_schedule.proto
+
+package databasepb
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	fieldmaskpb "google.golang.org/protobuf/types/known/fieldmaskpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Defines specifications of the backup schedule.
+type BackupScheduleSpec struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required.
+	//
+	// Types that are assignable to ScheduleSpec:
+	//
+	//	*BackupScheduleSpec_CronSpec
+	ScheduleSpec isBackupScheduleSpec_ScheduleSpec `protobuf_oneof:"schedule_spec"`
+}
+
+func (x *BackupScheduleSpec) Reset() {
+	*x = BackupScheduleSpec{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BackupScheduleSpec) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BackupScheduleSpec) ProtoMessage() {}
+
+func (x *BackupScheduleSpec) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BackupScheduleSpec.ProtoReflect.Descriptor instead.
+func (*BackupScheduleSpec) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{0}
+}
+
+func (m *BackupScheduleSpec) GetScheduleSpec() isBackupScheduleSpec_ScheduleSpec {
+	if m != nil {
+		return m.ScheduleSpec
+	}
+	return nil
+}
+
+func (x *BackupScheduleSpec) GetCronSpec() *CrontabSpec {
+	if x, ok := x.GetScheduleSpec().(*BackupScheduleSpec_CronSpec); ok {
+		return x.CronSpec
+	}
+	return nil
+}
+
+type isBackupScheduleSpec_ScheduleSpec interface {
+	isBackupScheduleSpec_ScheduleSpec()
+}
+
+type BackupScheduleSpec_CronSpec struct {
+	// Cron style schedule specification.
+	CronSpec *CrontabSpec `protobuf:"bytes,1,opt,name=cron_spec,json=cronSpec,proto3,oneof"`
+}
+
+func (*BackupScheduleSpec_CronSpec) isBackupScheduleSpec_ScheduleSpec() {}
+
+// BackupSchedule expresses the automated backup creation specification for a
+// Spanner database.
+// Next ID: 10
+type BackupSchedule struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Identifier. Output only for the
+	// [CreateBackupSchedule][DatabaseAdmin.CreateBackupSchededule] operation.
+	// Required for the
+	// [UpdateBackupSchedule][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackupSchedule]
+	// operation. A globally unique identifier for the backup schedule which
+	// cannot be changed. Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/backupSchedules/[a-z][a-z0-9_\-]*[a-z0-9]`
+	// The final segment of the name must be between 2 and 60 characters in
+	// length.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Optional. The schedule specification based on which the backup creations
+	// are triggered.
+	Spec *BackupScheduleSpec `protobuf:"bytes,6,opt,name=spec,proto3" json:"spec,omitempty"`
+	// Optional. The retention duration of a backup that must be at least 6 hours
+	// and at most 366 days. The backup is eligible to be automatically deleted
+	// once the retention period has elapsed.
+	RetentionDuration *durationpb.Duration `protobuf:"bytes,3,opt,name=retention_duration,json=retentionDuration,proto3" json:"retention_duration,omitempty"`
+	// Optional. The encryption configuration that will be used to encrypt the
+	// backup. If this field is not specified, the backup will use the same
+	// encryption configuration as the database.
+	EncryptionConfig *CreateBackupEncryptionConfig `protobuf:"bytes,4,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+	// Required. Backup type spec determines the type of backup that is created by
+	// the backup schedule. Currently, only full backups are supported.
+	//
+	// Types that are assignable to BackupTypeSpec:
+	//
+	//	*BackupSchedule_FullBackupSpec
+	//	*BackupSchedule_IncrementalBackupSpec
+	BackupTypeSpec isBackupSchedule_BackupTypeSpec `protobuf_oneof:"backup_type_spec"`
+	// Output only. The timestamp at which the schedule was last updated.
+	// If the schedule has never been updated, this field contains the timestamp
+	// when the schedule was first created.
+	UpdateTime *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty"`
+}
+
+func (x *BackupSchedule) Reset() {
+	*x = BackupSchedule{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BackupSchedule) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BackupSchedule) ProtoMessage() {}
+
+func (x *BackupSchedule) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BackupSchedule.ProtoReflect.Descriptor instead.
+func (*BackupSchedule) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *BackupSchedule) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *BackupSchedule) GetSpec() *BackupScheduleSpec {
+	if x != nil {
+		return x.Spec
+	}
+	return nil
+}
+
+func (x *BackupSchedule) GetRetentionDuration() *durationpb.Duration {
+	if x != nil {
+		return x.RetentionDuration
+	}
+	return nil
+}
+
+func (x *BackupSchedule) GetEncryptionConfig() *CreateBackupEncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+func (m *BackupSchedule) GetBackupTypeSpec() isBackupSchedule_BackupTypeSpec {
+	if m != nil {
+		return m.BackupTypeSpec
+	}
+	return nil
+}
+
+func (x *BackupSchedule) GetFullBackupSpec() *FullBackupSpec {
+	if x, ok := x.GetBackupTypeSpec().(*BackupSchedule_FullBackupSpec); ok {
+		return x.FullBackupSpec
+	}
+	return nil
+}
+
+func (x *BackupSchedule) GetIncrementalBackupSpec() *IncrementalBackupSpec {
+	if x, ok := x.GetBackupTypeSpec().(*BackupSchedule_IncrementalBackupSpec); ok {
+		return x.IncrementalBackupSpec
+	}
+	return nil
+}
+
+func (x *BackupSchedule) GetUpdateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdateTime
+	}
+	return nil
+}
+
+type isBackupSchedule_BackupTypeSpec interface {
+	isBackupSchedule_BackupTypeSpec()
+}
+
+type BackupSchedule_FullBackupSpec struct {
+	// The schedule creates only full backups.
+	FullBackupSpec *FullBackupSpec `protobuf:"bytes,7,opt,name=full_backup_spec,json=fullBackupSpec,proto3,oneof"`
+}
+
+type BackupSchedule_IncrementalBackupSpec struct {
+	// The schedule creates incremental backup chains.
+	IncrementalBackupSpec *IncrementalBackupSpec `protobuf:"bytes,8,opt,name=incremental_backup_spec,json=incrementalBackupSpec,proto3,oneof"`
+}
+
+func (*BackupSchedule_FullBackupSpec) isBackupSchedule_BackupTypeSpec() {}
+
+func (*BackupSchedule_IncrementalBackupSpec) isBackupSchedule_BackupTypeSpec() {}
+
+// CrontabSpec can be used to specify the version time and frequency at
+// which the backup should be created.
+type CrontabSpec struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. Textual representation of the crontab. User can customize the
+	// backup frequency and the backup version time using the cron
+	// expression. The version time must be in UTC timzeone.
+	//
+	// The backup will contain an externally consistent copy of the
+	// database at the version time. Allowed frequencies are 12 hour, 1 day,
+	// 1 week and 1 month. Examples of valid cron specifications:
+	//   - `0 2/12 * * * ` : every 12 hours at (2, 14) hours past midnight in UTC.
+	//   - `0 2,14 * * * ` : every 12 hours at (2,14) hours past midnight in UTC.
+	//   - `0 2 * * * `    : once a day at 2 past midnight in UTC.
+	//   - `0 2 * * 0 `    : once a week every Sunday at 2 past midnight in UTC.
+	//   - `0 2 8 * * `    : once a month on 8th day at 2 past midnight in UTC.
+	Text string `protobuf:"bytes,1,opt,name=text,proto3" json:"text,omitempty"`
+	// Output only. The time zone of the times in `CrontabSpec.text`. Currently
+	// only UTC is supported.
+	TimeZone string `protobuf:"bytes,2,opt,name=time_zone,json=timeZone,proto3" json:"time_zone,omitempty"`
+	// Output only. Schedule backups will contain an externally consistent copy
+	// of the database at the version time specified in
+	// `schedule_spec.cron_spec`. However, Spanner may not initiate the creation
+	// of the scheduled backups at that version time. Spanner will initiate
+	// the creation of scheduled backups within the time window bounded by the
+	// version_time specified in `schedule_spec.cron_spec` and version_time +
+	// `creation_window`.
+	CreationWindow *durationpb.Duration `protobuf:"bytes,3,opt,name=creation_window,json=creationWindow,proto3" json:"creation_window,omitempty"`
+}
+
+func (x *CrontabSpec) Reset() {
+	*x = CrontabSpec{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CrontabSpec) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CrontabSpec) ProtoMessage() {}
+
+func (x *CrontabSpec) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CrontabSpec.ProtoReflect.Descriptor instead.
+func (*CrontabSpec) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CrontabSpec) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+func (x *CrontabSpec) GetTimeZone() string {
+	if x != nil {
+		return x.TimeZone
+	}
+	return ""
+}
+
+func (x *CrontabSpec) GetCreationWindow() *durationpb.Duration {
+	if x != nil {
+		return x.CreationWindow
+	}
+	return nil
+}
+
+// The request for
+// [CreateBackupSchedule][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackupSchedule].
+type CreateBackupScheduleRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the database that this backup schedule applies to.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The Id to use for the backup schedule. The `backup_schedule_id`
+	// appended to `parent` forms the full backup schedule name of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/backupSchedules/<backup_schedule_id>`.
+	BackupScheduleId string `protobuf:"bytes,2,opt,name=backup_schedule_id,json=backupScheduleId,proto3" json:"backup_schedule_id,omitempty"`
+	// Required. The backup schedule to create.
+	BackupSchedule *BackupSchedule `protobuf:"bytes,3,opt,name=backup_schedule,json=backupSchedule,proto3" json:"backup_schedule,omitempty"`
+}
+
+func (x *CreateBackupScheduleRequest) Reset() {
+	*x = CreateBackupScheduleRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateBackupScheduleRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateBackupScheduleRequest) ProtoMessage() {}
+
+func (x *CreateBackupScheduleRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateBackupScheduleRequest.ProtoReflect.Descriptor instead.
+func (*CreateBackupScheduleRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *CreateBackupScheduleRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateBackupScheduleRequest) GetBackupScheduleId() string {
+	if x != nil {
+		return x.BackupScheduleId
+	}
+	return ""
+}
+
+func (x *CreateBackupScheduleRequest) GetBackupSchedule() *BackupSchedule {
+	if x != nil {
+		return x.BackupSchedule
+	}
+	return nil
+}
+
+// The request for
+// [GetBackupSchedule][google.spanner.admin.database.v1.DatabaseAdmin.GetBackupSchedule].
+type GetBackupScheduleRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the schedule to retrieve.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/backupSchedules/<backup_schedule_id>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *GetBackupScheduleRequest) Reset() {
+	*x = GetBackupScheduleRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetBackupScheduleRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBackupScheduleRequest) ProtoMessage() {}
+
+func (x *GetBackupScheduleRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBackupScheduleRequest.ProtoReflect.Descriptor instead.
+func (*GetBackupScheduleRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *GetBackupScheduleRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [DeleteBackupSchedule][google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackupSchedule].
+type DeleteBackupScheduleRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the schedule to delete.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/backupSchedules/<backup_schedule_id>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *DeleteBackupScheduleRequest) Reset() {
+	*x = DeleteBackupScheduleRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteBackupScheduleRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteBackupScheduleRequest) ProtoMessage() {}
+
+func (x *DeleteBackupScheduleRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteBackupScheduleRequest.ProtoReflect.Descriptor instead.
+func (*DeleteBackupScheduleRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *DeleteBackupScheduleRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [ListBackupSchedules][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupSchedules].
+type ListBackupSchedulesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. Database is the parent resource whose backup schedules should be
+	// listed. Values are of the form
+	// projects/<project>/instances/<instance>/databases/<database>
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Optional. Number of backup schedules to be returned in the response. If 0
+	// or less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// Optional. If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListBackupSchedulesResponse.next_page_token]
+	// from a previous
+	// [ListBackupSchedulesResponse][google.spanner.admin.database.v1.ListBackupSchedulesResponse]
+	// to the same `parent`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListBackupSchedulesRequest) Reset() {
+	*x = ListBackupSchedulesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupSchedulesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupSchedulesRequest) ProtoMessage() {}
+
+func (x *ListBackupSchedulesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupSchedulesRequest.ProtoReflect.Descriptor instead.
+func (*ListBackupSchedulesRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ListBackupSchedulesRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListBackupSchedulesRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListBackupSchedulesRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListBackupSchedules][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupSchedules].
+type ListBackupSchedulesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of backup schedules for a database.
+	BackupSchedules []*BackupSchedule `protobuf:"bytes,1,rep,name=backup_schedules,json=backupSchedules,proto3" json:"backup_schedules,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListBackupSchedules][google.spanner.admin.database.v1.DatabaseAdmin.ListBackupSchedules]
+	// call to fetch more of the schedules.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListBackupSchedulesResponse) Reset() {
+	*x = ListBackupSchedulesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListBackupSchedulesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListBackupSchedulesResponse) ProtoMessage() {}
+
+func (x *ListBackupSchedulesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListBackupSchedulesResponse.ProtoReflect.Descriptor instead.
+func (*ListBackupSchedulesResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *ListBackupSchedulesResponse) GetBackupSchedules() []*BackupSchedule {
+	if x != nil {
+		return x.BackupSchedules
+	}
+	return nil
+}
+
+func (x *ListBackupSchedulesResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [UpdateBackupScheduleRequest][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackupSchedule].
+type UpdateBackupScheduleRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The backup schedule to update. `backup_schedule.name`, and the
+	// fields to be updated as specified by `update_mask` are required. Other
+	// fields are ignored.
+	BackupSchedule *BackupSchedule `protobuf:"bytes,1,opt,name=backup_schedule,json=backupSchedule,proto3" json:"backup_schedule,omitempty"`
+	// Required. A mask specifying which fields in the BackupSchedule resource
+	// should be updated. This mask is relative to the BackupSchedule resource,
+	// not to the request message. The field mask must always be
+	// specified; this prevents any future fields from being erased
+	// accidentally.
+	UpdateMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=update_mask,json=updateMask,proto3" json:"update_mask,omitempty"`
+}
+
+func (x *UpdateBackupScheduleRequest) Reset() {
+	*x = UpdateBackupScheduleRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateBackupScheduleRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateBackupScheduleRequest) ProtoMessage() {}
+
+func (x *UpdateBackupScheduleRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateBackupScheduleRequest.ProtoReflect.Descriptor instead.
+func (*UpdateBackupScheduleRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *UpdateBackupScheduleRequest) GetBackupSchedule() *BackupSchedule {
+	if x != nil {
+		return x.BackupSchedule
+	}
+	return nil
+}
+
+func (x *UpdateBackupScheduleRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.UpdateMask
+	}
+	return nil
+}
+
+var File_google_spanner_admin_database_v1_backup_schedule_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_database_v1_backup_schedule_proto_rawDesc = []byte{
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+}
+
+var (
+	file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescData = file_google_spanner_admin_database_v1_backup_schedule_proto_rawDesc
+)
+
+func file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescData)
+	})
+	return file_google_spanner_admin_database_v1_backup_schedule_proto_rawDescData
+}
+
+var file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_google_spanner_admin_database_v1_backup_schedule_proto_goTypes = []any{
+	(*BackupScheduleSpec)(nil),           // 0: google.spanner.admin.database.v1.BackupScheduleSpec
+	(*BackupSchedule)(nil),               // 1: google.spanner.admin.database.v1.BackupSchedule
+	(*CrontabSpec)(nil),                  // 2: google.spanner.admin.database.v1.CrontabSpec
+	(*CreateBackupScheduleRequest)(nil),  // 3: google.spanner.admin.database.v1.CreateBackupScheduleRequest
+	(*GetBackupScheduleRequest)(nil),     // 4: google.spanner.admin.database.v1.GetBackupScheduleRequest
+	(*DeleteBackupScheduleRequest)(nil),  // 5: google.spanner.admin.database.v1.DeleteBackupScheduleRequest
+	(*ListBackupSchedulesRequest)(nil),   // 6: google.spanner.admin.database.v1.ListBackupSchedulesRequest
+	(*ListBackupSchedulesResponse)(nil),  // 7: google.spanner.admin.database.v1.ListBackupSchedulesResponse
+	(*UpdateBackupScheduleRequest)(nil),  // 8: google.spanner.admin.database.v1.UpdateBackupScheduleRequest
+	(*durationpb.Duration)(nil),          // 9: google.protobuf.Duration
+	(*CreateBackupEncryptionConfig)(nil), // 10: google.spanner.admin.database.v1.CreateBackupEncryptionConfig
+	(*FullBackupSpec)(nil),               // 11: google.spanner.admin.database.v1.FullBackupSpec
+	(*IncrementalBackupSpec)(nil),        // 12: google.spanner.admin.database.v1.IncrementalBackupSpec
+	(*timestamppb.Timestamp)(nil),        // 13: google.protobuf.Timestamp
+	(*fieldmaskpb.FieldMask)(nil),        // 14: google.protobuf.FieldMask
+}
+var file_google_spanner_admin_database_v1_backup_schedule_proto_depIdxs = []int32{
+	2,  // 0: google.spanner.admin.database.v1.BackupScheduleSpec.cron_spec:type_name -> google.spanner.admin.database.v1.CrontabSpec
+	0,  // 1: google.spanner.admin.database.v1.BackupSchedule.spec:type_name -> google.spanner.admin.database.v1.BackupScheduleSpec
+	9,  // 2: google.spanner.admin.database.v1.BackupSchedule.retention_duration:type_name -> google.protobuf.Duration
+	10, // 3: google.spanner.admin.database.v1.BackupSchedule.encryption_config:type_name -> google.spanner.admin.database.v1.CreateBackupEncryptionConfig
+	11, // 4: google.spanner.admin.database.v1.BackupSchedule.full_backup_spec:type_name -> google.spanner.admin.database.v1.FullBackupSpec
+	12, // 5: google.spanner.admin.database.v1.BackupSchedule.incremental_backup_spec:type_name -> google.spanner.admin.database.v1.IncrementalBackupSpec
+	13, // 6: google.spanner.admin.database.v1.BackupSchedule.update_time:type_name -> google.protobuf.Timestamp
+	9,  // 7: google.spanner.admin.database.v1.CrontabSpec.creation_window:type_name -> google.protobuf.Duration
+	1,  // 8: google.spanner.admin.database.v1.CreateBackupScheduleRequest.backup_schedule:type_name -> google.spanner.admin.database.v1.BackupSchedule
+	1,  // 9: google.spanner.admin.database.v1.ListBackupSchedulesResponse.backup_schedules:type_name -> google.spanner.admin.database.v1.BackupSchedule
+	1,  // 10: google.spanner.admin.database.v1.UpdateBackupScheduleRequest.backup_schedule:type_name -> google.spanner.admin.database.v1.BackupSchedule
+	14, // 11: google.spanner.admin.database.v1.UpdateBackupScheduleRequest.update_mask:type_name -> google.protobuf.FieldMask
+	12, // [12:12] is the sub-list for method output_type
+	12, // [12:12] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_database_v1_backup_schedule_proto_init() }
+func file_google_spanner_admin_database_v1_backup_schedule_proto_init() {
+	if File_google_spanner_admin_database_v1_backup_schedule_proto != nil {
+		return
+	}
+	file_google_spanner_admin_database_v1_backup_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*BackupScheduleSpec); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*BackupSchedule); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*CrontabSpec); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateBackupScheduleRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*GetBackupScheduleRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*DeleteBackupScheduleRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupSchedulesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*ListBackupSchedulesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateBackupScheduleRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[0].OneofWrappers = []any{
+		(*BackupScheduleSpec_CronSpec)(nil),
+	}
+	file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes[1].OneofWrappers = []any{
+		(*BackupSchedule_FullBackupSpec)(nil),
+		(*BackupSchedule_IncrementalBackupSpec)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_database_v1_backup_schedule_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   9,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_spanner_admin_database_v1_backup_schedule_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_database_v1_backup_schedule_proto_depIdxs,
+		MessageInfos:      file_google_spanner_admin_database_v1_backup_schedule_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_database_v1_backup_schedule_proto = out.File
+	file_google_spanner_admin_database_v1_backup_schedule_proto_rawDesc = nil
+	file_google_spanner_admin_database_v1_backup_schedule_proto_goTypes = nil
+	file_google_spanner_admin_database_v1_backup_schedule_proto_depIdxs = nil
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/common.pb.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/common.pb.go
new file mode 100644
index 000000000..ba93d9a26
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/common.pb.go
@@ -0,0 +1,567 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/database/v1/common.proto
+
+package databasepb
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	status "google.golang.org/genproto/googleapis/rpc/status"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Indicates the dialect type of a database.
+type DatabaseDialect int32
+
+const (
+	// Default value. This value will create a database with the
+	// GOOGLE_STANDARD_SQL dialect.
+	DatabaseDialect_DATABASE_DIALECT_UNSPECIFIED DatabaseDialect = 0
+	// GoogleSQL supported SQL.
+	DatabaseDialect_GOOGLE_STANDARD_SQL DatabaseDialect = 1
+	// PostgreSQL supported SQL.
+	DatabaseDialect_POSTGRESQL DatabaseDialect = 2
+)
+
+// Enum value maps for DatabaseDialect.
+var (
+	DatabaseDialect_name = map[int32]string{
+		0: "DATABASE_DIALECT_UNSPECIFIED",
+		1: "GOOGLE_STANDARD_SQL",
+		2: "POSTGRESQL",
+	}
+	DatabaseDialect_value = map[string]int32{
+		"DATABASE_DIALECT_UNSPECIFIED": 0,
+		"GOOGLE_STANDARD_SQL":          1,
+		"POSTGRESQL":                   2,
+	}
+)
+
+func (x DatabaseDialect) Enum() *DatabaseDialect {
+	p := new(DatabaseDialect)
+	*p = x
+	return p
+}
+
+func (x DatabaseDialect) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (DatabaseDialect) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_common_proto_enumTypes[0].Descriptor()
+}
+
+func (DatabaseDialect) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_common_proto_enumTypes[0]
+}
+
+func (x DatabaseDialect) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use DatabaseDialect.Descriptor instead.
+func (DatabaseDialect) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_common_proto_rawDescGZIP(), []int{0}
+}
+
+// Possible encryption types.
+type EncryptionInfo_Type int32
+
+const (
+	// Encryption type was not specified, though data at rest remains encrypted.
+	EncryptionInfo_TYPE_UNSPECIFIED EncryptionInfo_Type = 0
+	// The data is encrypted at rest with a key that is
+	// fully managed by Google. No key version or status will be populated.
+	// This is the default state.
+	EncryptionInfo_GOOGLE_DEFAULT_ENCRYPTION EncryptionInfo_Type = 1
+	// The data is encrypted at rest with a key that is
+	// managed by the customer. The active version of the key. `kms_key_version`
+	// will be populated, and `encryption_status` may be populated.
+	EncryptionInfo_CUSTOMER_MANAGED_ENCRYPTION EncryptionInfo_Type = 2
+)
+
+// Enum value maps for EncryptionInfo_Type.
+var (
+	EncryptionInfo_Type_name = map[int32]string{
+		0: "TYPE_UNSPECIFIED",
+		1: "GOOGLE_DEFAULT_ENCRYPTION",
+		2: "CUSTOMER_MANAGED_ENCRYPTION",
+	}
+	EncryptionInfo_Type_value = map[string]int32{
+		"TYPE_UNSPECIFIED":            0,
+		"GOOGLE_DEFAULT_ENCRYPTION":   1,
+		"CUSTOMER_MANAGED_ENCRYPTION": 2,
+	}
+)
+
+func (x EncryptionInfo_Type) Enum() *EncryptionInfo_Type {
+	p := new(EncryptionInfo_Type)
+	*p = x
+	return p
+}
+
+func (x EncryptionInfo_Type) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (EncryptionInfo_Type) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_common_proto_enumTypes[1].Descriptor()
+}
+
+func (EncryptionInfo_Type) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_common_proto_enumTypes[1]
+}
+
+func (x EncryptionInfo_Type) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use EncryptionInfo_Type.Descriptor instead.
+func (EncryptionInfo_Type) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_common_proto_rawDescGZIP(), []int{2, 0}
+}
+
+// Encapsulates progress related information for a Cloud Spanner long
+// running operation.
+type OperationProgress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Percent completion of the operation.
+	// Values are between 0 and 100 inclusive.
+	ProgressPercent int32 `protobuf:"varint,1,opt,name=progress_percent,json=progressPercent,proto3" json:"progress_percent,omitempty"`
+	// Time the request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// If set, the time at which this operation failed or was completed
+	// successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+}
+
+func (x *OperationProgress) Reset() {
+	*x = OperationProgress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OperationProgress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OperationProgress) ProtoMessage() {}
+
+func (x *OperationProgress) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OperationProgress.ProtoReflect.Descriptor instead.
+func (*OperationProgress) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_common_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *OperationProgress) GetProgressPercent() int32 {
+	if x != nil {
+		return x.ProgressPercent
+	}
+	return 0
+}
+
+func (x *OperationProgress) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *OperationProgress) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+// Encryption configuration for a Cloud Spanner database.
+type EncryptionConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The Cloud KMS key to be used for encrypting and decrypting
+	// the database. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	KmsKeyName string `protobuf:"bytes,2,opt,name=kms_key_name,json=kmsKeyName,proto3" json:"kms_key_name,omitempty"`
+	// Specifies the KMS configuration for the one or more keys used to encrypt
+	// the database. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	//
+	// The keys referenced by kms_key_names must fully cover all
+	// regions of the database instance configuration. Some examples:
+	// * For single region database instance configs, specify a single regional
+	// location KMS key.
+	// * For multi-regional database instance configs of type GOOGLE_MANAGED,
+	// either specify a multi-regional location KMS key or multiple regional
+	// location KMS keys that cover all regions in the instance config.
+	// * For a database instance config of type USER_MANAGED, please specify only
+	// regional location KMS keys to cover each region in the instance config.
+	// Multi-regional location KMS keys are not supported for USER_MANAGED
+	// instance configs.
+	KmsKeyNames []string `protobuf:"bytes,3,rep,name=kms_key_names,json=kmsKeyNames,proto3" json:"kms_key_names,omitempty"`
+}
+
+func (x *EncryptionConfig) Reset() {
+	*x = EncryptionConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EncryptionConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EncryptionConfig) ProtoMessage() {}
+
+func (x *EncryptionConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EncryptionConfig.ProtoReflect.Descriptor instead.
+func (*EncryptionConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_common_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *EncryptionConfig) GetKmsKeyName() string {
+	if x != nil {
+		return x.KmsKeyName
+	}
+	return ""
+}
+
+func (x *EncryptionConfig) GetKmsKeyNames() []string {
+	if x != nil {
+		return x.KmsKeyNames
+	}
+	return nil
+}
+
+// Encryption information for a Cloud Spanner database or backup.
+type EncryptionInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Output only. The type of encryption.
+	EncryptionType EncryptionInfo_Type `protobuf:"varint,3,opt,name=encryption_type,json=encryptionType,proto3,enum=google.spanner.admin.database.v1.EncryptionInfo_Type" json:"encryption_type,omitempty"`
+	// Output only. If present, the status of a recent encrypt/decrypt call on
+	// underlying data for this database or backup. Regardless of status, data is
+	// always encrypted at rest.
+	EncryptionStatus *status.Status `protobuf:"bytes,4,opt,name=encryption_status,json=encryptionStatus,proto3" json:"encryption_status,omitempty"`
+	// Output only. A Cloud KMS key version that is being used to protect the
+	// database or backup.
+	KmsKeyVersion string `protobuf:"bytes,2,opt,name=kms_key_version,json=kmsKeyVersion,proto3" json:"kms_key_version,omitempty"`
+}
+
+func (x *EncryptionInfo) Reset() {
+	*x = EncryptionInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EncryptionInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EncryptionInfo) ProtoMessage() {}
+
+func (x *EncryptionInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_common_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EncryptionInfo.ProtoReflect.Descriptor instead.
+func (*EncryptionInfo) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_common_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *EncryptionInfo) GetEncryptionType() EncryptionInfo_Type {
+	if x != nil {
+		return x.EncryptionType
+	}
+	return EncryptionInfo_TYPE_UNSPECIFIED
+}
+
+func (x *EncryptionInfo) GetEncryptionStatus() *status.Status {
+	if x != nil {
+		return x.EncryptionStatus
+	}
+	return nil
+}
+
+func (x *EncryptionInfo) GetKmsKeyVersion() string {
+	if x != nil {
+		return x.KmsKeyVersion
+	}
+	return ""
+}
+
+var File_google_spanner_admin_database_v1_common_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_database_v1_common_proto_rawDesc = []byte{
+	0x0a, 0x2d, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x73, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72,
+	0x2f, 0x61, 0x64, 0x6d, 0x69, 0x6e, 0x2f, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x2f,
+	0x76, 0x31, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x73, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x2e,
+	0x61, 0x64, 0x6d, 0x69, 0x6e, 0x2e, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x76,
+	0x31, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x66, 0x69,
+	0x65, 0x6c, 0x64, 0x5f, 0x62, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x1a, 0x19, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x72,
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+}
+
+var (
+	file_google_spanner_admin_database_v1_common_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_database_v1_common_proto_rawDescData = file_google_spanner_admin_database_v1_common_proto_rawDesc
+)
+
+func file_google_spanner_admin_database_v1_common_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_database_v1_common_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_database_v1_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_database_v1_common_proto_rawDescData)
+	})
+	return file_google_spanner_admin_database_v1_common_proto_rawDescData
+}
+
+var file_google_spanner_admin_database_v1_common_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_google_spanner_admin_database_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_google_spanner_admin_database_v1_common_proto_goTypes = []any{
+	(DatabaseDialect)(0),          // 0: google.spanner.admin.database.v1.DatabaseDialect
+	(EncryptionInfo_Type)(0),      // 1: google.spanner.admin.database.v1.EncryptionInfo.Type
+	(*OperationProgress)(nil),     // 2: google.spanner.admin.database.v1.OperationProgress
+	(*EncryptionConfig)(nil),      // 3: google.spanner.admin.database.v1.EncryptionConfig
+	(*EncryptionInfo)(nil),        // 4: google.spanner.admin.database.v1.EncryptionInfo
+	(*timestamppb.Timestamp)(nil), // 5: google.protobuf.Timestamp
+	(*status.Status)(nil),         // 6: google.rpc.Status
+}
+var file_google_spanner_admin_database_v1_common_proto_depIdxs = []int32{
+	5, // 0: google.spanner.admin.database.v1.OperationProgress.start_time:type_name -> google.protobuf.Timestamp
+	5, // 1: google.spanner.admin.database.v1.OperationProgress.end_time:type_name -> google.protobuf.Timestamp
+	1, // 2: google.spanner.admin.database.v1.EncryptionInfo.encryption_type:type_name -> google.spanner.admin.database.v1.EncryptionInfo.Type
+	6, // 3: google.spanner.admin.database.v1.EncryptionInfo.encryption_status:type_name -> google.rpc.Status
+	4, // [4:4] is the sub-list for method output_type
+	4, // [4:4] is the sub-list for method input_type
+	4, // [4:4] is the sub-list for extension type_name
+	4, // [4:4] is the sub-list for extension extendee
+	0, // [0:4] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_database_v1_common_proto_init() }
+func file_google_spanner_admin_database_v1_common_proto_init() {
+	if File_google_spanner_admin_database_v1_common_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_database_v1_common_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*OperationProgress); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_common_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*EncryptionConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_common_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*EncryptionInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_database_v1_common_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_spanner_admin_database_v1_common_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_database_v1_common_proto_depIdxs,
+		EnumInfos:         file_google_spanner_admin_database_v1_common_proto_enumTypes,
+		MessageInfos:      file_google_spanner_admin_database_v1_common_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_database_v1_common_proto = out.File
+	file_google_spanner_admin_database_v1_common_proto_rawDesc = nil
+	file_google_spanner_admin_database_v1_common_proto_goTypes = nil
+	file_google_spanner_admin_database_v1_common_proto_depIdxs = nil
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/spanner_database_admin.pb.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/spanner_database_admin.pb.go
new file mode 100644
index 000000000..2be6d9793
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/databasepb/spanner_database_admin.pb.go
@@ -0,0 +1,4807 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/database/v1/spanner_database_admin.proto
+
+package databasepb
+
+import (
+	context "context"
+	reflect "reflect"
+	sync "sync"
+
+	iampb "cloud.google.com/go/iam/apiv1/iampb"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	fieldmaskpb "google.golang.org/protobuf/types/known/fieldmaskpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Indicates the type of the restore source.
+type RestoreSourceType int32
+
+const (
+	// No restore associated.
+	RestoreSourceType_TYPE_UNSPECIFIED RestoreSourceType = 0
+	// A backup was used as the source of the restore.
+	RestoreSourceType_BACKUP RestoreSourceType = 1
+)
+
+// Enum value maps for RestoreSourceType.
+var (
+	RestoreSourceType_name = map[int32]string{
+		0: "TYPE_UNSPECIFIED",
+		1: "BACKUP",
+	}
+	RestoreSourceType_value = map[string]int32{
+		"TYPE_UNSPECIFIED": 0,
+		"BACKUP":           1,
+	}
+)
+
+func (x RestoreSourceType) Enum() *RestoreSourceType {
+	p := new(RestoreSourceType)
+	*p = x
+	return p
+}
+
+func (x RestoreSourceType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RestoreSourceType) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[0].Descriptor()
+}
+
+func (RestoreSourceType) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[0]
+}
+
+func (x RestoreSourceType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RestoreSourceType.Descriptor instead.
+func (RestoreSourceType) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{0}
+}
+
+// Indicates the current state of the database.
+type Database_State int32
+
+const (
+	// Not specified.
+	Database_STATE_UNSPECIFIED Database_State = 0
+	// The database is still being created. Operations on the database may fail
+	// with `FAILED_PRECONDITION` in this state.
+	Database_CREATING Database_State = 1
+	// The database is fully created and ready for use.
+	Database_READY Database_State = 2
+	// The database is fully created and ready for use, but is still
+	// being optimized for performance and cannot handle full load.
+	//
+	// In this state, the database still references the backup
+	// it was restore from, preventing the backup
+	// from being deleted. When optimizations are complete, the full performance
+	// of the database will be restored, and the database will transition to
+	// `READY` state.
+	Database_READY_OPTIMIZING Database_State = 3
+)
+
+// Enum value maps for Database_State.
+var (
+	Database_State_name = map[int32]string{
+		0: "STATE_UNSPECIFIED",
+		1: "CREATING",
+		2: "READY",
+		3: "READY_OPTIMIZING",
+	}
+	Database_State_value = map[string]int32{
+		"STATE_UNSPECIFIED": 0,
+		"CREATING":          1,
+		"READY":             2,
+		"READY_OPTIMIZING":  3,
+	}
+)
+
+func (x Database_State) Enum() *Database_State {
+	p := new(Database_State)
+	*p = x
+	return p
+}
+
+func (x Database_State) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Database_State) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[1].Descriptor()
+}
+
+func (Database_State) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[1]
+}
+
+func (x Database_State) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Database_State.Descriptor instead.
+func (Database_State) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{1, 0}
+}
+
+// Encryption types for the database to be restored.
+type RestoreDatabaseEncryptionConfig_EncryptionType int32
+
+const (
+	// Unspecified. Do not use.
+	RestoreDatabaseEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED RestoreDatabaseEncryptionConfig_EncryptionType = 0
+	// This is the default option when
+	// [encryption_config][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig]
+	// is not specified.
+	RestoreDatabaseEncryptionConfig_USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION RestoreDatabaseEncryptionConfig_EncryptionType = 1
+	// Use Google default encryption.
+	RestoreDatabaseEncryptionConfig_GOOGLE_DEFAULT_ENCRYPTION RestoreDatabaseEncryptionConfig_EncryptionType = 2
+	// Use customer managed encryption. If specified, `kms_key_name` must
+	// must contain a valid Cloud KMS key.
+	RestoreDatabaseEncryptionConfig_CUSTOMER_MANAGED_ENCRYPTION RestoreDatabaseEncryptionConfig_EncryptionType = 3
+)
+
+// Enum value maps for RestoreDatabaseEncryptionConfig_EncryptionType.
+var (
+	RestoreDatabaseEncryptionConfig_EncryptionType_name = map[int32]string{
+		0: "ENCRYPTION_TYPE_UNSPECIFIED",
+		1: "USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION",
+		2: "GOOGLE_DEFAULT_ENCRYPTION",
+		3: "CUSTOMER_MANAGED_ENCRYPTION",
+	}
+	RestoreDatabaseEncryptionConfig_EncryptionType_value = map[string]int32{
+		"ENCRYPTION_TYPE_UNSPECIFIED":             0,
+		"USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION": 1,
+		"GOOGLE_DEFAULT_ENCRYPTION":               2,
+		"CUSTOMER_MANAGED_ENCRYPTION":             3,
+	}
+)
+
+func (x RestoreDatabaseEncryptionConfig_EncryptionType) Enum() *RestoreDatabaseEncryptionConfig_EncryptionType {
+	p := new(RestoreDatabaseEncryptionConfig_EncryptionType)
+	*p = x
+	return p
+}
+
+func (x RestoreDatabaseEncryptionConfig_EncryptionType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RestoreDatabaseEncryptionConfig_EncryptionType) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[2].Descriptor()
+}
+
+func (RestoreDatabaseEncryptionConfig_EncryptionType) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes[2]
+}
+
+func (x RestoreDatabaseEncryptionConfig_EncryptionType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RestoreDatabaseEncryptionConfig_EncryptionType.Descriptor instead.
+func (RestoreDatabaseEncryptionConfig_EncryptionType) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{18, 0}
+}
+
+// Information about the database restore.
+type RestoreInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The type of the restore source.
+	SourceType RestoreSourceType `protobuf:"varint,1,opt,name=source_type,json=sourceType,proto3,enum=google.spanner.admin.database.v1.RestoreSourceType" json:"source_type,omitempty"`
+	// Information about the source used to restore the database.
+	//
+	// Types that are assignable to SourceInfo:
+	//
+	//	*RestoreInfo_BackupInfo
+	SourceInfo isRestoreInfo_SourceInfo `protobuf_oneof:"source_info"`
+}
+
+func (x *RestoreInfo) Reset() {
+	*x = RestoreInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RestoreInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RestoreInfo) ProtoMessage() {}
+
+func (x *RestoreInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RestoreInfo.ProtoReflect.Descriptor instead.
+func (*RestoreInfo) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RestoreInfo) GetSourceType() RestoreSourceType {
+	if x != nil {
+		return x.SourceType
+	}
+	return RestoreSourceType_TYPE_UNSPECIFIED
+}
+
+func (m *RestoreInfo) GetSourceInfo() isRestoreInfo_SourceInfo {
+	if m != nil {
+		return m.SourceInfo
+	}
+	return nil
+}
+
+func (x *RestoreInfo) GetBackupInfo() *BackupInfo {
+	if x, ok := x.GetSourceInfo().(*RestoreInfo_BackupInfo); ok {
+		return x.BackupInfo
+	}
+	return nil
+}
+
+type isRestoreInfo_SourceInfo interface {
+	isRestoreInfo_SourceInfo()
+}
+
+type RestoreInfo_BackupInfo struct {
+	// Information about the backup used to restore the database. The backup
+	// may no longer exist.
+	BackupInfo *BackupInfo `protobuf:"bytes,2,opt,name=backup_info,json=backupInfo,proto3,oneof"`
+}
+
+func (*RestoreInfo_BackupInfo) isRestoreInfo_SourceInfo() {}
+
+// A Cloud Spanner database.
+type Database struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the database. Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`,
+	// where `<database>` is as specified in the `CREATE DATABASE`
+	// statement. This name can be passed to other API methods to
+	// identify the database.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Output only. The current database state.
+	State Database_State `protobuf:"varint,2,opt,name=state,proto3,enum=google.spanner.admin.database.v1.Database_State" json:"state,omitempty"`
+	// Output only. If exists, the time at which the database creation started.
+	CreateTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
+	// Output only. Applicable only for restored databases. Contains information
+	// about the restore source.
+	RestoreInfo *RestoreInfo `protobuf:"bytes,4,opt,name=restore_info,json=restoreInfo,proto3" json:"restore_info,omitempty"`
+	// Output only. For databases that are using customer managed encryption, this
+	// field contains the encryption configuration for the database.
+	// For databases that are using Google default or other types of encryption,
+	// this field is empty.
+	EncryptionConfig *EncryptionConfig `protobuf:"bytes,5,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+	// Output only. For databases that are using customer managed encryption, this
+	// field contains the encryption information for the database, such as
+	// all Cloud KMS key versions that are in use. The `encryption_status' field
+	// inside of each `EncryptionInfo` is not populated.
+	//
+	// For databases that are using Google default or other types of encryption,
+	// this field is empty.
+	//
+	// This field is propagated lazily from the backend. There might be a delay
+	// from when a key version is being used and when it appears in this field.
+	EncryptionInfo []*EncryptionInfo `protobuf:"bytes,8,rep,name=encryption_info,json=encryptionInfo,proto3" json:"encryption_info,omitempty"`
+	// Output only. The period in which Cloud Spanner retains all versions of data
+	// for the database. This is the same as the value of version_retention_period
+	// database option set using
+	// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl].
+	// Defaults to 1 hour, if not set.
+	VersionRetentionPeriod string `protobuf:"bytes,6,opt,name=version_retention_period,json=versionRetentionPeriod,proto3" json:"version_retention_period,omitempty"`
+	// Output only. Earliest timestamp at which older versions of the data can be
+	// read. This value is continuously updated by Cloud Spanner and becomes stale
+	// the moment it is queried. If you are using this value to recover data, make
+	// sure to account for the time from the moment when the value is queried to
+	// the moment when you initiate the recovery.
+	EarliestVersionTime *timestamppb.Timestamp `protobuf:"bytes,7,opt,name=earliest_version_time,json=earliestVersionTime,proto3" json:"earliest_version_time,omitempty"`
+	// Output only. The read-write region which contains the database's leader
+	// replicas.
+	//
+	// This is the same as the value of default_leader
+	// database option set using DatabaseAdmin.CreateDatabase or
+	// DatabaseAdmin.UpdateDatabaseDdl. If not explicitly set, this is empty.
+	DefaultLeader string `protobuf:"bytes,9,opt,name=default_leader,json=defaultLeader,proto3" json:"default_leader,omitempty"`
+	// Output only. The dialect of the Cloud Spanner Database.
+	DatabaseDialect DatabaseDialect `protobuf:"varint,10,opt,name=database_dialect,json=databaseDialect,proto3,enum=google.spanner.admin.database.v1.DatabaseDialect" json:"database_dialect,omitempty"`
+	// Whether drop protection is enabled for this database. Defaults to false,
+	// if not set. For more details, please see how to [prevent accidental
+	// database
+	// deletion](https://cloud.google.com/spanner/docs/prevent-database-deletion).
+	EnableDropProtection bool `protobuf:"varint,11,opt,name=enable_drop_protection,json=enableDropProtection,proto3" json:"enable_drop_protection,omitempty"`
+	// Output only. If true, the database is being updated. If false, there are no
+	// ongoing update operations for the database.
+	Reconciling bool `protobuf:"varint,12,opt,name=reconciling,proto3" json:"reconciling,omitempty"`
+}
+
+func (x *Database) Reset() {
+	*x = Database{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Database) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Database) ProtoMessage() {}
+
+func (x *Database) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Database.ProtoReflect.Descriptor instead.
+func (*Database) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Database) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Database) GetState() Database_State {
+	if x != nil {
+		return x.State
+	}
+	return Database_STATE_UNSPECIFIED
+}
+
+func (x *Database) GetCreateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreateTime
+	}
+	return nil
+}
+
+func (x *Database) GetRestoreInfo() *RestoreInfo {
+	if x != nil {
+		return x.RestoreInfo
+	}
+	return nil
+}
+
+func (x *Database) GetEncryptionConfig() *EncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+func (x *Database) GetEncryptionInfo() []*EncryptionInfo {
+	if x != nil {
+		return x.EncryptionInfo
+	}
+	return nil
+}
+
+func (x *Database) GetVersionRetentionPeriod() string {
+	if x != nil {
+		return x.VersionRetentionPeriod
+	}
+	return ""
+}
+
+func (x *Database) GetEarliestVersionTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EarliestVersionTime
+	}
+	return nil
+}
+
+func (x *Database) GetDefaultLeader() string {
+	if x != nil {
+		return x.DefaultLeader
+	}
+	return ""
+}
+
+func (x *Database) GetDatabaseDialect() DatabaseDialect {
+	if x != nil {
+		return x.DatabaseDialect
+	}
+	return DatabaseDialect_DATABASE_DIALECT_UNSPECIFIED
+}
+
+func (x *Database) GetEnableDropProtection() bool {
+	if x != nil {
+		return x.EnableDropProtection
+	}
+	return false
+}
+
+func (x *Database) GetReconciling() bool {
+	if x != nil {
+		return x.Reconciling
+	}
+	return false
+}
+
+// The request for
+// [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
+type ListDatabasesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance whose databases should be listed.
+	// Values are of the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Number of databases to be returned in the response. If 0 or less,
+	// defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token]
+	// from a previous
+	// [ListDatabasesResponse][google.spanner.admin.database.v1.ListDatabasesResponse].
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListDatabasesRequest) Reset() {
+	*x = ListDatabasesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabasesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabasesRequest) ProtoMessage() {}
+
+func (x *ListDatabasesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabasesRequest.ProtoReflect.Descriptor instead.
+func (*ListDatabasesRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ListDatabasesRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListDatabasesRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListDatabasesRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
+type ListDatabasesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Databases that matched the request.
+	Databases []*Database `protobuf:"bytes,1,rep,name=databases,proto3" json:"databases,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases]
+	// call to fetch more of the matching databases.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListDatabasesResponse) Reset() {
+	*x = ListDatabasesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabasesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabasesResponse) ProtoMessage() {}
+
+func (x *ListDatabasesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabasesResponse.ProtoReflect.Descriptor instead.
+func (*ListDatabasesResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ListDatabasesResponse) GetDatabases() []*Database {
+	if x != nil {
+		return x.Databases
+	}
+	return nil
+}
+
+func (x *ListDatabasesResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [CreateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase].
+type CreateDatabaseRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance that will serve the new database.
+	// Values are of the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. A `CREATE DATABASE` statement, which specifies the ID of the
+	// new database.  The database ID must conform to the regular expression
+	// `[a-z][a-z0-9_\-]*[a-z0-9]` and be between 2 and 30 characters in length.
+	// If the database ID is a reserved word or if it contains a hyphen, the
+	// database ID must be enclosed in backticks (“ ` “).
+	CreateStatement string `protobuf:"bytes,2,opt,name=create_statement,json=createStatement,proto3" json:"create_statement,omitempty"`
+	// Optional. A list of DDL statements to run inside the newly created
+	// database. Statements can create tables, indexes, etc. These
+	// statements execute atomically with the creation of the database:
+	// if there is an error in any statement, the database is not created.
+	ExtraStatements []string `protobuf:"bytes,3,rep,name=extra_statements,json=extraStatements,proto3" json:"extra_statements,omitempty"`
+	// Optional. The encryption configuration for the database. If this field is
+	// not specified, Cloud Spanner will encrypt/decrypt all data at rest using
+	// Google default encryption.
+	EncryptionConfig *EncryptionConfig `protobuf:"bytes,4,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+	// Optional. The dialect of the Cloud Spanner Database.
+	DatabaseDialect DatabaseDialect `protobuf:"varint,5,opt,name=database_dialect,json=databaseDialect,proto3,enum=google.spanner.admin.database.v1.DatabaseDialect" json:"database_dialect,omitempty"`
+	// Optional. Proto descriptors used by CREATE/ALTER PROTO BUNDLE statements in
+	// 'extra_statements' above.
+	// Contains a protobuf-serialized
+	// [google.protobuf.FileDescriptorSet](https://github.com/protocolbuffers/protobuf/blob/main/src/google/protobuf/descriptor.proto).
+	// To generate it, [install](https://grpc.io/docs/protoc-installation/) and
+	// run `protoc` with --include_imports and --descriptor_set_out. For example,
+	// to generate for moon/shot/app.proto, run
+	// ```
+	//
+	//	$protoc  --proto_path=/app_path --proto_path=/lib_path \
+	//	         --include_imports \
+	//	         --descriptor_set_out=descriptors.data \
+	//	         moon/shot/app.proto
+	//
+	// ```
+	// For more details, see protobuffer [self
+	// description](https://developers.google.com/protocol-buffers/docs/techniques#self-description).
+	ProtoDescriptors []byte `protobuf:"bytes,6,opt,name=proto_descriptors,json=protoDescriptors,proto3" json:"proto_descriptors,omitempty"`
+}
+
+func (x *CreateDatabaseRequest) Reset() {
+	*x = CreateDatabaseRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateDatabaseRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateDatabaseRequest) ProtoMessage() {}
+
+func (x *CreateDatabaseRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateDatabaseRequest.ProtoReflect.Descriptor instead.
+func (*CreateDatabaseRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *CreateDatabaseRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateDatabaseRequest) GetCreateStatement() string {
+	if x != nil {
+		return x.CreateStatement
+	}
+	return ""
+}
+
+func (x *CreateDatabaseRequest) GetExtraStatements() []string {
+	if x != nil {
+		return x.ExtraStatements
+	}
+	return nil
+}
+
+func (x *CreateDatabaseRequest) GetEncryptionConfig() *EncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+func (x *CreateDatabaseRequest) GetDatabaseDialect() DatabaseDialect {
+	if x != nil {
+		return x.DatabaseDialect
+	}
+	return DatabaseDialect_DATABASE_DIALECT_UNSPECIFIED
+}
+
+func (x *CreateDatabaseRequest) GetProtoDescriptors() []byte {
+	if x != nil {
+		return x.ProtoDescriptors
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [CreateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase].
+type CreateDatabaseMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The database being created.
+	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+}
+
+func (x *CreateDatabaseMetadata) Reset() {
+	*x = CreateDatabaseMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateDatabaseMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateDatabaseMetadata) ProtoMessage() {}
+
+func (x *CreateDatabaseMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateDatabaseMetadata.ProtoReflect.Descriptor instead.
+func (*CreateDatabaseMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *CreateDatabaseMetadata) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+// The request for
+// [GetDatabase][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabase].
+type GetDatabaseRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the requested database. Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *GetDatabaseRequest) Reset() {
+	*x = GetDatabaseRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetDatabaseRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetDatabaseRequest) ProtoMessage() {}
+
+func (x *GetDatabaseRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetDatabaseRequest.ProtoReflect.Descriptor instead.
+func (*GetDatabaseRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *GetDatabaseRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [UpdateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase].
+type UpdateDatabaseRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The database to update.
+	// The `name` field of the database is of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`.
+	Database *Database `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+	// Required. The list of fields to update. Currently, only
+	// `enable_drop_protection` field can be updated.
+	UpdateMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=update_mask,json=updateMask,proto3" json:"update_mask,omitempty"`
+}
+
+func (x *UpdateDatabaseRequest) Reset() {
+	*x = UpdateDatabaseRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateDatabaseRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateDatabaseRequest) ProtoMessage() {}
+
+func (x *UpdateDatabaseRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateDatabaseRequest.ProtoReflect.Descriptor instead.
+func (*UpdateDatabaseRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *UpdateDatabaseRequest) GetDatabase() *Database {
+	if x != nil {
+		return x.Database
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.UpdateMask
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [UpdateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase].
+type UpdateDatabaseMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The request for
+	// [UpdateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase].
+	Request *UpdateDatabaseRequest `protobuf:"bytes,1,opt,name=request,proto3" json:"request,omitempty"`
+	// The progress of the
+	// [UpdateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,2,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which this operation was cancelled. If set, this operation is
+	// in the process of undoing itself (which is best-effort).
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *UpdateDatabaseMetadata) Reset() {
+	*x = UpdateDatabaseMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateDatabaseMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateDatabaseMetadata) ProtoMessage() {}
+
+func (x *UpdateDatabaseMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateDatabaseMetadata.ProtoReflect.Descriptor instead.
+func (*UpdateDatabaseMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *UpdateDatabaseMetadata) GetRequest() *UpdateDatabaseRequest {
+	if x != nil {
+		return x.Request
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// Enqueues the given DDL statements to be applied, in order but not
+// necessarily all at once, to the database schema at some point (or
+// points) in the future. The server checks that the statements
+// are executable (syntactically valid, name tables that exist, etc.)
+// before enqueueing them, but they may still fail upon
+// later execution (e.g., if a statement from another batch of
+// statements is applied first and it conflicts in some way, or if
+// there is some data-related problem like a `NULL` value in a column to
+// which `NOT NULL` would be added). If a statement fails, all
+// subsequent statements in the batch are automatically cancelled.
+//
+// Each batch of statements is assigned a name which can be used with
+// the [Operations][google.longrunning.Operations] API to monitor
+// progress. See the
+// [operation_id][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.operation_id]
+// field for more details.
+type UpdateDatabaseDdlRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The database to update.
+	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+	// Required. DDL statements to be applied to the database.
+	Statements []string `protobuf:"bytes,2,rep,name=statements,proto3" json:"statements,omitempty"`
+	// If empty, the new update request is assigned an
+	// automatically-generated operation ID. Otherwise, `operation_id`
+	// is used to construct the name of the resulting
+	// [Operation][google.longrunning.Operation].
+	//
+	// Specifying an explicit operation ID simplifies determining
+	// whether the statements were executed in the event that the
+	// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]
+	// call is replayed, or the return value is otherwise lost: the
+	// [database][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.database]
+	// and `operation_id` fields can be combined to form the
+	// [name][google.longrunning.Operation.name] of the resulting
+	// [longrunning.Operation][google.longrunning.Operation]:
+	// `<database>/operations/<operation_id>`.
+	//
+	// `operation_id` should be unique within the database, and must be
+	// a valid identifier: `[a-z][a-z0-9_]*`. Note that
+	// automatically-generated operation IDs always begin with an
+	// underscore. If the named operation already exists,
+	// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]
+	// returns `ALREADY_EXISTS`.
+	OperationId string `protobuf:"bytes,3,opt,name=operation_id,json=operationId,proto3" json:"operation_id,omitempty"`
+	// Optional. Proto descriptors used by CREATE/ALTER PROTO BUNDLE statements.
+	// Contains a protobuf-serialized
+	// [google.protobuf.FileDescriptorSet](https://github.com/protocolbuffers/protobuf/blob/main/src/google/protobuf/descriptor.proto).
+	// To generate it, [install](https://grpc.io/docs/protoc-installation/) and
+	// run `protoc` with --include_imports and --descriptor_set_out. For example,
+	// to generate for moon/shot/app.proto, run
+	// ```
+	//
+	//	$protoc  --proto_path=/app_path --proto_path=/lib_path \
+	//	         --include_imports \
+	//	         --descriptor_set_out=descriptors.data \
+	//	         moon/shot/app.proto
+	//
+	// ```
+	// For more details, see protobuffer [self
+	// description](https://developers.google.com/protocol-buffers/docs/techniques#self-description).
+	ProtoDescriptors []byte `protobuf:"bytes,4,opt,name=proto_descriptors,json=protoDescriptors,proto3" json:"proto_descriptors,omitempty"`
+}
+
+func (x *UpdateDatabaseDdlRequest) Reset() {
+	*x = UpdateDatabaseDdlRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateDatabaseDdlRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateDatabaseDdlRequest) ProtoMessage() {}
+
+func (x *UpdateDatabaseDdlRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateDatabaseDdlRequest.ProtoReflect.Descriptor instead.
+func (*UpdateDatabaseDdlRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *UpdateDatabaseDdlRequest) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+func (x *UpdateDatabaseDdlRequest) GetStatements() []string {
+	if x != nil {
+		return x.Statements
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseDdlRequest) GetOperationId() string {
+	if x != nil {
+		return x.OperationId
+	}
+	return ""
+}
+
+func (x *UpdateDatabaseDdlRequest) GetProtoDescriptors() []byte {
+	if x != nil {
+		return x.ProtoDescriptors
+	}
+	return nil
+}
+
+// Action information extracted from a DDL statement. This proto is used to
+// display the brief info of the DDL statement for the operation
+// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl].
+type DdlStatementActionInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The action for the DDL statement, e.g. CREATE, ALTER, DROP, GRANT, etc.
+	// This field is a non-empty string.
+	Action string `protobuf:"bytes,1,opt,name=action,proto3" json:"action,omitempty"`
+	// The entity type for the DDL statement, e.g. TABLE, INDEX, VIEW, etc.
+	// This field can be empty string for some DDL statement,
+	// e.g. for statement "ANALYZE", `entity_type` = "".
+	EntityType string `protobuf:"bytes,2,opt,name=entity_type,json=entityType,proto3" json:"entity_type,omitempty"`
+	// The entity name(s) being operated on the DDL statement.
+	// E.g.
+	// 1. For statement "CREATE TABLE t1(...)", `entity_names` = ["t1"].
+	// 2. For statement "GRANT ROLE r1, r2 ...", `entity_names` = ["r1", "r2"].
+	// 3. For statement "ANALYZE", `entity_names` = [].
+	EntityNames []string `protobuf:"bytes,3,rep,name=entity_names,json=entityNames,proto3" json:"entity_names,omitempty"`
+}
+
+func (x *DdlStatementActionInfo) Reset() {
+	*x = DdlStatementActionInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DdlStatementActionInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DdlStatementActionInfo) ProtoMessage() {}
+
+func (x *DdlStatementActionInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DdlStatementActionInfo.ProtoReflect.Descriptor instead.
+func (*DdlStatementActionInfo) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *DdlStatementActionInfo) GetAction() string {
+	if x != nil {
+		return x.Action
+	}
+	return ""
+}
+
+func (x *DdlStatementActionInfo) GetEntityType() string {
+	if x != nil {
+		return x.EntityType
+	}
+	return ""
+}
+
+func (x *DdlStatementActionInfo) GetEntityNames() []string {
+	if x != nil {
+		return x.EntityNames
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl].
+type UpdateDatabaseDdlMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The database being modified.
+	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+	// For an update this list contains all the statements. For an
+	// individual statement, this list contains only that statement.
+	Statements []string `protobuf:"bytes,2,rep,name=statements,proto3" json:"statements,omitempty"`
+	// Reports the commit timestamps of all statements that have
+	// succeeded so far, where `commit_timestamps[i]` is the commit
+	// timestamp for the statement `statements[i]`.
+	CommitTimestamps []*timestamppb.Timestamp `protobuf:"bytes,3,rep,name=commit_timestamps,json=commitTimestamps,proto3" json:"commit_timestamps,omitempty"`
+	// Output only. When true, indicates that the operation is throttled e.g.
+	// due to resource constraints. When resources become available the operation
+	// will resume and this field will be false again.
+	Throttled bool `protobuf:"varint,4,opt,name=throttled,proto3" json:"throttled,omitempty"`
+	// The progress of the
+	// [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]
+	// operations. All DDL statements will have continuously updating progress,
+	// and `progress[i]` is the operation progress for `statements[i]`. Also,
+	// `progress[i]` will have start time and end time populated with commit
+	// timestamp of operation, as well as a progress of 100% once the operation
+	// has completed.
+	Progress []*OperationProgress `protobuf:"bytes,5,rep,name=progress,proto3" json:"progress,omitempty"`
+	// The brief action info for the DDL statements.
+	// `actions[i]` is the brief info for `statements[i]`.
+	Actions []*DdlStatementActionInfo `protobuf:"bytes,6,rep,name=actions,proto3" json:"actions,omitempty"`
+}
+
+func (x *UpdateDatabaseDdlMetadata) Reset() {
+	*x = UpdateDatabaseDdlMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateDatabaseDdlMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateDatabaseDdlMetadata) ProtoMessage() {}
+
+func (x *UpdateDatabaseDdlMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateDatabaseDdlMetadata.ProtoReflect.Descriptor instead.
+func (*UpdateDatabaseDdlMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetStatements() []string {
+	if x != nil {
+		return x.Statements
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetCommitTimestamps() []*timestamppb.Timestamp {
+	if x != nil {
+		return x.CommitTimestamps
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetThrottled() bool {
+	if x != nil {
+		return x.Throttled
+	}
+	return false
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetProgress() []*OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *UpdateDatabaseDdlMetadata) GetActions() []*DdlStatementActionInfo {
+	if x != nil {
+		return x.Actions
+	}
+	return nil
+}
+
+// The request for
+// [DropDatabase][google.spanner.admin.database.v1.DatabaseAdmin.DropDatabase].
+type DropDatabaseRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The database to be dropped.
+	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+}
+
+func (x *DropDatabaseRequest) Reset() {
+	*x = DropDatabaseRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DropDatabaseRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DropDatabaseRequest) ProtoMessage() {}
+
+func (x *DropDatabaseRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DropDatabaseRequest.ProtoReflect.Descriptor instead.
+func (*DropDatabaseRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *DropDatabaseRequest) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+// The request for
+// [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
+type GetDatabaseDdlRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The database whose schema we wish to get.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`
+	Database string `protobuf:"bytes,1,opt,name=database,proto3" json:"database,omitempty"`
+}
+
+func (x *GetDatabaseDdlRequest) Reset() {
+	*x = GetDatabaseDdlRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetDatabaseDdlRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetDatabaseDdlRequest) ProtoMessage() {}
+
+func (x *GetDatabaseDdlRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetDatabaseDdlRequest.ProtoReflect.Descriptor instead.
+func (*GetDatabaseDdlRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *GetDatabaseDdlRequest) GetDatabase() string {
+	if x != nil {
+		return x.Database
+	}
+	return ""
+}
+
+// The response for
+// [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
+type GetDatabaseDdlResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// A list of formatted DDL statements defining the schema of the database
+	// specified in the request.
+	Statements []string `protobuf:"bytes,1,rep,name=statements,proto3" json:"statements,omitempty"`
+	// Proto descriptors stored in the database.
+	// Contains a protobuf-serialized
+	// [google.protobuf.FileDescriptorSet](https://github.com/protocolbuffers/protobuf/blob/main/src/google/protobuf/descriptor.proto).
+	// For more details, see protobuffer [self
+	// description](https://developers.google.com/protocol-buffers/docs/techniques#self-description).
+	ProtoDescriptors []byte `protobuf:"bytes,2,opt,name=proto_descriptors,json=protoDescriptors,proto3" json:"proto_descriptors,omitempty"`
+}
+
+func (x *GetDatabaseDdlResponse) Reset() {
+	*x = GetDatabaseDdlResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetDatabaseDdlResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetDatabaseDdlResponse) ProtoMessage() {}
+
+func (x *GetDatabaseDdlResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetDatabaseDdlResponse.ProtoReflect.Descriptor instead.
+func (*GetDatabaseDdlResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *GetDatabaseDdlResponse) GetStatements() []string {
+	if x != nil {
+		return x.Statements
+	}
+	return nil
+}
+
+func (x *GetDatabaseDdlResponse) GetProtoDescriptors() []byte {
+	if x != nil {
+		return x.ProtoDescriptors
+	}
+	return nil
+}
+
+// The request for
+// [ListDatabaseOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseOperations].
+type ListDatabaseOperationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance of the database operations.
+	// Values are of the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// An expression that filters the list of returned operations.
+	//
+	// A filter expression consists of a field name, a
+	// comparison operator, and a value for filtering.
+	// The value must be a string, a number, or a boolean. The comparison operator
+	// must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
+	// Colon `:` is the contains operator. Filter rules are not case sensitive.
+	//
+	// The following fields in the [Operation][google.longrunning.Operation]
+	// are eligible for filtering:
+	//
+	//   - `name` - The name of the long-running operation
+	//   - `done` - False if the operation is in progress, else true.
+	//   - `metadata.@type` - the type of metadata. For example, the type string
+	//     for
+	//     [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata]
+	//     is
+	//     `type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata`.
+	//   - `metadata.<field_name>` - any field in metadata.value.
+	//     `metadata.@type` must be specified first, if filtering on metadata
+	//     fields.
+	//   - `error` - Error associated with the long-running operation.
+	//   - `response.@type` - the type of response.
+	//   - `response.<field_name>` - any field in response.value.
+	//
+	// You can combine multiple expressions by enclosing each expression in
+	// parentheses. By default, expressions are combined with AND logic. However,
+	// you can specify AND, OR, and NOT logic explicitly.
+	//
+	// Here are a few examples:
+	//
+	//   - `done:true` - The operation is complete.
+	//   - `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata) AND` \
+	//     `(metadata.source_type:BACKUP) AND` \
+	//     `(metadata.backup_info.backup:backup_howl) AND` \
+	//     `(metadata.name:restored_howl) AND` \
+	//     `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
+	//     `(error:*)` - Return operations where:
+	//   - The operation's metadata type is
+	//     [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata].
+	//   - The database is restored from a backup.
+	//   - The backup name contains "backup_howl".
+	//   - The restored database's name contains "restored_howl".
+	//   - The operation started before 2018-03-28T14:50:00Z.
+	//   - The operation resulted in an error.
+	Filter string `protobuf:"bytes,2,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Number of operations to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListDatabaseOperationsResponse.next_page_token]
+	// from a previous
+	// [ListDatabaseOperationsResponse][google.spanner.admin.database.v1.ListDatabaseOperationsResponse]
+	// to the same `parent` and with the same `filter`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListDatabaseOperationsRequest) Reset() {
+	*x = ListDatabaseOperationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabaseOperationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabaseOperationsRequest) ProtoMessage() {}
+
+func (x *ListDatabaseOperationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabaseOperationsRequest.ProtoReflect.Descriptor instead.
+func (*ListDatabaseOperationsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *ListDatabaseOperationsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListDatabaseOperationsRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListDatabaseOperationsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListDatabaseOperationsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListDatabaseOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseOperations].
+type ListDatabaseOperationsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of matching database [long-running
+	// operations][google.longrunning.Operation]. Each operation's name will be
+	// prefixed by the database's name. The operation's
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata.
+	Operations []*longrunningpb.Operation `protobuf:"bytes,1,rep,name=operations,proto3" json:"operations,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListDatabaseOperations][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseOperations]
+	// call to fetch more of the matching metadata.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListDatabaseOperationsResponse) Reset() {
+	*x = ListDatabaseOperationsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabaseOperationsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabaseOperationsResponse) ProtoMessage() {}
+
+func (x *ListDatabaseOperationsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabaseOperationsResponse.ProtoReflect.Descriptor instead.
+func (*ListDatabaseOperationsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *ListDatabaseOperationsResponse) GetOperations() []*longrunningpb.Operation {
+	if x != nil {
+		return x.Operations
+	}
+	return nil
+}
+
+func (x *ListDatabaseOperationsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [RestoreDatabase][google.spanner.admin.database.v1.DatabaseAdmin.RestoreDatabase].
+type RestoreDatabaseRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance in which to create the
+	// restored database. This instance must be in the same project and
+	// have the same instance configuration as the instance containing
+	// the source backup. Values are of the form
+	// `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The id of the database to create and restore to. This
+	// database must not already exist. The `database_id` appended to
+	// `parent` forms the full database name of the form
+	// `projects/<project>/instances/<instance>/databases/<database_id>`.
+	DatabaseId string `protobuf:"bytes,2,opt,name=database_id,json=databaseId,proto3" json:"database_id,omitempty"`
+	// Required. The source from which to restore.
+	//
+	// Types that are assignable to Source:
+	//
+	//	*RestoreDatabaseRequest_Backup
+	Source isRestoreDatabaseRequest_Source `protobuf_oneof:"source"`
+	// Optional. An encryption configuration describing the encryption type and
+	// key resources in Cloud KMS used to encrypt/decrypt the database to restore
+	// to. If this field is not specified, the restored database will use the same
+	// encryption configuration as the backup by default, namely
+	// [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type]
+	// = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+	EncryptionConfig *RestoreDatabaseEncryptionConfig `protobuf:"bytes,4,opt,name=encryption_config,json=encryptionConfig,proto3" json:"encryption_config,omitempty"`
+}
+
+func (x *RestoreDatabaseRequest) Reset() {
+	*x = RestoreDatabaseRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RestoreDatabaseRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RestoreDatabaseRequest) ProtoMessage() {}
+
+func (x *RestoreDatabaseRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RestoreDatabaseRequest.ProtoReflect.Descriptor instead.
+func (*RestoreDatabaseRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *RestoreDatabaseRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *RestoreDatabaseRequest) GetDatabaseId() string {
+	if x != nil {
+		return x.DatabaseId
+	}
+	return ""
+}
+
+func (m *RestoreDatabaseRequest) GetSource() isRestoreDatabaseRequest_Source {
+	if m != nil {
+		return m.Source
+	}
+	return nil
+}
+
+func (x *RestoreDatabaseRequest) GetBackup() string {
+	if x, ok := x.GetSource().(*RestoreDatabaseRequest_Backup); ok {
+		return x.Backup
+	}
+	return ""
+}
+
+func (x *RestoreDatabaseRequest) GetEncryptionConfig() *RestoreDatabaseEncryptionConfig {
+	if x != nil {
+		return x.EncryptionConfig
+	}
+	return nil
+}
+
+type isRestoreDatabaseRequest_Source interface {
+	isRestoreDatabaseRequest_Source()
+}
+
+type RestoreDatabaseRequest_Backup struct {
+	// Name of the backup from which to restore.  Values are of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>`.
+	Backup string `protobuf:"bytes,3,opt,name=backup,proto3,oneof"`
+}
+
+func (*RestoreDatabaseRequest_Backup) isRestoreDatabaseRequest_Source() {}
+
+// Encryption configuration for the restored database.
+type RestoreDatabaseEncryptionConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The encryption type of the restored database.
+	EncryptionType RestoreDatabaseEncryptionConfig_EncryptionType `protobuf:"varint,1,opt,name=encryption_type,json=encryptionType,proto3,enum=google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig_EncryptionType" json:"encryption_type,omitempty"`
+	// Optional. The Cloud KMS key that will be used to encrypt/decrypt the
+	// restored database. This field should be set only when
+	// [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type]
+	// is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	KmsKeyName string `protobuf:"bytes,2,opt,name=kms_key_name,json=kmsKeyName,proto3" json:"kms_key_name,omitempty"`
+	// Optional. Specifies the KMS configuration for the one or more keys used to
+	// encrypt the database. Values are of the form
+	// `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+	//
+	// The keys referenced by kms_key_names must fully cover all
+	// regions of the database instance configuration. Some examples:
+	// * For single region database instance configs, specify a single regional
+	// location KMS key.
+	// * For multi-regional database instance configs of type GOOGLE_MANAGED,
+	// either specify a multi-regional location KMS key or multiple regional
+	// location KMS keys that cover all regions in the instance config.
+	// * For a database instance config of type USER_MANAGED, please specify only
+	// regional location KMS keys to cover each region in the instance config.
+	// Multi-regional location KMS keys are not supported for USER_MANAGED
+	// instance configs.
+	KmsKeyNames []string `protobuf:"bytes,3,rep,name=kms_key_names,json=kmsKeyNames,proto3" json:"kms_key_names,omitempty"`
+}
+
+func (x *RestoreDatabaseEncryptionConfig) Reset() {
+	*x = RestoreDatabaseEncryptionConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RestoreDatabaseEncryptionConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RestoreDatabaseEncryptionConfig) ProtoMessage() {}
+
+func (x *RestoreDatabaseEncryptionConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[18]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RestoreDatabaseEncryptionConfig.ProtoReflect.Descriptor instead.
+func (*RestoreDatabaseEncryptionConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{18}
+}
+
+func (x *RestoreDatabaseEncryptionConfig) GetEncryptionType() RestoreDatabaseEncryptionConfig_EncryptionType {
+	if x != nil {
+		return x.EncryptionType
+	}
+	return RestoreDatabaseEncryptionConfig_ENCRYPTION_TYPE_UNSPECIFIED
+}
+
+func (x *RestoreDatabaseEncryptionConfig) GetKmsKeyName() string {
+	if x != nil {
+		return x.KmsKeyName
+	}
+	return ""
+}
+
+func (x *RestoreDatabaseEncryptionConfig) GetKmsKeyNames() []string {
+	if x != nil {
+		return x.KmsKeyNames
+	}
+	return nil
+}
+
+// Metadata type for the long-running operation returned by
+// [RestoreDatabase][google.spanner.admin.database.v1.DatabaseAdmin.RestoreDatabase].
+type RestoreDatabaseMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Name of the database being created and restored to.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The type of the restore source.
+	SourceType RestoreSourceType `protobuf:"varint,2,opt,name=source_type,json=sourceType,proto3,enum=google.spanner.admin.database.v1.RestoreSourceType" json:"source_type,omitempty"`
+	// Information about the source used to restore the database, as specified by
+	// `source` in
+	// [RestoreDatabaseRequest][google.spanner.admin.database.v1.RestoreDatabaseRequest].
+	//
+	// Types that are assignable to SourceInfo:
+	//
+	//	*RestoreDatabaseMetadata_BackupInfo
+	SourceInfo isRestoreDatabaseMetadata_SourceInfo `protobuf_oneof:"source_info"`
+	// The progress of the
+	// [RestoreDatabase][google.spanner.admin.database.v1.DatabaseAdmin.RestoreDatabase]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,4,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which cancellation of this operation was received.
+	// [Operations.CancelOperation][google.longrunning.Operations.CancelOperation]
+	// starts asynchronous cancellation on a long-running operation. The server
+	// makes a best effort to cancel the operation, but success is not guaranteed.
+	// Clients can use
+	// [Operations.GetOperation][google.longrunning.Operations.GetOperation] or
+	// other methods to check whether the cancellation succeeded or whether the
+	// operation completed despite cancellation. On successful cancellation,
+	// the operation is not deleted; instead, it becomes an operation with
+	// an [Operation.error][google.longrunning.Operation.error] value with a
+	// [google.rpc.Status.code][google.rpc.Status.code] of 1, corresponding to
+	// `Code.CANCELLED`.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+	// If exists, the name of the long-running operation that will be used to
+	// track the post-restore optimization process to optimize the performance of
+	// the restored database, and remove the dependency on the restore source.
+	// The name is of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation>`
+	// where the <database> is the name of database being created and restored to.
+	// The metadata type of the  long-running operation is
+	// [OptimizeRestoredDatabaseMetadata][google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata].
+	// This long-running operation will be automatically created by the system
+	// after the RestoreDatabase long-running operation completes successfully.
+	// This operation will not be created if the restore was not successful.
+	OptimizeDatabaseOperationName string `protobuf:"bytes,6,opt,name=optimize_database_operation_name,json=optimizeDatabaseOperationName,proto3" json:"optimize_database_operation_name,omitempty"`
+}
+
+func (x *RestoreDatabaseMetadata) Reset() {
+	*x = RestoreDatabaseMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[19]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RestoreDatabaseMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RestoreDatabaseMetadata) ProtoMessage() {}
+
+func (x *RestoreDatabaseMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[19]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RestoreDatabaseMetadata.ProtoReflect.Descriptor instead.
+func (*RestoreDatabaseMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{19}
+}
+
+func (x *RestoreDatabaseMetadata) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *RestoreDatabaseMetadata) GetSourceType() RestoreSourceType {
+	if x != nil {
+		return x.SourceType
+	}
+	return RestoreSourceType_TYPE_UNSPECIFIED
+}
+
+func (m *RestoreDatabaseMetadata) GetSourceInfo() isRestoreDatabaseMetadata_SourceInfo {
+	if m != nil {
+		return m.SourceInfo
+	}
+	return nil
+}
+
+func (x *RestoreDatabaseMetadata) GetBackupInfo() *BackupInfo {
+	if x, ok := x.GetSourceInfo().(*RestoreDatabaseMetadata_BackupInfo); ok {
+		return x.BackupInfo
+	}
+	return nil
+}
+
+func (x *RestoreDatabaseMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *RestoreDatabaseMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+func (x *RestoreDatabaseMetadata) GetOptimizeDatabaseOperationName() string {
+	if x != nil {
+		return x.OptimizeDatabaseOperationName
+	}
+	return ""
+}
+
+type isRestoreDatabaseMetadata_SourceInfo interface {
+	isRestoreDatabaseMetadata_SourceInfo()
+}
+
+type RestoreDatabaseMetadata_BackupInfo struct {
+	// Information about the backup used to restore the database.
+	BackupInfo *BackupInfo `protobuf:"bytes,3,opt,name=backup_info,json=backupInfo,proto3,oneof"`
+}
+
+func (*RestoreDatabaseMetadata_BackupInfo) isRestoreDatabaseMetadata_SourceInfo() {}
+
+// Metadata type for the long-running operation used to track the progress
+// of optimizations performed on a newly restored database. This long-running
+// operation is automatically created by the system after the successful
+// completion of a database restore, and cannot be cancelled.
+type OptimizeRestoredDatabaseMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Name of the restored database being optimized.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The progress of the post-restore optimizations.
+	Progress *OperationProgress `protobuf:"bytes,2,opt,name=progress,proto3" json:"progress,omitempty"`
+}
+
+func (x *OptimizeRestoredDatabaseMetadata) Reset() {
+	*x = OptimizeRestoredDatabaseMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[20]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OptimizeRestoredDatabaseMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OptimizeRestoredDatabaseMetadata) ProtoMessage() {}
+
+func (x *OptimizeRestoredDatabaseMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[20]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OptimizeRestoredDatabaseMetadata.ProtoReflect.Descriptor instead.
+func (*OptimizeRestoredDatabaseMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{20}
+}
+
+func (x *OptimizeRestoredDatabaseMetadata) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *OptimizeRestoredDatabaseMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+// A Cloud Spanner database role.
+type DatabaseRole struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the database role. Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/databaseRoles/<role>`
+	// where `<role>` is as specified in the `CREATE ROLE` DDL statement.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *DatabaseRole) Reset() {
+	*x = DatabaseRole{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DatabaseRole) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DatabaseRole) ProtoMessage() {}
+
+func (x *DatabaseRole) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[21]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DatabaseRole.ProtoReflect.Descriptor instead.
+func (*DatabaseRole) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{21}
+}
+
+func (x *DatabaseRole) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
+type ListDatabaseRolesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The database whose roles should be listed.
+	// Values are of the form
+	// `projects/<project>/instances/<instance>/databases/<database>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Number of database roles to be returned in the response. If 0 or less,
+	// defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token]
+	// from a previous
+	// [ListDatabaseRolesResponse][google.spanner.admin.database.v1.ListDatabaseRolesResponse].
+	PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListDatabaseRolesRequest) Reset() {
+	*x = ListDatabaseRolesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[22]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabaseRolesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabaseRolesRequest) ProtoMessage() {}
+
+func (x *ListDatabaseRolesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[22]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabaseRolesRequest.ProtoReflect.Descriptor instead.
+func (*ListDatabaseRolesRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *ListDatabaseRolesRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListDatabaseRolesRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListDatabaseRolesRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
+type ListDatabaseRolesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Database roles that matched the request.
+	DatabaseRoles []*DatabaseRole `protobuf:"bytes,1,rep,name=database_roles,json=databaseRoles,proto3" json:"database_roles,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles]
+	// call to fetch more of the matching roles.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListDatabaseRolesResponse) Reset() {
+	*x = ListDatabaseRolesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[23]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListDatabaseRolesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListDatabaseRolesResponse) ProtoMessage() {}
+
+func (x *ListDatabaseRolesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[23]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListDatabaseRolesResponse.ProtoReflect.Descriptor instead.
+func (*ListDatabaseRolesResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP(), []int{23}
+}
+
+func (x *ListDatabaseRolesResponse) GetDatabaseRoles() []*DatabaseRole {
+	if x != nil {
+		return x.DatabaseRoles
+	}
+	return nil
+}
+
+func (x *ListDatabaseRolesResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+var File_google_spanner_admin_database_v1_spanner_database_admin_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDesc = []byte{
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+	0x67, 0x6f, 0x2f, 0x73, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x2f, 0x61, 0x64, 0x6d, 0x69, 0x6e,
+	0x2f, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x2f, 0x61, 0x70, 0x69, 0x76, 0x31, 0x2f,
+	0x64, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x70, 0x62, 0x3b, 0x64, 0x61, 0x74, 0x61, 0x62,
+	0x61, 0x73, 0x65, 0x70, 0x62, 0xaa, 0x02, 0x26, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x43,
+	0x6c, 0x6f, 0x75, 0x64, 0x2e, 0x53, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x2e, 0x41, 0x64, 0x6d,
+	0x69, 0x6e, 0x2e, 0x44, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73, 0x65, 0x2e, 0x56, 0x31, 0xca, 0x02,
+	0x26, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x5c, 0x43, 0x6c, 0x6f, 0x75, 0x64, 0x5c, 0x53, 0x70,
+	0x61, 0x6e, 0x6e, 0x65, 0x72, 0x5c, 0x41, 0x64, 0x6d, 0x69, 0x6e, 0x5c, 0x44, 0x61, 0x74, 0x61,
+	0x62, 0x61, 0x73, 0x65, 0x5c, 0x56, 0x31, 0xea, 0x02, 0x2b, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
+	0x3a, 0x3a, 0x43, 0x6c, 0x6f, 0x75, 0x64, 0x3a, 0x3a, 0x53, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72,
+	0x3a, 0x3a, 0x41, 0x64, 0x6d, 0x69, 0x6e, 0x3a, 0x3a, 0x44, 0x61, 0x74, 0x61, 0x62, 0x61, 0x73,
+	0x65, 0x3a, 0x3a, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescData = file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDesc
+)
+
+func file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescData)
+	})
+	return file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDescData
+}
+
+var file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes = make([]protoimpl.MessageInfo, 24)
+var file_google_spanner_admin_database_v1_spanner_database_admin_proto_goTypes = []any{
+	(RestoreSourceType)(0),                              // 0: google.spanner.admin.database.v1.RestoreSourceType
+	(Database_State)(0),                                 // 1: google.spanner.admin.database.v1.Database.State
+	(RestoreDatabaseEncryptionConfig_EncryptionType)(0), // 2: google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType
+	(*RestoreInfo)(nil),                                 // 3: google.spanner.admin.database.v1.RestoreInfo
+	(*Database)(nil),                                    // 4: google.spanner.admin.database.v1.Database
+	(*ListDatabasesRequest)(nil),                        // 5: google.spanner.admin.database.v1.ListDatabasesRequest
+	(*ListDatabasesResponse)(nil),                       // 6: google.spanner.admin.database.v1.ListDatabasesResponse
+	(*CreateDatabaseRequest)(nil),                       // 7: google.spanner.admin.database.v1.CreateDatabaseRequest
+	(*CreateDatabaseMetadata)(nil),                      // 8: google.spanner.admin.database.v1.CreateDatabaseMetadata
+	(*GetDatabaseRequest)(nil),                          // 9: google.spanner.admin.database.v1.GetDatabaseRequest
+	(*UpdateDatabaseRequest)(nil),                       // 10: google.spanner.admin.database.v1.UpdateDatabaseRequest
+	(*UpdateDatabaseMetadata)(nil),                      // 11: google.spanner.admin.database.v1.UpdateDatabaseMetadata
+	(*UpdateDatabaseDdlRequest)(nil),                    // 12: google.spanner.admin.database.v1.UpdateDatabaseDdlRequest
+	(*DdlStatementActionInfo)(nil),                      // 13: google.spanner.admin.database.v1.DdlStatementActionInfo
+	(*UpdateDatabaseDdlMetadata)(nil),                   // 14: google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata
+	(*DropDatabaseRequest)(nil),                         // 15: google.spanner.admin.database.v1.DropDatabaseRequest
+	(*GetDatabaseDdlRequest)(nil),                       // 16: google.spanner.admin.database.v1.GetDatabaseDdlRequest
+	(*GetDatabaseDdlResponse)(nil),                      // 17: google.spanner.admin.database.v1.GetDatabaseDdlResponse
+	(*ListDatabaseOperationsRequest)(nil),               // 18: google.spanner.admin.database.v1.ListDatabaseOperationsRequest
+	(*ListDatabaseOperationsResponse)(nil),              // 19: google.spanner.admin.database.v1.ListDatabaseOperationsResponse
+	(*RestoreDatabaseRequest)(nil),                      // 20: google.spanner.admin.database.v1.RestoreDatabaseRequest
+	(*RestoreDatabaseEncryptionConfig)(nil),             // 21: google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig
+	(*RestoreDatabaseMetadata)(nil),                     // 22: google.spanner.admin.database.v1.RestoreDatabaseMetadata
+	(*OptimizeRestoredDatabaseMetadata)(nil),            // 23: google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata
+	(*DatabaseRole)(nil),                                // 24: google.spanner.admin.database.v1.DatabaseRole
+	(*ListDatabaseRolesRequest)(nil),                    // 25: google.spanner.admin.database.v1.ListDatabaseRolesRequest
+	(*ListDatabaseRolesResponse)(nil),                   // 26: google.spanner.admin.database.v1.ListDatabaseRolesResponse
+	(*BackupInfo)(nil),                                  // 27: google.spanner.admin.database.v1.BackupInfo
+	(*timestamppb.Timestamp)(nil),                       // 28: google.protobuf.Timestamp
+	(*EncryptionConfig)(nil),                            // 29: google.spanner.admin.database.v1.EncryptionConfig
+	(*EncryptionInfo)(nil),                              // 30: google.spanner.admin.database.v1.EncryptionInfo
+	(DatabaseDialect)(0),                                // 31: google.spanner.admin.database.v1.DatabaseDialect
+	(*fieldmaskpb.FieldMask)(nil),                       // 32: google.protobuf.FieldMask
+	(*OperationProgress)(nil),                           // 33: google.spanner.admin.database.v1.OperationProgress
+	(*longrunningpb.Operation)(nil),                     // 34: google.longrunning.Operation
+	(*iampb.SetIamPolicyRequest)(nil),                   // 35: google.iam.v1.SetIamPolicyRequest
+	(*iampb.GetIamPolicyRequest)(nil),                   // 36: google.iam.v1.GetIamPolicyRequest
+	(*iampb.TestIamPermissionsRequest)(nil),             // 37: google.iam.v1.TestIamPermissionsRequest
+	(*CreateBackupRequest)(nil),                         // 38: google.spanner.admin.database.v1.CreateBackupRequest
+	(*CopyBackupRequest)(nil),                           // 39: google.spanner.admin.database.v1.CopyBackupRequest
+	(*GetBackupRequest)(nil),                            // 40: google.spanner.admin.database.v1.GetBackupRequest
+	(*UpdateBackupRequest)(nil),                         // 41: google.spanner.admin.database.v1.UpdateBackupRequest
+	(*DeleteBackupRequest)(nil),                         // 42: google.spanner.admin.database.v1.DeleteBackupRequest
+	(*ListBackupsRequest)(nil),                          // 43: google.spanner.admin.database.v1.ListBackupsRequest
+	(*ListBackupOperationsRequest)(nil),                 // 44: google.spanner.admin.database.v1.ListBackupOperationsRequest
+	(*CreateBackupScheduleRequest)(nil),                 // 45: google.spanner.admin.database.v1.CreateBackupScheduleRequest
+	(*GetBackupScheduleRequest)(nil),                    // 46: google.spanner.admin.database.v1.GetBackupScheduleRequest
+	(*UpdateBackupScheduleRequest)(nil),                 // 47: google.spanner.admin.database.v1.UpdateBackupScheduleRequest
+	(*DeleteBackupScheduleRequest)(nil),                 // 48: google.spanner.admin.database.v1.DeleteBackupScheduleRequest
+	(*ListBackupSchedulesRequest)(nil),                  // 49: google.spanner.admin.database.v1.ListBackupSchedulesRequest
+	(*emptypb.Empty)(nil),                               // 50: google.protobuf.Empty
+	(*iampb.Policy)(nil),                                // 51: google.iam.v1.Policy
+	(*iampb.TestIamPermissionsResponse)(nil),            // 52: google.iam.v1.TestIamPermissionsResponse
+	(*Backup)(nil),                                      // 53: google.spanner.admin.database.v1.Backup
+	(*ListBackupsResponse)(nil),                         // 54: google.spanner.admin.database.v1.ListBackupsResponse
+	(*ListBackupOperationsResponse)(nil),                // 55: google.spanner.admin.database.v1.ListBackupOperationsResponse
+	(*BackupSchedule)(nil),                              // 56: google.spanner.admin.database.v1.BackupSchedule
+	(*ListBackupSchedulesResponse)(nil),                 // 57: google.spanner.admin.database.v1.ListBackupSchedulesResponse
+}
+var file_google_spanner_admin_database_v1_spanner_database_admin_proto_depIdxs = []int32{
+	0,  // 0: google.spanner.admin.database.v1.RestoreInfo.source_type:type_name -> google.spanner.admin.database.v1.RestoreSourceType
+	27, // 1: google.spanner.admin.database.v1.RestoreInfo.backup_info:type_name -> google.spanner.admin.database.v1.BackupInfo
+	1,  // 2: google.spanner.admin.database.v1.Database.state:type_name -> google.spanner.admin.database.v1.Database.State
+	28, // 3: google.spanner.admin.database.v1.Database.create_time:type_name -> google.protobuf.Timestamp
+	3,  // 4: google.spanner.admin.database.v1.Database.restore_info:type_name -> google.spanner.admin.database.v1.RestoreInfo
+	29, // 5: google.spanner.admin.database.v1.Database.encryption_config:type_name -> google.spanner.admin.database.v1.EncryptionConfig
+	30, // 6: google.spanner.admin.database.v1.Database.encryption_info:type_name -> google.spanner.admin.database.v1.EncryptionInfo
+	28, // 7: google.spanner.admin.database.v1.Database.earliest_version_time:type_name -> google.protobuf.Timestamp
+	31, // 8: google.spanner.admin.database.v1.Database.database_dialect:type_name -> google.spanner.admin.database.v1.DatabaseDialect
+	4,  // 9: google.spanner.admin.database.v1.ListDatabasesResponse.databases:type_name -> google.spanner.admin.database.v1.Database
+	29, // 10: google.spanner.admin.database.v1.CreateDatabaseRequest.encryption_config:type_name -> google.spanner.admin.database.v1.EncryptionConfig
+	31, // 11: google.spanner.admin.database.v1.CreateDatabaseRequest.database_dialect:type_name -> google.spanner.admin.database.v1.DatabaseDialect
+	4,  // 12: google.spanner.admin.database.v1.UpdateDatabaseRequest.database:type_name -> google.spanner.admin.database.v1.Database
+	32, // 13: google.spanner.admin.database.v1.UpdateDatabaseRequest.update_mask:type_name -> google.protobuf.FieldMask
+	10, // 14: google.spanner.admin.database.v1.UpdateDatabaseMetadata.request:type_name -> google.spanner.admin.database.v1.UpdateDatabaseRequest
+	33, // 15: google.spanner.admin.database.v1.UpdateDatabaseMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	28, // 16: google.spanner.admin.database.v1.UpdateDatabaseMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	28, // 17: google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata.commit_timestamps:type_name -> google.protobuf.Timestamp
+	33, // 18: google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	13, // 19: google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata.actions:type_name -> google.spanner.admin.database.v1.DdlStatementActionInfo
+	34, // 20: google.spanner.admin.database.v1.ListDatabaseOperationsResponse.operations:type_name -> google.longrunning.Operation
+	21, // 21: google.spanner.admin.database.v1.RestoreDatabaseRequest.encryption_config:type_name -> google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig
+	2,  // 22: google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type:type_name -> google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType
+	0,  // 23: google.spanner.admin.database.v1.RestoreDatabaseMetadata.source_type:type_name -> google.spanner.admin.database.v1.RestoreSourceType
+	27, // 24: google.spanner.admin.database.v1.RestoreDatabaseMetadata.backup_info:type_name -> google.spanner.admin.database.v1.BackupInfo
+	33, // 25: google.spanner.admin.database.v1.RestoreDatabaseMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	28, // 26: google.spanner.admin.database.v1.RestoreDatabaseMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	33, // 27: google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata.progress:type_name -> google.spanner.admin.database.v1.OperationProgress
+	24, // 28: google.spanner.admin.database.v1.ListDatabaseRolesResponse.database_roles:type_name -> google.spanner.admin.database.v1.DatabaseRole
+	5,  // 29: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases:input_type -> google.spanner.admin.database.v1.ListDatabasesRequest
+	7,  // 30: google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase:input_type -> google.spanner.admin.database.v1.CreateDatabaseRequest
+	9,  // 31: google.spanner.admin.database.v1.DatabaseAdmin.GetDatabase:input_type -> google.spanner.admin.database.v1.GetDatabaseRequest
+	10, // 32: google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase:input_type -> google.spanner.admin.database.v1.UpdateDatabaseRequest
+	12, // 33: google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl:input_type -> google.spanner.admin.database.v1.UpdateDatabaseDdlRequest
+	15, // 34: google.spanner.admin.database.v1.DatabaseAdmin.DropDatabase:input_type -> google.spanner.admin.database.v1.DropDatabaseRequest
+	16, // 35: google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl:input_type -> google.spanner.admin.database.v1.GetDatabaseDdlRequest
+	35, // 36: google.spanner.admin.database.v1.DatabaseAdmin.SetIamPolicy:input_type -> google.iam.v1.SetIamPolicyRequest
+	36, // 37: google.spanner.admin.database.v1.DatabaseAdmin.GetIamPolicy:input_type -> google.iam.v1.GetIamPolicyRequest
+	37, // 38: google.spanner.admin.database.v1.DatabaseAdmin.TestIamPermissions:input_type -> google.iam.v1.TestIamPermissionsRequest
+	38, // 39: google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup:input_type -> google.spanner.admin.database.v1.CreateBackupRequest
+	39, // 40: google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup:input_type -> google.spanner.admin.database.v1.CopyBackupRequest
+	40, // 41: google.spanner.admin.database.v1.DatabaseAdmin.GetBackup:input_type -> google.spanner.admin.database.v1.GetBackupRequest
+	41, // 42: google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup:input_type -> google.spanner.admin.database.v1.UpdateBackupRequest
+	42, // 43: google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackup:input_type -> google.spanner.admin.database.v1.DeleteBackupRequest
+	43, // 44: google.spanner.admin.database.v1.DatabaseAdmin.ListBackups:input_type -> google.spanner.admin.database.v1.ListBackupsRequest
+	20, // 45: google.spanner.admin.database.v1.DatabaseAdmin.RestoreDatabase:input_type -> google.spanner.admin.database.v1.RestoreDatabaseRequest
+	18, // 46: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseOperations:input_type -> google.spanner.admin.database.v1.ListDatabaseOperationsRequest
+	44, // 47: google.spanner.admin.database.v1.DatabaseAdmin.ListBackupOperations:input_type -> google.spanner.admin.database.v1.ListBackupOperationsRequest
+	25, // 48: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles:input_type -> google.spanner.admin.database.v1.ListDatabaseRolesRequest
+	45, // 49: google.spanner.admin.database.v1.DatabaseAdmin.CreateBackupSchedule:input_type -> google.spanner.admin.database.v1.CreateBackupScheduleRequest
+	46, // 50: google.spanner.admin.database.v1.DatabaseAdmin.GetBackupSchedule:input_type -> google.spanner.admin.database.v1.GetBackupScheduleRequest
+	47, // 51: google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackupSchedule:input_type -> google.spanner.admin.database.v1.UpdateBackupScheduleRequest
+	48, // 52: google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackupSchedule:input_type -> google.spanner.admin.database.v1.DeleteBackupScheduleRequest
+	49, // 53: google.spanner.admin.database.v1.DatabaseAdmin.ListBackupSchedules:input_type -> google.spanner.admin.database.v1.ListBackupSchedulesRequest
+	6,  // 54: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases:output_type -> google.spanner.admin.database.v1.ListDatabasesResponse
+	34, // 55: google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase:output_type -> google.longrunning.Operation
+	4,  // 56: google.spanner.admin.database.v1.DatabaseAdmin.GetDatabase:output_type -> google.spanner.admin.database.v1.Database
+	34, // 57: google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase:output_type -> google.longrunning.Operation
+	34, // 58: google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl:output_type -> google.longrunning.Operation
+	50, // 59: google.spanner.admin.database.v1.DatabaseAdmin.DropDatabase:output_type -> google.protobuf.Empty
+	17, // 60: google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl:output_type -> google.spanner.admin.database.v1.GetDatabaseDdlResponse
+	51, // 61: google.spanner.admin.database.v1.DatabaseAdmin.SetIamPolicy:output_type -> google.iam.v1.Policy
+	51, // 62: google.spanner.admin.database.v1.DatabaseAdmin.GetIamPolicy:output_type -> google.iam.v1.Policy
+	52, // 63: google.spanner.admin.database.v1.DatabaseAdmin.TestIamPermissions:output_type -> google.iam.v1.TestIamPermissionsResponse
+	34, // 64: google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup:output_type -> google.longrunning.Operation
+	34, // 65: google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup:output_type -> google.longrunning.Operation
+	53, // 66: google.spanner.admin.database.v1.DatabaseAdmin.GetBackup:output_type -> google.spanner.admin.database.v1.Backup
+	53, // 67: google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup:output_type -> google.spanner.admin.database.v1.Backup
+	50, // 68: google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackup:output_type -> google.protobuf.Empty
+	54, // 69: google.spanner.admin.database.v1.DatabaseAdmin.ListBackups:output_type -> google.spanner.admin.database.v1.ListBackupsResponse
+	34, // 70: google.spanner.admin.database.v1.DatabaseAdmin.RestoreDatabase:output_type -> google.longrunning.Operation
+	19, // 71: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseOperations:output_type -> google.spanner.admin.database.v1.ListDatabaseOperationsResponse
+	55, // 72: google.spanner.admin.database.v1.DatabaseAdmin.ListBackupOperations:output_type -> google.spanner.admin.database.v1.ListBackupOperationsResponse
+	26, // 73: google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles:output_type -> google.spanner.admin.database.v1.ListDatabaseRolesResponse
+	56, // 74: google.spanner.admin.database.v1.DatabaseAdmin.CreateBackupSchedule:output_type -> google.spanner.admin.database.v1.BackupSchedule
+	56, // 75: google.spanner.admin.database.v1.DatabaseAdmin.GetBackupSchedule:output_type -> google.spanner.admin.database.v1.BackupSchedule
+	56, // 76: google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackupSchedule:output_type -> google.spanner.admin.database.v1.BackupSchedule
+	50, // 77: google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackupSchedule:output_type -> google.protobuf.Empty
+	57, // 78: google.spanner.admin.database.v1.DatabaseAdmin.ListBackupSchedules:output_type -> google.spanner.admin.database.v1.ListBackupSchedulesResponse
+	54, // [54:79] is the sub-list for method output_type
+	29, // [29:54] is the sub-list for method input_type
+	29, // [29:29] is the sub-list for extension type_name
+	29, // [29:29] is the sub-list for extension extendee
+	0,  // [0:29] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_database_v1_spanner_database_admin_proto_init() }
+func file_google_spanner_admin_database_v1_spanner_database_admin_proto_init() {
+	if File_google_spanner_admin_database_v1_spanner_database_admin_proto != nil {
+		return
+	}
+	file_google_spanner_admin_database_v1_backup_proto_init()
+	file_google_spanner_admin_database_v1_backup_schedule_proto_init()
+	file_google_spanner_admin_database_v1_common_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*RestoreInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*Database); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabasesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabasesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateDatabaseRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateDatabaseMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*GetDatabaseRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateDatabaseRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateDatabaseMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateDatabaseDdlRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*DdlStatementActionInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateDatabaseDdlMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*DropDatabaseRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[13].Exporter = func(v any, i int) any {
+			switch v := v.(*GetDatabaseDdlRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[14].Exporter = func(v any, i int) any {
+			switch v := v.(*GetDatabaseDdlResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[15].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabaseOperationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[16].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabaseOperationsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[17].Exporter = func(v any, i int) any {
+			switch v := v.(*RestoreDatabaseRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[18].Exporter = func(v any, i int) any {
+			switch v := v.(*RestoreDatabaseEncryptionConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[19].Exporter = func(v any, i int) any {
+			switch v := v.(*RestoreDatabaseMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[20].Exporter = func(v any, i int) any {
+			switch v := v.(*OptimizeRestoredDatabaseMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[21].Exporter = func(v any, i int) any {
+			switch v := v.(*DatabaseRole); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[22].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabaseRolesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[23].Exporter = func(v any, i int) any {
+			switch v := v.(*ListDatabaseRolesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[0].OneofWrappers = []any{
+		(*RestoreInfo_BackupInfo)(nil),
+	}
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[17].OneofWrappers = []any{
+		(*RestoreDatabaseRequest_Backup)(nil),
+	}
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes[19].OneofWrappers = []any{
+		(*RestoreDatabaseMetadata_BackupInfo)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDesc,
+			NumEnums:      3,
+			NumMessages:   24,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_google_spanner_admin_database_v1_spanner_database_admin_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_database_v1_spanner_database_admin_proto_depIdxs,
+		EnumInfos:         file_google_spanner_admin_database_v1_spanner_database_admin_proto_enumTypes,
+		MessageInfos:      file_google_spanner_admin_database_v1_spanner_database_admin_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_database_v1_spanner_database_admin_proto = out.File
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_rawDesc = nil
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_goTypes = nil
+	file_google_spanner_admin_database_v1_spanner_database_admin_proto_depIdxs = nil
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConnInterface
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion6
+
+// DatabaseAdminClient is the client API for DatabaseAdmin service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type DatabaseAdminClient interface {
+	// Lists Cloud Spanner databases.
+	ListDatabases(ctx context.Context, in *ListDatabasesRequest, opts ...grpc.CallOption) (*ListDatabasesResponse, error)
+	// Creates a new Cloud Spanner database and starts to prepare it for serving.
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<database_name>/operations/<operation_id>` and
+	// can be used to track preparation of the database. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateDatabaseMetadata][google.spanner.admin.database.v1.CreateDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Database][google.spanner.admin.database.v1.Database], if successful.
+	CreateDatabase(ctx context.Context, in *CreateDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Gets the state of a Cloud Spanner database.
+	GetDatabase(ctx context.Context, in *GetDatabaseRequest, opts ...grpc.CallOption) (*Database, error)
+	// Updates a Cloud Spanner database. The returned
+	// [long-running operation][google.longrunning.Operation] can be used to track
+	// the progress of updating the database. If the named database does not
+	// exist, returns `NOT_FOUND`.
+	//
+	// While the operation is pending:
+	//
+	//   - The database's
+	//     [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+	//     field is set to true.
+	//   - Cancelling the operation is best-effort. If the cancellation succeeds,
+	//     the operation metadata's
+	//     [cancel_time][google.spanner.admin.database.v1.UpdateDatabaseMetadata.cancel_time]
+	//     is set, the updates are reverted, and the operation terminates with a
+	//     `CANCELLED` status.
+	//   - New UpdateDatabase requests will return a `FAILED_PRECONDITION` error
+	//     until the pending operation is done (returns successfully or with
+	//     error).
+	//   - Reading the database via the API continues to give the pre-request
+	//     values.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - The new values are in effect and readable via the API.
+	//   - The database's
+	//     [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+	//     field becomes false.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>`
+	// and can be used to track the database modification. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateDatabaseMetadata][google.spanner.admin.database.v1.UpdateDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Database][google.spanner.admin.database.v1.Database], if successful.
+	UpdateDatabase(ctx context.Context, in *UpdateDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Updates the schema of a Cloud Spanner database by
+	// creating/altering/dropping tables, columns, indexes, etc. The returned
+	// [long-running operation][google.longrunning.Operation] will have a name of
+	// the format `<database_name>/operations/<operation_id>` and can be used to
+	// track execution of the schema change(s). The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateDatabaseDdlMetadata][google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata].
+	// The operation has no response.
+	UpdateDatabaseDdl(ctx context.Context, in *UpdateDatabaseDdlRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Drops (aka deletes) a Cloud Spanner database.
+	// Completed backups for the database will be retained according to their
+	// `expire_time`.
+	// Note: Cloud Spanner might continue to accept requests for a few seconds
+	// after the database has been deleted.
+	DropDatabase(ctx context.Context, in *DropDatabaseRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Returns the schema of a Cloud Spanner database as a list of formatted
+	// DDL statements. This method does not show pending schema updates, those may
+	// be queried using the [Operations][google.longrunning.Operations] API.
+	GetDatabaseDdl(ctx context.Context, in *GetDatabaseDdlRequest, opts ...grpc.CallOption) (*GetDatabaseDdlResponse, error)
+	// Sets the access control policy on a database or backup resource.
+	// Replaces any existing policy.
+	//
+	// Authorization requires `spanner.databases.setIamPolicy`
+	// permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	// For backups, authorization requires `spanner.backups.setIamPolicy`
+	// permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	SetIamPolicy(ctx context.Context, in *iampb.SetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error)
+	// Gets the access control policy for a database or backup resource.
+	// Returns an empty policy if a database or backup exists but does not have a
+	// policy set.
+	//
+	// Authorization requires `spanner.databases.getIamPolicy` permission on
+	// [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	// For backups, authorization requires `spanner.backups.getIamPolicy`
+	// permission on [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	GetIamPolicy(ctx context.Context, in *iampb.GetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error)
+	// Returns permissions that the caller has on the specified database or backup
+	// resource.
+	//
+	// Attempting this RPC on a non-existent Cloud Spanner database will
+	// result in a NOT_FOUND error if the user has
+	// `spanner.databases.list` permission on the containing Cloud
+	// Spanner instance. Otherwise returns an empty set of permissions.
+	// Calling this method on a backup that does not exist will
+	// result in a NOT_FOUND error if the user has
+	// `spanner.backups.list` permission on the containing instance.
+	TestIamPermissions(ctx context.Context, in *iampb.TestIamPermissionsRequest, opts ...grpc.CallOption) (*iampb.TestIamPermissionsResponse, error)
+	// Starts creating a new Cloud Spanner Backup.
+	// The returned backup [long-running operation][google.longrunning.Operation]
+	// will have a name of the format
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
+	// and can be used to track creation of the backup. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Backup][google.spanner.admin.database.v1.Backup], if successful.
+	// Cancelling the returned operation will stop the creation and delete the
+	// backup. There can be only one pending backup creation per database. Backup
+	// creation of different databases can run concurrently.
+	CreateBackup(ctx context.Context, in *CreateBackupRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Starts copying a Cloud Spanner Backup.
+	// The returned backup [long-running operation][google.longrunning.Operation]
+	// will have a name of the format
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
+	// and can be used to track copying of the backup. The operation is associated
+	// with the destination backup.
+	// The [metadata][google.longrunning.Operation.metadata] field type is
+	// [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Backup][google.spanner.admin.database.v1.Backup], if successful.
+	// Cancelling the returned operation will stop the copying and delete the
+	// destination backup. Concurrent CopyBackup requests can run on the same
+	// source backup.
+	CopyBackup(ctx context.Context, in *CopyBackupRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Gets metadata on a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	GetBackup(ctx context.Context, in *GetBackupRequest, opts ...grpc.CallOption) (*Backup, error)
+	// Updates a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	UpdateBackup(ctx context.Context, in *UpdateBackupRequest, opts ...grpc.CallOption) (*Backup, error)
+	// Deletes a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	DeleteBackup(ctx context.Context, in *DeleteBackupRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Lists completed and pending backups.
+	// Backups returned are ordered by `create_time` in descending order,
+	// starting from the most recent `create_time`.
+	ListBackups(ctx context.Context, in *ListBackupsRequest, opts ...grpc.CallOption) (*ListBackupsResponse, error)
+	// Create a new database by restoring from a completed backup. The new
+	// database must be in the same project and in an instance with the same
+	// instance configuration as the instance containing
+	// the backup. The returned database [long-running
+	// operation][google.longrunning.Operation] has a name of the format
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>`,
+	// and can be used to track the progress of the operation, and to cancel it.
+	// The [metadata][google.longrunning.Operation.metadata] field type is
+	// [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] type
+	// is [Database][google.spanner.admin.database.v1.Database], if
+	// successful. Cancelling the returned operation will stop the restore and
+	// delete the database.
+	// There can be only one database being restored into an instance at a time.
+	// Once the restore operation completes, a new restore operation can be
+	// initiated, without waiting for the optimize operation associated with the
+	// first restore to complete.
+	RestoreDatabase(ctx context.Context, in *RestoreDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Lists database [longrunning-operations][google.longrunning.Operation].
+	// A database operation has a name of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations.
+	ListDatabaseOperations(ctx context.Context, in *ListDatabaseOperationsRequest, opts ...grpc.CallOption) (*ListDatabaseOperationsResponse, error)
+	// Lists the backup [long-running operations][google.longrunning.Operation] in
+	// the given instance. A backup operation has a name of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.progress.start_time` in descending order starting
+	// from the most recently started operation.
+	ListBackupOperations(ctx context.Context, in *ListBackupOperationsRequest, opts ...grpc.CallOption) (*ListBackupOperationsResponse, error)
+	// Lists Cloud Spanner database roles.
+	ListDatabaseRoles(ctx context.Context, in *ListDatabaseRolesRequest, opts ...grpc.CallOption) (*ListDatabaseRolesResponse, error)
+	// Creates a new backup schedule.
+	CreateBackupSchedule(ctx context.Context, in *CreateBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error)
+	// Gets backup schedule for the input schedule name.
+	GetBackupSchedule(ctx context.Context, in *GetBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error)
+	// Updates a backup schedule.
+	UpdateBackupSchedule(ctx context.Context, in *UpdateBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error)
+	// Deletes a backup schedule.
+	DeleteBackupSchedule(ctx context.Context, in *DeleteBackupScheduleRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Lists all the backup schedules for the database.
+	ListBackupSchedules(ctx context.Context, in *ListBackupSchedulesRequest, opts ...grpc.CallOption) (*ListBackupSchedulesResponse, error)
+}
+
+type databaseAdminClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewDatabaseAdminClient(cc grpc.ClientConnInterface) DatabaseAdminClient {
+	return &databaseAdminClient{cc}
+}
+
+func (c *databaseAdminClient) ListDatabases(ctx context.Context, in *ListDatabasesRequest, opts ...grpc.CallOption) (*ListDatabasesResponse, error) {
+	out := new(ListDatabasesResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabases", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) CreateDatabase(ctx context.Context, in *CreateDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/CreateDatabase", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) GetDatabase(ctx context.Context, in *GetDatabaseRequest, opts ...grpc.CallOption) (*Database, error) {
+	out := new(Database)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/GetDatabase", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) UpdateDatabase(ctx context.Context, in *UpdateDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateDatabase", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) UpdateDatabaseDdl(ctx context.Context, in *UpdateDatabaseDdlRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateDatabaseDdl", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) DropDatabase(ctx context.Context, in *DropDatabaseRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/DropDatabase", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) GetDatabaseDdl(ctx context.Context, in *GetDatabaseDdlRequest, opts ...grpc.CallOption) (*GetDatabaseDdlResponse, error) {
+	out := new(GetDatabaseDdlResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/GetDatabaseDdl", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) SetIamPolicy(ctx context.Context, in *iampb.SetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error) {
+	out := new(iampb.Policy)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/SetIamPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) GetIamPolicy(ctx context.Context, in *iampb.GetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error) {
+	out := new(iampb.Policy)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/GetIamPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) TestIamPermissions(ctx context.Context, in *iampb.TestIamPermissionsRequest, opts ...grpc.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	out := new(iampb.TestIamPermissionsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/TestIamPermissions", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) CreateBackup(ctx context.Context, in *CreateBackupRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/CreateBackup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) CopyBackup(ctx context.Context, in *CopyBackupRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/CopyBackup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) GetBackup(ctx context.Context, in *GetBackupRequest, opts ...grpc.CallOption) (*Backup, error) {
+	out := new(Backup)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/GetBackup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) UpdateBackup(ctx context.Context, in *UpdateBackupRequest, opts ...grpc.CallOption) (*Backup, error) {
+	out := new(Backup)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateBackup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) DeleteBackup(ctx context.Context, in *DeleteBackupRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/DeleteBackup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) ListBackups(ctx context.Context, in *ListBackupsRequest, opts ...grpc.CallOption) (*ListBackupsResponse, error) {
+	out := new(ListBackupsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackups", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) RestoreDatabase(ctx context.Context, in *RestoreDatabaseRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/RestoreDatabase", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) ListDatabaseOperations(ctx context.Context, in *ListDatabaseOperationsRequest, opts ...grpc.CallOption) (*ListDatabaseOperationsResponse, error) {
+	out := new(ListDatabaseOperationsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabaseOperations", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) ListBackupOperations(ctx context.Context, in *ListBackupOperationsRequest, opts ...grpc.CallOption) (*ListBackupOperationsResponse, error) {
+	out := new(ListBackupOperationsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackupOperations", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) ListDatabaseRoles(ctx context.Context, in *ListDatabaseRolesRequest, opts ...grpc.CallOption) (*ListDatabaseRolesResponse, error) {
+	out := new(ListDatabaseRolesResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabaseRoles", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) CreateBackupSchedule(ctx context.Context, in *CreateBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error) {
+	out := new(BackupSchedule)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/CreateBackupSchedule", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) GetBackupSchedule(ctx context.Context, in *GetBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error) {
+	out := new(BackupSchedule)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/GetBackupSchedule", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) UpdateBackupSchedule(ctx context.Context, in *UpdateBackupScheduleRequest, opts ...grpc.CallOption) (*BackupSchedule, error) {
+	out := new(BackupSchedule)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateBackupSchedule", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) DeleteBackupSchedule(ctx context.Context, in *DeleteBackupScheduleRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/DeleteBackupSchedule", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *databaseAdminClient) ListBackupSchedules(ctx context.Context, in *ListBackupSchedulesRequest, opts ...grpc.CallOption) (*ListBackupSchedulesResponse, error) {
+	out := new(ListBackupSchedulesResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackupSchedules", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// DatabaseAdminServer is the server API for DatabaseAdmin service.
+type DatabaseAdminServer interface {
+	// Lists Cloud Spanner databases.
+	ListDatabases(context.Context, *ListDatabasesRequest) (*ListDatabasesResponse, error)
+	// Creates a new Cloud Spanner database and starts to prepare it for serving.
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<database_name>/operations/<operation_id>` and
+	// can be used to track preparation of the database. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateDatabaseMetadata][google.spanner.admin.database.v1.CreateDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Database][google.spanner.admin.database.v1.Database], if successful.
+	CreateDatabase(context.Context, *CreateDatabaseRequest) (*longrunningpb.Operation, error)
+	// Gets the state of a Cloud Spanner database.
+	GetDatabase(context.Context, *GetDatabaseRequest) (*Database, error)
+	// Updates a Cloud Spanner database. The returned
+	// [long-running operation][google.longrunning.Operation] can be used to track
+	// the progress of updating the database. If the named database does not
+	// exist, returns `NOT_FOUND`.
+	//
+	// While the operation is pending:
+	//
+	//   - The database's
+	//     [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+	//     field is set to true.
+	//   - Cancelling the operation is best-effort. If the cancellation succeeds,
+	//     the operation metadata's
+	//     [cancel_time][google.spanner.admin.database.v1.UpdateDatabaseMetadata.cancel_time]
+	//     is set, the updates are reverted, and the operation terminates with a
+	//     `CANCELLED` status.
+	//   - New UpdateDatabase requests will return a `FAILED_PRECONDITION` error
+	//     until the pending operation is done (returns successfully or with
+	//     error).
+	//   - Reading the database via the API continues to give the pre-request
+	//     values.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - The new values are in effect and readable via the API.
+	//   - The database's
+	//     [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+	//     field becomes false.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>`
+	// and can be used to track the database modification. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateDatabaseMetadata][google.spanner.admin.database.v1.UpdateDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Database][google.spanner.admin.database.v1.Database], if successful.
+	UpdateDatabase(context.Context, *UpdateDatabaseRequest) (*longrunningpb.Operation, error)
+	// Updates the schema of a Cloud Spanner database by
+	// creating/altering/dropping tables, columns, indexes, etc. The returned
+	// [long-running operation][google.longrunning.Operation] will have a name of
+	// the format `<database_name>/operations/<operation_id>` and can be used to
+	// track execution of the schema change(s). The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateDatabaseDdlMetadata][google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata].
+	// The operation has no response.
+	UpdateDatabaseDdl(context.Context, *UpdateDatabaseDdlRequest) (*longrunningpb.Operation, error)
+	// Drops (aka deletes) a Cloud Spanner database.
+	// Completed backups for the database will be retained according to their
+	// `expire_time`.
+	// Note: Cloud Spanner might continue to accept requests for a few seconds
+	// after the database has been deleted.
+	DropDatabase(context.Context, *DropDatabaseRequest) (*emptypb.Empty, error)
+	// Returns the schema of a Cloud Spanner database as a list of formatted
+	// DDL statements. This method does not show pending schema updates, those may
+	// be queried using the [Operations][google.longrunning.Operations] API.
+	GetDatabaseDdl(context.Context, *GetDatabaseDdlRequest) (*GetDatabaseDdlResponse, error)
+	// Sets the access control policy on a database or backup resource.
+	// Replaces any existing policy.
+	//
+	// Authorization requires `spanner.databases.setIamPolicy`
+	// permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	// For backups, authorization requires `spanner.backups.setIamPolicy`
+	// permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest) (*iampb.Policy, error)
+	// Gets the access control policy for a database or backup resource.
+	// Returns an empty policy if a database or backup exists but does not have a
+	// policy set.
+	//
+	// Authorization requires `spanner.databases.getIamPolicy` permission on
+	// [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	// For backups, authorization requires `spanner.backups.getIamPolicy`
+	// permission on [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest) (*iampb.Policy, error)
+	// Returns permissions that the caller has on the specified database or backup
+	// resource.
+	//
+	// Attempting this RPC on a non-existent Cloud Spanner database will
+	// result in a NOT_FOUND error if the user has
+	// `spanner.databases.list` permission on the containing Cloud
+	// Spanner instance. Otherwise returns an empty set of permissions.
+	// Calling this method on a backup that does not exist will
+	// result in a NOT_FOUND error if the user has
+	// `spanner.backups.list` permission on the containing instance.
+	TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error)
+	// Starts creating a new Cloud Spanner Backup.
+	// The returned backup [long-running operation][google.longrunning.Operation]
+	// will have a name of the format
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
+	// and can be used to track creation of the backup. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Backup][google.spanner.admin.database.v1.Backup], if successful.
+	// Cancelling the returned operation will stop the creation and delete the
+	// backup. There can be only one pending backup creation per database. Backup
+	// creation of different databases can run concurrently.
+	CreateBackup(context.Context, *CreateBackupRequest) (*longrunningpb.Operation, error)
+	// Starts copying a Cloud Spanner Backup.
+	// The returned backup [long-running operation][google.longrunning.Operation]
+	// will have a name of the format
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
+	// and can be used to track copying of the backup. The operation is associated
+	// with the destination backup.
+	// The [metadata][google.longrunning.Operation.metadata] field type is
+	// [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Backup][google.spanner.admin.database.v1.Backup], if successful.
+	// Cancelling the returned operation will stop the copying and delete the
+	// destination backup. Concurrent CopyBackup requests can run on the same
+	// source backup.
+	CopyBackup(context.Context, *CopyBackupRequest) (*longrunningpb.Operation, error)
+	// Gets metadata on a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	GetBackup(context.Context, *GetBackupRequest) (*Backup, error)
+	// Updates a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	UpdateBackup(context.Context, *UpdateBackupRequest) (*Backup, error)
+	// Deletes a pending or completed
+	// [Backup][google.spanner.admin.database.v1.Backup].
+	DeleteBackup(context.Context, *DeleteBackupRequest) (*emptypb.Empty, error)
+	// Lists completed and pending backups.
+	// Backups returned are ordered by `create_time` in descending order,
+	// starting from the most recent `create_time`.
+	ListBackups(context.Context, *ListBackupsRequest) (*ListBackupsResponse, error)
+	// Create a new database by restoring from a completed backup. The new
+	// database must be in the same project and in an instance with the same
+	// instance configuration as the instance containing
+	// the backup. The returned database [long-running
+	// operation][google.longrunning.Operation] has a name of the format
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>`,
+	// and can be used to track the progress of the operation, and to cancel it.
+	// The [metadata][google.longrunning.Operation.metadata] field type is
+	// [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata].
+	// The [response][google.longrunning.Operation.response] type
+	// is [Database][google.spanner.admin.database.v1.Database], if
+	// successful. Cancelling the returned operation will stop the restore and
+	// delete the database.
+	// There can be only one database being restored into an instance at a time.
+	// Once the restore operation completes, a new restore operation can be
+	// initiated, without waiting for the optimize operation associated with the
+	// first restore to complete.
+	RestoreDatabase(context.Context, *RestoreDatabaseRequest) (*longrunningpb.Operation, error)
+	// Lists database [longrunning-operations][google.longrunning.Operation].
+	// A database operation has a name of the form
+	// `projects/<project>/instances/<instance>/databases/<database>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations.
+	ListDatabaseOperations(context.Context, *ListDatabaseOperationsRequest) (*ListDatabaseOperationsResponse, error)
+	// Lists the backup [long-running operations][google.longrunning.Operation] in
+	// the given instance. A backup operation has a name of the form
+	// `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.progress.start_time` in descending order starting
+	// from the most recently started operation.
+	ListBackupOperations(context.Context, *ListBackupOperationsRequest) (*ListBackupOperationsResponse, error)
+	// Lists Cloud Spanner database roles.
+	ListDatabaseRoles(context.Context, *ListDatabaseRolesRequest) (*ListDatabaseRolesResponse, error)
+	// Creates a new backup schedule.
+	CreateBackupSchedule(context.Context, *CreateBackupScheduleRequest) (*BackupSchedule, error)
+	// Gets backup schedule for the input schedule name.
+	GetBackupSchedule(context.Context, *GetBackupScheduleRequest) (*BackupSchedule, error)
+	// Updates a backup schedule.
+	UpdateBackupSchedule(context.Context, *UpdateBackupScheduleRequest) (*BackupSchedule, error)
+	// Deletes a backup schedule.
+	DeleteBackupSchedule(context.Context, *DeleteBackupScheduleRequest) (*emptypb.Empty, error)
+	// Lists all the backup schedules for the database.
+	ListBackupSchedules(context.Context, *ListBackupSchedulesRequest) (*ListBackupSchedulesResponse, error)
+}
+
+// UnimplementedDatabaseAdminServer can be embedded to have forward compatible implementations.
+type UnimplementedDatabaseAdminServer struct {
+}
+
+func (*UnimplementedDatabaseAdminServer) ListDatabases(context.Context, *ListDatabasesRequest) (*ListDatabasesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListDatabases not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) CreateDatabase(context.Context, *CreateDatabaseRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateDatabase not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) GetDatabase(context.Context, *GetDatabaseRequest) (*Database, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetDatabase not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) UpdateDatabase(context.Context, *UpdateDatabaseRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateDatabase not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) UpdateDatabaseDdl(context.Context, *UpdateDatabaseDdlRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateDatabaseDdl not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) DropDatabase(context.Context, *DropDatabaseRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DropDatabase not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) GetDatabaseDdl(context.Context, *GetDatabaseDdlRequest) (*GetDatabaseDdlResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetDatabaseDdl not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest) (*iampb.Policy, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetIamPolicy not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest) (*iampb.Policy, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetIamPolicy not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method TestIamPermissions not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) CreateBackup(context.Context, *CreateBackupRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateBackup not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) CopyBackup(context.Context, *CopyBackupRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CopyBackup not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) GetBackup(context.Context, *GetBackupRequest) (*Backup, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBackup not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) UpdateBackup(context.Context, *UpdateBackupRequest) (*Backup, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateBackup not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) DeleteBackup(context.Context, *DeleteBackupRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteBackup not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) ListBackups(context.Context, *ListBackupsRequest) (*ListBackupsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListBackups not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) RestoreDatabase(context.Context, *RestoreDatabaseRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RestoreDatabase not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) ListDatabaseOperations(context.Context, *ListDatabaseOperationsRequest) (*ListDatabaseOperationsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListDatabaseOperations not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) ListBackupOperations(context.Context, *ListBackupOperationsRequest) (*ListBackupOperationsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListBackupOperations not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) ListDatabaseRoles(context.Context, *ListDatabaseRolesRequest) (*ListDatabaseRolesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListDatabaseRoles not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) CreateBackupSchedule(context.Context, *CreateBackupScheduleRequest) (*BackupSchedule, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateBackupSchedule not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) GetBackupSchedule(context.Context, *GetBackupScheduleRequest) (*BackupSchedule, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBackupSchedule not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) UpdateBackupSchedule(context.Context, *UpdateBackupScheduleRequest) (*BackupSchedule, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateBackupSchedule not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) DeleteBackupSchedule(context.Context, *DeleteBackupScheduleRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteBackupSchedule not implemented")
+}
+func (*UnimplementedDatabaseAdminServer) ListBackupSchedules(context.Context, *ListBackupSchedulesRequest) (*ListBackupSchedulesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListBackupSchedules not implemented")
+}
+
+func RegisterDatabaseAdminServer(s *grpc.Server, srv DatabaseAdminServer) {
+	s.RegisterService(&_DatabaseAdmin_serviceDesc, srv)
+}
+
+func _DatabaseAdmin_ListDatabases_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListDatabasesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListDatabases(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabases",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListDatabases(ctx, req.(*ListDatabasesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_CreateDatabase_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateDatabaseRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).CreateDatabase(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/CreateDatabase",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).CreateDatabase(ctx, req.(*CreateDatabaseRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_GetDatabase_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetDatabaseRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).GetDatabase(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/GetDatabase",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).GetDatabase(ctx, req.(*GetDatabaseRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_UpdateDatabase_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateDatabaseRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).UpdateDatabase(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateDatabase",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).UpdateDatabase(ctx, req.(*UpdateDatabaseRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_UpdateDatabaseDdl_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateDatabaseDdlRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).UpdateDatabaseDdl(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateDatabaseDdl",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).UpdateDatabaseDdl(ctx, req.(*UpdateDatabaseDdlRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_DropDatabase_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DropDatabaseRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).DropDatabase(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/DropDatabase",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).DropDatabase(ctx, req.(*DropDatabaseRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_GetDatabaseDdl_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetDatabaseDdlRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).GetDatabaseDdl(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/GetDatabaseDdl",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).GetDatabaseDdl(ctx, req.(*GetDatabaseDdlRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_SetIamPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.SetIamPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).SetIamPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/SetIamPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).SetIamPolicy(ctx, req.(*iampb.SetIamPolicyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_GetIamPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.GetIamPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).GetIamPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/GetIamPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).GetIamPolicy(ctx, req.(*iampb.GetIamPolicyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_TestIamPermissions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.TestIamPermissionsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).TestIamPermissions(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/TestIamPermissions",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).TestIamPermissions(ctx, req.(*iampb.TestIamPermissionsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_CreateBackup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateBackupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).CreateBackup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/CreateBackup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).CreateBackup(ctx, req.(*CreateBackupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_CopyBackup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CopyBackupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).CopyBackup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/CopyBackup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).CopyBackup(ctx, req.(*CopyBackupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_GetBackup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBackupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).GetBackup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/GetBackup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).GetBackup(ctx, req.(*GetBackupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_UpdateBackup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateBackupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).UpdateBackup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateBackup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).UpdateBackup(ctx, req.(*UpdateBackupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_DeleteBackup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteBackupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).DeleteBackup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/DeleteBackup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).DeleteBackup(ctx, req.(*DeleteBackupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_ListBackups_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListBackupsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListBackups(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackups",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListBackups(ctx, req.(*ListBackupsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_RestoreDatabase_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RestoreDatabaseRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).RestoreDatabase(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/RestoreDatabase",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).RestoreDatabase(ctx, req.(*RestoreDatabaseRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_ListDatabaseOperations_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListDatabaseOperationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListDatabaseOperations(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabaseOperations",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListDatabaseOperations(ctx, req.(*ListDatabaseOperationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_ListBackupOperations_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListBackupOperationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListBackupOperations(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackupOperations",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListBackupOperations(ctx, req.(*ListBackupOperationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_ListDatabaseRoles_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListDatabaseRolesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListDatabaseRoles(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListDatabaseRoles",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListDatabaseRoles(ctx, req.(*ListDatabaseRolesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_CreateBackupSchedule_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateBackupScheduleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).CreateBackupSchedule(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/CreateBackupSchedule",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).CreateBackupSchedule(ctx, req.(*CreateBackupScheduleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_GetBackupSchedule_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBackupScheduleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).GetBackupSchedule(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/GetBackupSchedule",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).GetBackupSchedule(ctx, req.(*GetBackupScheduleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_UpdateBackupSchedule_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateBackupScheduleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).UpdateBackupSchedule(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/UpdateBackupSchedule",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).UpdateBackupSchedule(ctx, req.(*UpdateBackupScheduleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_DeleteBackupSchedule_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteBackupScheduleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).DeleteBackupSchedule(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/DeleteBackupSchedule",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).DeleteBackupSchedule(ctx, req.(*DeleteBackupScheduleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DatabaseAdmin_ListBackupSchedules_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListBackupSchedulesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DatabaseAdminServer).ListBackupSchedules(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.database.v1.DatabaseAdmin/ListBackupSchedules",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DatabaseAdminServer).ListBackupSchedules(ctx, req.(*ListBackupSchedulesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _DatabaseAdmin_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "google.spanner.admin.database.v1.DatabaseAdmin",
+	HandlerType: (*DatabaseAdminServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ListDatabases",
+			Handler:    _DatabaseAdmin_ListDatabases_Handler,
+		},
+		{
+			MethodName: "CreateDatabase",
+			Handler:    _DatabaseAdmin_CreateDatabase_Handler,
+		},
+		{
+			MethodName: "GetDatabase",
+			Handler:    _DatabaseAdmin_GetDatabase_Handler,
+		},
+		{
+			MethodName: "UpdateDatabase",
+			Handler:    _DatabaseAdmin_UpdateDatabase_Handler,
+		},
+		{
+			MethodName: "UpdateDatabaseDdl",
+			Handler:    _DatabaseAdmin_UpdateDatabaseDdl_Handler,
+		},
+		{
+			MethodName: "DropDatabase",
+			Handler:    _DatabaseAdmin_DropDatabase_Handler,
+		},
+		{
+			MethodName: "GetDatabaseDdl",
+			Handler:    _DatabaseAdmin_GetDatabaseDdl_Handler,
+		},
+		{
+			MethodName: "SetIamPolicy",
+			Handler:    _DatabaseAdmin_SetIamPolicy_Handler,
+		},
+		{
+			MethodName: "GetIamPolicy",
+			Handler:    _DatabaseAdmin_GetIamPolicy_Handler,
+		},
+		{
+			MethodName: "TestIamPermissions",
+			Handler:    _DatabaseAdmin_TestIamPermissions_Handler,
+		},
+		{
+			MethodName: "CreateBackup",
+			Handler:    _DatabaseAdmin_CreateBackup_Handler,
+		},
+		{
+			MethodName: "CopyBackup",
+			Handler:    _DatabaseAdmin_CopyBackup_Handler,
+		},
+		{
+			MethodName: "GetBackup",
+			Handler:    _DatabaseAdmin_GetBackup_Handler,
+		},
+		{
+			MethodName: "UpdateBackup",
+			Handler:    _DatabaseAdmin_UpdateBackup_Handler,
+		},
+		{
+			MethodName: "DeleteBackup",
+			Handler:    _DatabaseAdmin_DeleteBackup_Handler,
+		},
+		{
+			MethodName: "ListBackups",
+			Handler:    _DatabaseAdmin_ListBackups_Handler,
+		},
+		{
+			MethodName: "RestoreDatabase",
+			Handler:    _DatabaseAdmin_RestoreDatabase_Handler,
+		},
+		{
+			MethodName: "ListDatabaseOperations",
+			Handler:    _DatabaseAdmin_ListDatabaseOperations_Handler,
+		},
+		{
+			MethodName: "ListBackupOperations",
+			Handler:    _DatabaseAdmin_ListBackupOperations_Handler,
+		},
+		{
+			MethodName: "ListDatabaseRoles",
+			Handler:    _DatabaseAdmin_ListDatabaseRoles_Handler,
+		},
+		{
+			MethodName: "CreateBackupSchedule",
+			Handler:    _DatabaseAdmin_CreateBackupSchedule_Handler,
+		},
+		{
+			MethodName: "GetBackupSchedule",
+			Handler:    _DatabaseAdmin_GetBackupSchedule_Handler,
+		},
+		{
+			MethodName: "UpdateBackupSchedule",
+			Handler:    _DatabaseAdmin_UpdateBackupSchedule_Handler,
+		},
+		{
+			MethodName: "DeleteBackupSchedule",
+			Handler:    _DatabaseAdmin_DeleteBackupSchedule_Handler,
+		},
+		{
+			MethodName: "ListBackupSchedules",
+			Handler:    _DatabaseAdmin_ListBackupSchedules_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "google/spanner/admin/database/v1/spanner_database_admin.proto",
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/doc.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/doc.go
new file mode 100644
index 000000000..52f0ffb6b
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/doc.go
@@ -0,0 +1,128 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+// Package database is an auto-generated package for the
+// Cloud Spanner API.
+//
+// Cloud Spanner is a managed, mission-critical, globally consistent and
+// scalable relational database service.
+//
+// # General documentation
+//
+// For information that is relevant for all client libraries please reference
+// https://pkg.go.dev/cloud.google.com/go#pkg-overview. Some information on this
+// page includes:
+//
+//   - [Authentication and Authorization]
+//   - [Timeouts and Cancellation]
+//   - [Testing against Client Libraries]
+//   - [Debugging Client Libraries]
+//   - [Inspecting errors]
+//
+// # Example usage
+//
+// To get started with this package, create a client.
+//
+//	ctx := context.Background()
+//	// This snippet has been automatically generated and should be regarded as a code template only.
+//	// It will require modifications to work:
+//	// - It may require correct/in-range values for request initialization.
+//	// - It may require specifying regional endpoints when creating the service client as shown in:
+//	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
+//	c, err := database.NewDatabaseAdminClient(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	defer c.Close()
+//
+// The client will use your default application credentials. Clients should be reused instead of created as needed.
+// The methods of Client are safe for concurrent use by multiple goroutines.
+// The returned client must be Closed when it is done being used.
+//
+// # Using the Client
+//
+// The following is an example of making an API call with the newly created client.
+//
+//	ctx := context.Background()
+//	// This snippet has been automatically generated and should be regarded as a code template only.
+//	// It will require modifications to work:
+//	// - It may require correct/in-range values for request initialization.
+//	// - It may require specifying regional endpoints when creating the service client as shown in:
+//	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
+//	c, err := database.NewDatabaseAdminClient(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	defer c.Close()
+//
+//	req := &databasepb.CopyBackupRequest{
+//		// TODO: Fill request struct fields.
+//		// See https://pkg.go.dev/cloud.google.com/go/spanner/admin/database/apiv1/databasepb#CopyBackupRequest.
+//	}
+//	op, err := c.CopyBackup(ctx, req)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//
+//	resp, err := op.Wait(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	// TODO: Use resp.
+//	_ = resp
+//
+// # Use of Context
+//
+// The ctx passed to NewDatabaseAdminClient is used for authentication requests and
+// for creating the underlying connection, but is not used for subsequent calls.
+// Individual methods on the client use the ctx given to them.
+//
+// To close the open connection, use the Close() method.
+//
+// [Authentication and Authorization]: https://pkg.go.dev/cloud.google.com/go#hdr-Authentication_and_Authorization
+// [Timeouts and Cancellation]: https://pkg.go.dev/cloud.google.com/go#hdr-Timeouts_and_Cancellation
+// [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
+// [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
+// [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
+package database // import "cloud.google.com/go/spanner/admin/database/apiv1"
+
+import (
+	"context"
+
+	"google.golang.org/api/option"
+)
+
+// For more information on implementing a client constructor hook, see
+// https://github.com/googleapis/google-cloud-go/wiki/Customizing-constructors.
+type clientHookParams struct{}
+type clientHook func(context.Context, clientHookParams) ([]option.ClientOption, error)
+
+var versionClient string
+
+func getVersionClient() string {
+	if versionClient == "" {
+		return "UNKNOWN"
+	}
+	return versionClient
+}
+
+// DefaultAuthScopes reports the default set of authentication scopes to use with this package.
+func DefaultAuthScopes() []string {
+	return []string{
+		"https://www.googleapis.com/auth/cloud-platform",
+		"https://www.googleapis.com/auth/spanner.admin",
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/init.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/init.go
new file mode 100644
index 000000000..60c190565
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/init.go
@@ -0,0 +1,39 @@
+/*
+Copyright 2020 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package database
+
+import (
+	"context"
+	"os"
+
+	"google.golang.org/api/option"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+func init() {
+	newDatabaseAdminClientHook = func(ctx context.Context, p clientHookParams) ([]option.ClientOption, error) {
+		if emulator := os.Getenv("SPANNER_EMULATOR_HOST"); emulator != "" {
+			return []option.ClientOption{
+				option.WithEndpoint(emulator),
+				option.WithGRPCDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
+				option.WithoutAuthentication(),
+			}, nil
+		}
+
+		return nil, nil
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/path_funcs.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/path_funcs.go
new file mode 100644
index 000000000..d474b2cce
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/path_funcs.go
@@ -0,0 +1,49 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package database
+
+// DatabaseAdminInstancePath returns the path for the instance resource.
+//
+// Deprecated: Use
+//
+//	fmt.Sprintf("projects/%s/instances/%s", project, instance)
+//
+// instead.
+func DatabaseAdminInstancePath(project, instance string) string {
+	return "" +
+		"projects/" +
+		project +
+		"/instances/" +
+		instance +
+		""
+}
+
+// DatabaseAdminDatabasePath returns the path for the database resource.
+//
+// Deprecated: Use
+//
+//	fmt.Sprintf("projects/%s/instances/%s/databases/%s", project, instance, database)
+//
+// instead.
+func DatabaseAdminDatabasePath(project, instance, database string) string {
+	return "" +
+		"projects/" +
+		project +
+		"/instances/" +
+		instance +
+		"/databases/" +
+		database +
+		""
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/database/apiv1/version.go b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/version.go
new file mode 100644
index 000000000..b0ba71de8
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/database/apiv1/version.go
@@ -0,0 +1,23 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by gapicgen. DO NOT EDIT.
+
+package database
+
+import "cloud.google.com/go/spanner/internal"
+
+func init() {
+	versionClient = internal.Version
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/auxiliary.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/auxiliary.go
new file mode 100644
index 000000000..f6bab7fe1
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/auxiliary.go
@@ -0,0 +1,664 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+package instance
+
+import (
+	"context"
+	"time"
+
+	"cloud.google.com/go/longrunning"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	instancepb "cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
+	gax "github.com/googleapis/gax-go/v2"
+	"google.golang.org/api/iterator"
+)
+
+// CreateInstanceConfigOperation manages a long-running operation from CreateInstanceConfig.
+type CreateInstanceConfigOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateInstanceConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstanceConfig
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateInstanceConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstanceConfig
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateInstanceConfigOperation) Metadata() (*instancepb.CreateInstanceConfigMetadata, error) {
+	var meta instancepb.CreateInstanceConfigMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateInstanceConfigOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateInstanceConfigOperation) Name() string {
+	return op.lro.Name()
+}
+
+// CreateInstanceOperation manages a long-running operation from CreateInstance.
+type CreateInstanceOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.Instance
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.Instance
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateInstanceOperation) Metadata() (*instancepb.CreateInstanceMetadata, error) {
+	var meta instancepb.CreateInstanceMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateInstanceOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateInstanceOperation) Name() string {
+	return op.lro.Name()
+}
+
+// CreateInstancePartitionOperation manages a long-running operation from CreateInstancePartition.
+type CreateInstancePartitionOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *CreateInstancePartitionOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstancePartition
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *CreateInstancePartitionOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstancePartition
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *CreateInstancePartitionOperation) Metadata() (*instancepb.CreateInstancePartitionMetadata, error) {
+	var meta instancepb.CreateInstancePartitionMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *CreateInstancePartitionOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *CreateInstancePartitionOperation) Name() string {
+	return op.lro.Name()
+}
+
+// MoveInstanceOperation manages a long-running operation from MoveInstance.
+type MoveInstanceOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *MoveInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.MoveInstanceResponse, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.MoveInstanceResponse
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *MoveInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.MoveInstanceResponse, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.MoveInstanceResponse
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *MoveInstanceOperation) Metadata() (*instancepb.MoveInstanceMetadata, error) {
+	var meta instancepb.MoveInstanceMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *MoveInstanceOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *MoveInstanceOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateInstanceConfigOperation manages a long-running operation from UpdateInstanceConfig.
+type UpdateInstanceConfigOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateInstanceConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstanceConfig
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateInstanceConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstanceConfig
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateInstanceConfigOperation) Metadata() (*instancepb.UpdateInstanceConfigMetadata, error) {
+	var meta instancepb.UpdateInstanceConfigMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateInstanceConfigOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateInstanceConfigOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateInstanceOperation manages a long-running operation from UpdateInstance.
+type UpdateInstanceOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateInstanceOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.Instance
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateInstanceOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.Instance
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateInstanceOperation) Metadata() (*instancepb.UpdateInstanceMetadata, error) {
+	var meta instancepb.UpdateInstanceMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateInstanceOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateInstanceOperation) Name() string {
+	return op.lro.Name()
+}
+
+// UpdateInstancePartitionOperation manages a long-running operation from UpdateInstancePartition.
+type UpdateInstancePartitionOperation struct {
+	lro      *longrunning.Operation
+	pollPath string
+}
+
+// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
+//
+// See documentation of Poll for error-handling information.
+func (op *UpdateInstancePartitionOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstancePartition
+	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Poll fetches the latest state of the long-running operation.
+//
+// Poll also fetches the latest metadata, which can be retrieved by Metadata.
+//
+// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
+// the operation has completed with failure, the error is returned and op.Done will return true.
+// If Poll succeeds and the operation has completed successfully,
+// op.Done will return true, and the response of the operation is returned.
+// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
+func (op *UpdateInstancePartitionOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
+	var resp instancepb.InstancePartition
+	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
+		return nil, err
+	}
+	if !op.Done() {
+		return nil, nil
+	}
+	return &resp, nil
+}
+
+// Metadata returns metadata associated with the long-running operation.
+// Metadata itself does not contact the server, but Poll does.
+// To get the latest metadata, call this method after a successful call to Poll.
+// If the metadata is not available, the returned metadata and error are both nil.
+func (op *UpdateInstancePartitionOperation) Metadata() (*instancepb.UpdateInstancePartitionMetadata, error) {
+	var meta instancepb.UpdateInstancePartitionMetadata
+	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
+		return nil, nil
+	} else if err != nil {
+		return nil, err
+	}
+	return &meta, nil
+}
+
+// Done reports whether the long-running operation has completed.
+func (op *UpdateInstancePartitionOperation) Done() bool {
+	return op.lro.Done()
+}
+
+// Name returns the name of the long-running operation.
+// The name is assigned by the server and is unique within the service from which the operation is created.
+func (op *UpdateInstancePartitionOperation) Name() string {
+	return op.lro.Name()
+}
+
+// InstanceConfigIterator manages a stream of *instancepb.InstanceConfig.
+type InstanceConfigIterator struct {
+	items    []*instancepb.InstanceConfig
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*instancepb.InstanceConfig, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *InstanceConfigIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *InstanceConfigIterator) Next() (*instancepb.InstanceConfig, error) {
+	var item *instancepb.InstanceConfig
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *InstanceConfigIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *InstanceConfigIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// InstanceIterator manages a stream of *instancepb.Instance.
+type InstanceIterator struct {
+	items    []*instancepb.Instance
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*instancepb.Instance, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *InstanceIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *InstanceIterator) Next() (*instancepb.Instance, error) {
+	var item *instancepb.Instance
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *InstanceIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *InstanceIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// InstancePartitionIterator manages a stream of *instancepb.InstancePartition.
+type InstancePartitionIterator struct {
+	items    []*instancepb.InstancePartition
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*instancepb.InstancePartition, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *InstancePartitionIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *InstancePartitionIterator) Next() (*instancepb.InstancePartition, error) {
+	var item *instancepb.InstancePartition
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *InstancePartitionIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *InstancePartitionIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
+
+// OperationIterator manages a stream of *longrunningpb.Operation.
+type OperationIterator struct {
+	items    []*longrunningpb.Operation
+	pageInfo *iterator.PageInfo
+	nextFunc func() error
+
+	// Response is the raw response for the current page.
+	// It must be cast to the RPC response type.
+	// Calling Next() or InternalFetch() updates this value.
+	Response interface{}
+
+	// InternalFetch is for use by the Google Cloud Libraries only.
+	// It is not part of the stable interface of this package.
+	//
+	// InternalFetch returns results from a single call to the underlying RPC.
+	// The number of results is no greater than pageSize.
+	// If there are no more results, nextPageToken is empty and err is nil.
+	InternalFetch func(pageSize int, pageToken string) (results []*longrunningpb.Operation, nextPageToken string, err error)
+}
+
+// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
+func (it *OperationIterator) PageInfo() *iterator.PageInfo {
+	return it.pageInfo
+}
+
+// Next returns the next result. Its second return value is iterator.Done if there are no more
+// results. Once Next returns Done, all subsequent calls will return Done.
+func (it *OperationIterator) Next() (*longrunningpb.Operation, error) {
+	var item *longrunningpb.Operation
+	if err := it.nextFunc(); err != nil {
+		return item, err
+	}
+	item = it.items[0]
+	it.items = it.items[1:]
+	return item, nil
+}
+
+func (it *OperationIterator) bufLen() int {
+	return len(it.items)
+}
+
+func (it *OperationIterator) takeBuf() interface{} {
+	b := it.items
+	it.items = nil
+	return b
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/doc.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/doc.go
new file mode 100644
index 000000000..4f103493b
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/doc.go
@@ -0,0 +1,125 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+// Package instance is an auto-generated package for the
+// Cloud Spanner Instance Admin API.
+//
+// # General documentation
+//
+// For information that is relevant for all client libraries please reference
+// https://pkg.go.dev/cloud.google.com/go#pkg-overview. Some information on this
+// page includes:
+//
+//   - [Authentication and Authorization]
+//   - [Timeouts and Cancellation]
+//   - [Testing against Client Libraries]
+//   - [Debugging Client Libraries]
+//   - [Inspecting errors]
+//
+// # Example usage
+//
+// To get started with this package, create a client.
+//
+//	ctx := context.Background()
+//	// This snippet has been automatically generated and should be regarded as a code template only.
+//	// It will require modifications to work:
+//	// - It may require correct/in-range values for request initialization.
+//	// - It may require specifying regional endpoints when creating the service client as shown in:
+//	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
+//	c, err := instance.NewInstanceAdminClient(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	defer c.Close()
+//
+// The client will use your default application credentials. Clients should be reused instead of created as needed.
+// The methods of Client are safe for concurrent use by multiple goroutines.
+// The returned client must be Closed when it is done being used.
+//
+// # Using the Client
+//
+// The following is an example of making an API call with the newly created client.
+//
+//	ctx := context.Background()
+//	// This snippet has been automatically generated and should be regarded as a code template only.
+//	// It will require modifications to work:
+//	// - It may require correct/in-range values for request initialization.
+//	// - It may require specifying regional endpoints when creating the service client as shown in:
+//	//   https://pkg.go.dev/cloud.google.com/go#hdr-Client_Options
+//	c, err := instance.NewInstanceAdminClient(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	defer c.Close()
+//
+//	req := &instancepb.CreateInstanceRequest{
+//		// TODO: Fill request struct fields.
+//		// See https://pkg.go.dev/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb#CreateInstanceRequest.
+//	}
+//	op, err := c.CreateInstance(ctx, req)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//
+//	resp, err := op.Wait(ctx)
+//	if err != nil {
+//		// TODO: Handle error.
+//	}
+//	// TODO: Use resp.
+//	_ = resp
+//
+// # Use of Context
+//
+// The ctx passed to NewInstanceAdminClient is used for authentication requests and
+// for creating the underlying connection, but is not used for subsequent calls.
+// Individual methods on the client use the ctx given to them.
+//
+// To close the open connection, use the Close() method.
+//
+// [Authentication and Authorization]: https://pkg.go.dev/cloud.google.com/go#hdr-Authentication_and_Authorization
+// [Timeouts and Cancellation]: https://pkg.go.dev/cloud.google.com/go#hdr-Timeouts_and_Cancellation
+// [Testing against Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Testing
+// [Debugging Client Libraries]: https://pkg.go.dev/cloud.google.com/go#hdr-Debugging
+// [Inspecting errors]: https://pkg.go.dev/cloud.google.com/go#hdr-Inspecting_errors
+package instance // import "cloud.google.com/go/spanner/admin/instance/apiv1"
+
+import (
+	"context"
+
+	"google.golang.org/api/option"
+)
+
+// For more information on implementing a client constructor hook, see
+// https://github.com/googleapis/google-cloud-go/wiki/Customizing-constructors.
+type clientHookParams struct{}
+type clientHook func(context.Context, clientHookParams) ([]option.ClientOption, error)
+
+var versionClient string
+
+func getVersionClient() string {
+	if versionClient == "" {
+		return "UNKNOWN"
+	}
+	return versionClient
+}
+
+// DefaultAuthScopes reports the default set of authentication scopes to use with this package.
+func DefaultAuthScopes() []string {
+	return []string{
+		"https://www.googleapis.com/auth/cloud-platform",
+		"https://www.googleapis.com/auth/spanner.admin",
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/init.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/init.go
new file mode 100644
index 000000000..85046d971
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/init.go
@@ -0,0 +1,39 @@
+/*
+Copyright 2020 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package instance
+
+import (
+	"context"
+	"os"
+
+	"google.golang.org/api/option"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+func init() {
+	newInstanceAdminClientHook = func(ctx context.Context, p clientHookParams) ([]option.ClientOption, error) {
+		if emulator := os.Getenv("SPANNER_EMULATOR_HOST"); emulator != "" {
+			return []option.ClientOption{
+				option.WithEndpoint(emulator),
+				option.WithGRPCDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
+				option.WithoutAuthentication(),
+			}, nil
+		}
+
+		return nil, nil
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instance_admin_client.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instance_admin_client.go
new file mode 100644
index 000000000..30b533f6f
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instance_admin_client.go
@@ -0,0 +1,3660 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
+
+package instance
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"net/url"
+	"time"
+
+	iampb "cloud.google.com/go/iam/apiv1/iampb"
+	"cloud.google.com/go/longrunning"
+	lroauto "cloud.google.com/go/longrunning/autogen"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	instancepb "cloud.google.com/go/spanner/admin/instance/apiv1/instancepb"
+	gax "github.com/googleapis/gax-go/v2"
+	"google.golang.org/api/googleapi"
+	"google.golang.org/api/iterator"
+	"google.golang.org/api/option"
+	"google.golang.org/api/option/internaloption"
+	gtransport "google.golang.org/api/transport/grpc"
+	httptransport "google.golang.org/api/transport/http"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
+)
+
+var newInstanceAdminClientHook clientHook
+
+// InstanceAdminCallOptions contains the retry settings for each method of InstanceAdminClient.
+type InstanceAdminCallOptions struct {
+	ListInstanceConfigs             []gax.CallOption
+	GetInstanceConfig               []gax.CallOption
+	CreateInstanceConfig            []gax.CallOption
+	UpdateInstanceConfig            []gax.CallOption
+	DeleteInstanceConfig            []gax.CallOption
+	ListInstanceConfigOperations    []gax.CallOption
+	ListInstances                   []gax.CallOption
+	ListInstancePartitions          []gax.CallOption
+	GetInstance                     []gax.CallOption
+	CreateInstance                  []gax.CallOption
+	UpdateInstance                  []gax.CallOption
+	DeleteInstance                  []gax.CallOption
+	SetIamPolicy                    []gax.CallOption
+	GetIamPolicy                    []gax.CallOption
+	TestIamPermissions              []gax.CallOption
+	GetInstancePartition            []gax.CallOption
+	CreateInstancePartition         []gax.CallOption
+	DeleteInstancePartition         []gax.CallOption
+	UpdateInstancePartition         []gax.CallOption
+	ListInstancePartitionOperations []gax.CallOption
+	MoveInstance                    []gax.CallOption
+}
+
+func defaultInstanceAdminGRPCClientOptions() []option.ClientOption {
+	return []option.ClientOption{
+		internaloption.WithDefaultEndpoint("spanner.googleapis.com:443"),
+		internaloption.WithDefaultEndpointTemplate("spanner.UNIVERSE_DOMAIN:443"),
+		internaloption.WithDefaultMTLSEndpoint("spanner.mtls.googleapis.com:443"),
+		internaloption.WithDefaultUniverseDomain("googleapis.com"),
+		internaloption.WithDefaultAudience("https://spanner.googleapis.com/"),
+		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
+		internaloption.EnableJwtWithScope(),
+		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
+			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
+	}
+}
+
+func defaultInstanceAdminCallOptions() *InstanceAdminCallOptions {
+	return &InstanceAdminCallOptions{
+		ListInstanceConfigs: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		GetInstanceConfig: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		CreateInstanceConfig:         []gax.CallOption{},
+		UpdateInstanceConfig:         []gax.CallOption{},
+		DeleteInstanceConfig:         []gax.CallOption{},
+		ListInstanceConfigOperations: []gax.CallOption{},
+		ListInstances: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		ListInstancePartitions: []gax.CallOption{},
+		GetInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		CreateInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		UpdateInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		DeleteInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		SetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnCodes([]codes.Code{
+					codes.Unavailable,
+					codes.DeadlineExceeded,
+				}, gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				})
+			}),
+		},
+		TestIamPermissions: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetInstancePartition:            []gax.CallOption{},
+		CreateInstancePartition:         []gax.CallOption{},
+		DeleteInstancePartition:         []gax.CallOption{},
+		UpdateInstancePartition:         []gax.CallOption{},
+		ListInstancePartitionOperations: []gax.CallOption{},
+		MoveInstance:                    []gax.CallOption{},
+	}
+}
+
+func defaultInstanceAdminRESTCallOptions() *InstanceAdminCallOptions {
+	return &InstanceAdminCallOptions{
+		ListInstanceConfigs: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		GetInstanceConfig: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		CreateInstanceConfig:         []gax.CallOption{},
+		UpdateInstanceConfig:         []gax.CallOption{},
+		DeleteInstanceConfig:         []gax.CallOption{},
+		ListInstanceConfigOperations: []gax.CallOption{},
+		ListInstances: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		ListInstancePartitions: []gax.CallOption{},
+		GetInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		CreateInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		UpdateInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+		},
+		DeleteInstance: []gax.CallOption{
+			gax.WithTimeout(3600000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		SetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetIamPolicy: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+			gax.WithRetry(func() gax.Retryer {
+				return gax.OnHTTPCodes(gax.Backoff{
+					Initial:    1000 * time.Millisecond,
+					Max:        32000 * time.Millisecond,
+					Multiplier: 1.30,
+				},
+					http.StatusServiceUnavailable,
+					http.StatusGatewayTimeout)
+			}),
+		},
+		TestIamPermissions: []gax.CallOption{
+			gax.WithTimeout(30000 * time.Millisecond),
+		},
+		GetInstancePartition:            []gax.CallOption{},
+		CreateInstancePartition:         []gax.CallOption{},
+		DeleteInstancePartition:         []gax.CallOption{},
+		UpdateInstancePartition:         []gax.CallOption{},
+		ListInstancePartitionOperations: []gax.CallOption{},
+		MoveInstance:                    []gax.CallOption{},
+	}
+}
+
+// internalInstanceAdminClient is an interface that defines the methods available from Cloud Spanner Instance Admin API.
+type internalInstanceAdminClient interface {
+	Close() error
+	setGoogleClientInfo(...string)
+	Connection() *grpc.ClientConn
+	ListInstanceConfigs(context.Context, *instancepb.ListInstanceConfigsRequest, ...gax.CallOption) *InstanceConfigIterator
+	GetInstanceConfig(context.Context, *instancepb.GetInstanceConfigRequest, ...gax.CallOption) (*instancepb.InstanceConfig, error)
+	CreateInstanceConfig(context.Context, *instancepb.CreateInstanceConfigRequest, ...gax.CallOption) (*CreateInstanceConfigOperation, error)
+	CreateInstanceConfigOperation(name string) *CreateInstanceConfigOperation
+	UpdateInstanceConfig(context.Context, *instancepb.UpdateInstanceConfigRequest, ...gax.CallOption) (*UpdateInstanceConfigOperation, error)
+	UpdateInstanceConfigOperation(name string) *UpdateInstanceConfigOperation
+	DeleteInstanceConfig(context.Context, *instancepb.DeleteInstanceConfigRequest, ...gax.CallOption) error
+	ListInstanceConfigOperations(context.Context, *instancepb.ListInstanceConfigOperationsRequest, ...gax.CallOption) *OperationIterator
+	ListInstances(context.Context, *instancepb.ListInstancesRequest, ...gax.CallOption) *InstanceIterator
+	ListInstancePartitions(context.Context, *instancepb.ListInstancePartitionsRequest, ...gax.CallOption) *InstancePartitionIterator
+	GetInstance(context.Context, *instancepb.GetInstanceRequest, ...gax.CallOption) (*instancepb.Instance, error)
+	CreateInstance(context.Context, *instancepb.CreateInstanceRequest, ...gax.CallOption) (*CreateInstanceOperation, error)
+	CreateInstanceOperation(name string) *CreateInstanceOperation
+	UpdateInstance(context.Context, *instancepb.UpdateInstanceRequest, ...gax.CallOption) (*UpdateInstanceOperation, error)
+	UpdateInstanceOperation(name string) *UpdateInstanceOperation
+	DeleteInstance(context.Context, *instancepb.DeleteInstanceRequest, ...gax.CallOption) error
+	SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
+	GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
+	TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest, ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)
+	GetInstancePartition(context.Context, *instancepb.GetInstancePartitionRequest, ...gax.CallOption) (*instancepb.InstancePartition, error)
+	CreateInstancePartition(context.Context, *instancepb.CreateInstancePartitionRequest, ...gax.CallOption) (*CreateInstancePartitionOperation, error)
+	CreateInstancePartitionOperation(name string) *CreateInstancePartitionOperation
+	DeleteInstancePartition(context.Context, *instancepb.DeleteInstancePartitionRequest, ...gax.CallOption) error
+	UpdateInstancePartition(context.Context, *instancepb.UpdateInstancePartitionRequest, ...gax.CallOption) (*UpdateInstancePartitionOperation, error)
+	UpdateInstancePartitionOperation(name string) *UpdateInstancePartitionOperation
+	ListInstancePartitionOperations(context.Context, *instancepb.ListInstancePartitionOperationsRequest, ...gax.CallOption) *OperationIterator
+	MoveInstance(context.Context, *instancepb.MoveInstanceRequest, ...gax.CallOption) (*MoveInstanceOperation, error)
+	MoveInstanceOperation(name string) *MoveInstanceOperation
+}
+
+// InstanceAdminClient is a client for interacting with Cloud Spanner Instance Admin API.
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+//
+// # Cloud Spanner Instance Admin API
+//
+// The Cloud Spanner Instance Admin API can be used to create, delete,
+// modify and list instances. Instances are dedicated Cloud Spanner serving
+// and storage resources to be used by Cloud Spanner databases.
+//
+// Each instance has a “configuration”, which dictates where the
+// serving resources for the Cloud Spanner instance are located (e.g.,
+// US-central, Europe). Configurations are created by Google based on
+// resource availability.
+//
+// Cloud Spanner billing is based on the instances that exist and their
+// sizes. After an instance exists, there are no additional
+// per-database or per-operation charges for use of the instance
+// (though there may be additional network bandwidth charges).
+// Instances offer isolation: problems with databases in one instance
+// will not affect other instances. However, within an instance
+// databases can affect each other. For example, if one database in an
+// instance receives a lot of requests and consumes most of the
+// instance resources, fewer resources are available for other
+// databases in that instance, and their performance may suffer.
+type InstanceAdminClient struct {
+	// The internal transport-dependent client.
+	internalClient internalInstanceAdminClient
+
+	// The call options for this service.
+	CallOptions *InstanceAdminCallOptions
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient *lroauto.OperationsClient
+}
+
+// Wrapper methods routed to the internal client.
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *InstanceAdminClient) Close() error {
+	return c.internalClient.Close()
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *InstanceAdminClient) setGoogleClientInfo(keyval ...string) {
+	c.internalClient.setGoogleClientInfo(keyval...)
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: Connections are now pooled so this method does not always
+// return the same resource.
+func (c *InstanceAdminClient) Connection() *grpc.ClientConn {
+	return c.internalClient.Connection()
+}
+
+// ListInstanceConfigs lists the supported instance configurations for a given project.
+func (c *InstanceAdminClient) ListInstanceConfigs(ctx context.Context, req *instancepb.ListInstanceConfigsRequest, opts ...gax.CallOption) *InstanceConfigIterator {
+	return c.internalClient.ListInstanceConfigs(ctx, req, opts...)
+}
+
+// GetInstanceConfig gets information about a particular instance configuration.
+func (c *InstanceAdminClient) GetInstanceConfig(ctx context.Context, req *instancepb.GetInstanceConfigRequest, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	return c.internalClient.GetInstanceConfig(ctx, req, opts...)
+}
+
+// CreateInstanceConfig creates an instance configuration and begins preparing it to be used. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new
+// instance configuration. The instance configuration name is assigned by the
+// caller. If the named instance configuration already exists,
+// CreateInstanceConfig returns ALREADY_EXISTS.
+//
+// Immediately after the request returns:
+//
+//	The instance configuration is readable via the API, with all requested
+//	attributes. The instance configuration’s
+//	reconciling
+//	field is set to true. Its state is CREATING.
+//
+// While the operation is pending:
+//
+//	Cancelling the operation renders the instance configuration immediately
+//	unreadable via the API.
+//
+//	Except for deleting the creating resource, all other attempts to modify
+//	the instance configuration are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Instances can be created using the instance configuration.
+//
+//	The instance configuration’s
+//	reconciling
+//	field becomes false. Its state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_config_name>/operations/<operation_id> and can be used to track
+// creation of the instance configuration. The
+// metadata field type is
+// CreateInstanceConfigMetadata.
+// The response field type is
+// InstanceConfig, if
+// successful.
+//
+// Authorization requires spanner.instanceConfigs.create permission on
+// the resource
+// parent.
+func (c *InstanceAdminClient) CreateInstanceConfig(ctx context.Context, req *instancepb.CreateInstanceConfigRequest, opts ...gax.CallOption) (*CreateInstanceConfigOperation, error) {
+	return c.internalClient.CreateInstanceConfig(ctx, req, opts...)
+}
+
+// CreateInstanceConfigOperation returns a new CreateInstanceConfigOperation from a given name.
+// The name must be that of a previously created CreateInstanceConfigOperation, possibly from a different process.
+func (c *InstanceAdminClient) CreateInstanceConfigOperation(name string) *CreateInstanceConfigOperation {
+	return c.internalClient.CreateInstanceConfigOperation(name)
+}
+
+// UpdateInstanceConfig updates an instance configuration. The returned
+// [long-running operation][google.longrunning.Operation] can be used to track
+// the progress of updating the instance. If the named instance configuration
+// does not exist, returns NOT_FOUND.
+//
+// Only user-managed configurations can be updated.
+//
+// Immediately after the request returns:
+//
+//	The instance configuration’s
+//	reconciling
+//	field is set to true.
+//
+// While the operation is pending:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time.
+//	The operation is guaranteed to succeed at undoing all changes, after
+//	which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance configuration are rejected.
+//
+//	Reading the instance configuration via the API continues to give the
+//	pre-request values.
+//
+// Upon completion of the returned operation:
+//
+//	Creating instances using the instance configuration uses the new
+//	values.
+//
+//	The new values of the instance configuration are readable via the API.
+//
+//	The instance configuration’s
+//	reconciling
+//	field becomes false.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_config_name>/operations/<operation_id> and can be used to track
+// the instance configuration modification.  The
+// metadata field type is
+// UpdateInstanceConfigMetadata.
+// The response field type is
+// InstanceConfig, if
+// successful.
+//
+// Authorization requires spanner.instanceConfigs.update permission on
+// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name (at http://google.spanner.admin.instance.v1.InstanceConfig.name)].
+func (c *InstanceAdminClient) UpdateInstanceConfig(ctx context.Context, req *instancepb.UpdateInstanceConfigRequest, opts ...gax.CallOption) (*UpdateInstanceConfigOperation, error) {
+	return c.internalClient.UpdateInstanceConfig(ctx, req, opts...)
+}
+
+// UpdateInstanceConfigOperation returns a new UpdateInstanceConfigOperation from a given name.
+// The name must be that of a previously created UpdateInstanceConfigOperation, possibly from a different process.
+func (c *InstanceAdminClient) UpdateInstanceConfigOperation(name string) *UpdateInstanceConfigOperation {
+	return c.internalClient.UpdateInstanceConfigOperation(name)
+}
+
+// DeleteInstanceConfig deletes the instance configuration. Deletion is only allowed when no
+// instances are using the configuration. If any instances are using
+// the configuration, returns FAILED_PRECONDITION.
+//
+// Only user-managed configurations can be deleted.
+//
+// Authorization requires spanner.instanceConfigs.delete permission on
+// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name (at http://google.spanner.admin.instance.v1.InstanceConfig.name)].
+func (c *InstanceAdminClient) DeleteInstanceConfig(ctx context.Context, req *instancepb.DeleteInstanceConfigRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteInstanceConfig(ctx, req, opts...)
+}
+
+// ListInstanceConfigOperations lists the user-managed instance configuration [long-running
+// operations][google.longrunning.Operation] in the given project. An instance
+// configuration operation has a name of the form
+// projects/<project>/instanceConfigs/<instance_config>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.start_time in descending order starting
+// from the most recently started operation.
+func (c *InstanceAdminClient) ListInstanceConfigOperations(ctx context.Context, req *instancepb.ListInstanceConfigOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	return c.internalClient.ListInstanceConfigOperations(ctx, req, opts...)
+}
+
+// ListInstances lists all instances in the given project.
+func (c *InstanceAdminClient) ListInstances(ctx context.Context, req *instancepb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
+	return c.internalClient.ListInstances(ctx, req, opts...)
+}
+
+// ListInstancePartitions lists all instance partitions for the given instance.
+func (c *InstanceAdminClient) ListInstancePartitions(ctx context.Context, req *instancepb.ListInstancePartitionsRequest, opts ...gax.CallOption) *InstancePartitionIterator {
+	return c.internalClient.ListInstancePartitions(ctx, req, opts...)
+}
+
+// GetInstance gets information about a particular instance.
+func (c *InstanceAdminClient) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	return c.internalClient.GetInstance(ctx, req, opts...)
+}
+
+// CreateInstance creates an instance and begins preparing it to begin serving. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new
+// instance. The instance name is assigned by the caller. If the
+// named instance already exists, CreateInstance returns
+// ALREADY_EXISTS.
+//
+// Immediately upon completion of this request:
+//
+//	The instance is readable via the API, with all requested attributes
+//	but no allocated resources. Its state is CREATING.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation renders the instance immediately unreadable
+//	via the API.
+//
+//	The instance can be deleted.
+//
+//	All other attempts to modify the instance are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Billing for all successfully-allocated resources begins (some types
+//	may have lower than the requested levels).
+//
+//	Databases can be created in the instance.
+//
+//	The instance’s allocated resource levels are readable via the API.
+//
+//	The instance’s state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <instance_name>/operations/<operation_id> and
+// can be used to track creation of the instance.  The
+// metadata field type is
+// CreateInstanceMetadata.
+// The response field type is
+// Instance, if successful.
+func (c *InstanceAdminClient) CreateInstance(ctx context.Context, req *instancepb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
+	return c.internalClient.CreateInstance(ctx, req, opts...)
+}
+
+// CreateInstanceOperation returns a new CreateInstanceOperation from a given name.
+// The name must be that of a previously created CreateInstanceOperation, possibly from a different process.
+func (c *InstanceAdminClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
+	return c.internalClient.CreateInstanceOperation(name)
+}
+
+// UpdateInstance updates an instance, and begins allocating or releasing resources
+// as requested. The returned [long-running
+// operation][google.longrunning.Operation] can be used to track the
+// progress of updating the instance. If the named instance does not
+// exist, returns NOT_FOUND.
+//
+// Immediately upon completion of this request:
+//
+//	For resource types for which a decrease in the instance’s allocation
+//	has been requested, billing is based on the newly-requested level.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time,
+//	and begins restoring resources to their pre-request values. The
+//	operation is guaranteed to succeed at undoing all resource changes,
+//	after which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance are rejected.
+//
+//	Reading the instance via the API continues to give the pre-request
+//	resource levels.
+//
+// Upon completion of the returned operation:
+//
+//	Billing begins for all successfully-allocated resources (some types
+//	may have lower than the requested levels).
+//
+//	All newly-reserved resources are available for serving the instance’s
+//	tables.
+//
+//	The instance’s new resource levels are readable via the API.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <instance_name>/operations/<operation_id> and
+// can be used to track the instance modification.  The
+// metadata field type is
+// UpdateInstanceMetadata.
+// The response field type is
+// Instance, if successful.
+//
+// Authorization requires spanner.instances.update permission on
+// the resource [name][google.spanner.admin.instance.v1.Instance.name (at http://google.spanner.admin.instance.v1.Instance.name)].
+func (c *InstanceAdminClient) UpdateInstance(ctx context.Context, req *instancepb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
+	return c.internalClient.UpdateInstance(ctx, req, opts...)
+}
+
+// UpdateInstanceOperation returns a new UpdateInstanceOperation from a given name.
+// The name must be that of a previously created UpdateInstanceOperation, possibly from a different process.
+func (c *InstanceAdminClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
+	return c.internalClient.UpdateInstanceOperation(name)
+}
+
+// DeleteInstance deletes an instance.
+//
+// Immediately upon completion of the request:
+//
+//	Billing ceases for all of the instance’s reserved resources.
+//
+// Soon afterward:
+//
+//	The instance and all of its databases immediately and
+//	irrevocably disappear from the API. All data in the databases
+//	is permanently deleted.
+func (c *InstanceAdminClient) DeleteInstance(ctx context.Context, req *instancepb.DeleteInstanceRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteInstance(ctx, req, opts...)
+}
+
+// SetIamPolicy sets the access control policy on an instance resource. Replaces any
+// existing policy.
+//
+// Authorization requires spanner.instances.setIamPolicy on
+// resource.
+func (c *InstanceAdminClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	return c.internalClient.SetIamPolicy(ctx, req, opts...)
+}
+
+// GetIamPolicy gets the access control policy for an instance resource. Returns an empty
+// policy if an instance exists but does not have a policy set.
+//
+// Authorization requires spanner.instances.getIamPolicy on
+// resource.
+func (c *InstanceAdminClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	return c.internalClient.GetIamPolicy(ctx, req, opts...)
+}
+
+// TestIamPermissions returns permissions that the caller has on the specified instance resource.
+//
+// Attempting this RPC on a non-existent Cloud Spanner instance resource will
+// result in a NOT_FOUND error if the user has spanner.instances.list
+// permission on the containing Google Cloud Project. Otherwise returns an
+// empty set of permissions.
+func (c *InstanceAdminClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	return c.internalClient.TestIamPermissions(ctx, req, opts...)
+}
+
+// GetInstancePartition gets information about a particular instance partition.
+func (c *InstanceAdminClient) GetInstancePartition(ctx context.Context, req *instancepb.GetInstancePartitionRequest, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	return c.internalClient.GetInstancePartition(ctx, req, opts...)
+}
+
+// CreateInstancePartition creates an instance partition and begins preparing it to be used. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new instance partition.
+// The instance partition name is assigned by the caller. If the named
+// instance partition already exists, CreateInstancePartition returns
+// ALREADY_EXISTS.
+//
+// Immediately upon completion of this request:
+//
+//	The instance partition is readable via the API, with all requested
+//	attributes but no allocated resources. Its state is CREATING.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation renders the instance partition immediately
+//	unreadable via the API.
+//
+//	The instance partition can be deleted.
+//
+//	All other attempts to modify the instance partition are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Billing for all successfully-allocated resources begins (some types
+//	may have lower than the requested levels).
+//
+//	Databases can start using this instance partition.
+//
+//	The instance partition’s allocated resource levels are readable via the
+//	API.
+//
+//	The instance partition’s state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_partition_name>/operations/<operation_id> and can be used to
+// track creation of the instance partition.  The
+// metadata field type is
+// CreateInstancePartitionMetadata.
+// The response field type is
+// InstancePartition, if
+// successful.
+func (c *InstanceAdminClient) CreateInstancePartition(ctx context.Context, req *instancepb.CreateInstancePartitionRequest, opts ...gax.CallOption) (*CreateInstancePartitionOperation, error) {
+	return c.internalClient.CreateInstancePartition(ctx, req, opts...)
+}
+
+// CreateInstancePartitionOperation returns a new CreateInstancePartitionOperation from a given name.
+// The name must be that of a previously created CreateInstancePartitionOperation, possibly from a different process.
+func (c *InstanceAdminClient) CreateInstancePartitionOperation(name string) *CreateInstancePartitionOperation {
+	return c.internalClient.CreateInstancePartitionOperation(name)
+}
+
+// DeleteInstancePartition deletes an existing instance partition. Requires that the
+// instance partition is not used by any database or backup and is not the
+// default instance partition of an instance.
+//
+// Authorization requires spanner.instancePartitions.delete permission on
+// the resource
+// [name][google.spanner.admin.instance.v1.InstancePartition.name (at http://google.spanner.admin.instance.v1.InstancePartition.name)].
+func (c *InstanceAdminClient) DeleteInstancePartition(ctx context.Context, req *instancepb.DeleteInstancePartitionRequest, opts ...gax.CallOption) error {
+	return c.internalClient.DeleteInstancePartition(ctx, req, opts...)
+}
+
+// UpdateInstancePartition updates an instance partition, and begins allocating or releasing resources
+// as requested. The returned [long-running
+// operation][google.longrunning.Operation] can be used to track the
+// progress of updating the instance partition. If the named instance
+// partition does not exist, returns NOT_FOUND.
+//
+// Immediately upon completion of this request:
+//
+//	For resource types for which a decrease in the instance partition’s
+//	allocation has been requested, billing is based on the newly-requested
+//	level.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time,
+//	and begins restoring resources to their pre-request values. The
+//	operation is guaranteed to succeed at undoing all resource changes,
+//	after which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance partition are rejected.
+//
+//	Reading the instance partition via the API continues to give the
+//	pre-request resource levels.
+//
+// Upon completion of the returned operation:
+//
+//	Billing begins for all successfully-allocated resources (some types
+//	may have lower than the requested levels).
+//
+//	All newly-reserved resources are available for serving the instance
+//	partition’s tables.
+//
+//	The instance partition’s new resource levels are readable via the API.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_partition_name>/operations/<operation_id> and can be used to
+// track the instance partition modification. The
+// metadata field type is
+// UpdateInstancePartitionMetadata.
+// The response field type is
+// InstancePartition, if
+// successful.
+//
+// Authorization requires spanner.instancePartitions.update permission on
+// the resource
+// [name][google.spanner.admin.instance.v1.InstancePartition.name (at http://google.spanner.admin.instance.v1.InstancePartition.name)].
+func (c *InstanceAdminClient) UpdateInstancePartition(ctx context.Context, req *instancepb.UpdateInstancePartitionRequest, opts ...gax.CallOption) (*UpdateInstancePartitionOperation, error) {
+	return c.internalClient.UpdateInstancePartition(ctx, req, opts...)
+}
+
+// UpdateInstancePartitionOperation returns a new UpdateInstancePartitionOperation from a given name.
+// The name must be that of a previously created UpdateInstancePartitionOperation, possibly from a different process.
+func (c *InstanceAdminClient) UpdateInstancePartitionOperation(name string) *UpdateInstancePartitionOperation {
+	return c.internalClient.UpdateInstancePartitionOperation(name)
+}
+
+// ListInstancePartitionOperations lists instance partition [long-running
+// operations][google.longrunning.Operation] in the given instance.
+// An instance partition operation has a name of the form
+// projects/<project>/instances/<instance>/instancePartitions/<instance_partition>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.start_time in descending order starting from the
+// most recently started operation.
+//
+// Authorization requires spanner.instancePartitionOperations.list
+// permission on the resource
+// parent.
+func (c *InstanceAdminClient) ListInstancePartitionOperations(ctx context.Context, req *instancepb.ListInstancePartitionOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	return c.internalClient.ListInstancePartitionOperations(ctx, req, opts...)
+}
+
+// MoveInstance moves an instance to the target instance configuration. You can use the
+// returned [long-running operation][google.longrunning.Operation] to track
+// the progress of moving the instance.
+//
+// MoveInstance returns FAILED_PRECONDITION if the instance meets any of
+// the following criteria:
+//
+//	Is undergoing a move to a different instance configuration
+//
+//	Has backups
+//
+//	Has an ongoing update
+//
+//	Contains any CMEK-enabled databases
+//
+//	Is a free trial instance
+//
+// While the operation is pending:
+//
+//	All other attempts to modify the instance, including changes to its
+//	compute capacity, are rejected.
+//
+//	The following database and backup admin operations are rejected:
+//
+//	  DatabaseAdmin.CreateDatabase
+//
+//	  DatabaseAdmin.UpdateDatabaseDdl (disabled if default_leader is
+//	  specified in the request.)
+//
+//	  DatabaseAdmin.RestoreDatabase
+//
+//	  DatabaseAdmin.CreateBackup
+//
+//	  DatabaseAdmin.CopyBackup
+//
+//	Both the source and target instance configurations are subject to
+//	hourly compute and storage charges.
+//
+//	The instance might experience higher read-write latencies and a higher
+//	transaction abort rate. However, moving an instance doesn’t cause any
+//	downtime.
+//
+// The returned [long-running operation][google.longrunning.Operation] has
+// a name of the format
+// <instance_name>/operations/<operation_id> and can be used to track
+// the move instance operation. The
+// metadata field type is
+// MoveInstanceMetadata.
+// The response field type is
+// Instance,
+// if successful.
+// Cancelling the operation sets its metadata’s
+// cancel_time.
+// Cancellation is not immediate because it involves moving any data
+// previously moved to the target instance configuration back to the original
+// instance configuration. You can use this operation to track the progress of
+// the cancellation. Upon successful completion of the cancellation, the
+// operation terminates with CANCELLED status.
+//
+// If not cancelled, upon completion of the returned operation:
+//
+//	The instance successfully moves to the target instance
+//	configuration.
+//
+//	You are billed for compute and storage in target instance
+//	configuration.
+//
+// Authorization requires the spanner.instances.update permission on
+// the resource instance.
+//
+// For more details, see
+// Move an instance (at https://cloud.google.com/spanner/docs/move-instance).
+func (c *InstanceAdminClient) MoveInstance(ctx context.Context, req *instancepb.MoveInstanceRequest, opts ...gax.CallOption) (*MoveInstanceOperation, error) {
+	return c.internalClient.MoveInstance(ctx, req, opts...)
+}
+
+// MoveInstanceOperation returns a new MoveInstanceOperation from a given name.
+// The name must be that of a previously created MoveInstanceOperation, possibly from a different process.
+func (c *InstanceAdminClient) MoveInstanceOperation(name string) *MoveInstanceOperation {
+	return c.internalClient.MoveInstanceOperation(name)
+}
+
+// instanceAdminGRPCClient is a client for interacting with Cloud Spanner Instance Admin API over gRPC transport.
+//
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+type instanceAdminGRPCClient struct {
+	// Connection pool of gRPC connections to the service.
+	connPool gtransport.ConnPool
+
+	// Points back to the CallOptions field of the containing InstanceAdminClient
+	CallOptions **InstanceAdminCallOptions
+
+	// The gRPC API client.
+	instanceAdminClient instancepb.InstanceAdminClient
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient **lroauto.OperationsClient
+
+	// The x-goog-* metadata to be sent with each request.
+	xGoogHeaders []string
+}
+
+// NewInstanceAdminClient creates a new instance admin client based on gRPC.
+// The returned client must be Closed when it is done being used to clean up its underlying connections.
+//
+// # Cloud Spanner Instance Admin API
+//
+// The Cloud Spanner Instance Admin API can be used to create, delete,
+// modify and list instances. Instances are dedicated Cloud Spanner serving
+// and storage resources to be used by Cloud Spanner databases.
+//
+// Each instance has a “configuration”, which dictates where the
+// serving resources for the Cloud Spanner instance are located (e.g.,
+// US-central, Europe). Configurations are created by Google based on
+// resource availability.
+//
+// Cloud Spanner billing is based on the instances that exist and their
+// sizes. After an instance exists, there are no additional
+// per-database or per-operation charges for use of the instance
+// (though there may be additional network bandwidth charges).
+// Instances offer isolation: problems with databases in one instance
+// will not affect other instances. However, within an instance
+// databases can affect each other. For example, if one database in an
+// instance receives a lot of requests and consumes most of the
+// instance resources, fewer resources are available for other
+// databases in that instance, and their performance may suffer.
+func NewInstanceAdminClient(ctx context.Context, opts ...option.ClientOption) (*InstanceAdminClient, error) {
+	clientOpts := defaultInstanceAdminGRPCClientOptions()
+	if newInstanceAdminClientHook != nil {
+		hookOpts, err := newInstanceAdminClientHook(ctx, clientHookParams{})
+		if err != nil {
+			return nil, err
+		}
+		clientOpts = append(clientOpts, hookOpts...)
+	}
+
+	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
+	if err != nil {
+		return nil, err
+	}
+	client := InstanceAdminClient{CallOptions: defaultInstanceAdminCallOptions()}
+
+	c := &instanceAdminGRPCClient{
+		connPool:            connPool,
+		instanceAdminClient: instancepb.NewInstanceAdminClient(connPool),
+		CallOptions:         &client.CallOptions,
+	}
+	c.setGoogleClientInfo()
+
+	client.internalClient = c
+
+	client.LROClient, err = lroauto.NewOperationsClient(ctx, gtransport.WithConnPool(connPool))
+	if err != nil {
+		// This error "should not happen", since we are just reusing old connection pool
+		// and never actually need to dial.
+		// If this does happen, we could leak connp. However, we cannot close conn:
+		// If the user invoked the constructor with option.WithGRPCConn,
+		// we would close a connection that's still in use.
+		// TODO: investigate error conditions.
+		return nil, err
+	}
+	c.LROClient = &client.LROClient
+	return &client, nil
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: Connections are now pooled so this method does not always
+// return the same resource.
+func (c *instanceAdminGRPCClient) Connection() *grpc.ClientConn {
+	return c.connPool.Conn()
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *instanceAdminGRPCClient) setGoogleClientInfo(keyval ...string) {
+	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
+	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
+	c.xGoogHeaders = []string{
+		"x-goog-api-client", gax.XGoogHeader(kv...),
+	}
+}
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *instanceAdminGRPCClient) Close() error {
+	return c.connPool.Close()
+}
+
+// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
+type instanceAdminRESTClient struct {
+	// The http endpoint to connect to.
+	endpoint string
+
+	// The http client.
+	httpClient *http.Client
+
+	// LROClient is used internally to handle long-running operations.
+	// It is exposed so that its CallOptions can be modified if required.
+	// Users should not Close this client.
+	LROClient **lroauto.OperationsClient
+
+	// The x-goog-* headers to be sent with each request.
+	xGoogHeaders []string
+
+	// Points back to the CallOptions field of the containing InstanceAdminClient
+	CallOptions **InstanceAdminCallOptions
+}
+
+// NewInstanceAdminRESTClient creates a new instance admin rest client.
+//
+// # Cloud Spanner Instance Admin API
+//
+// The Cloud Spanner Instance Admin API can be used to create, delete,
+// modify and list instances. Instances are dedicated Cloud Spanner serving
+// and storage resources to be used by Cloud Spanner databases.
+//
+// Each instance has a “configuration”, which dictates where the
+// serving resources for the Cloud Spanner instance are located (e.g.,
+// US-central, Europe). Configurations are created by Google based on
+// resource availability.
+//
+// Cloud Spanner billing is based on the instances that exist and their
+// sizes. After an instance exists, there are no additional
+// per-database or per-operation charges for use of the instance
+// (though there may be additional network bandwidth charges).
+// Instances offer isolation: problems with databases in one instance
+// will not affect other instances. However, within an instance
+// databases can affect each other. For example, if one database in an
+// instance receives a lot of requests and consumes most of the
+// instance resources, fewer resources are available for other
+// databases in that instance, and their performance may suffer.
+func NewInstanceAdminRESTClient(ctx context.Context, opts ...option.ClientOption) (*InstanceAdminClient, error) {
+	clientOpts := append(defaultInstanceAdminRESTClientOptions(), opts...)
+	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
+	if err != nil {
+		return nil, err
+	}
+
+	callOpts := defaultInstanceAdminRESTCallOptions()
+	c := &instanceAdminRESTClient{
+		endpoint:    endpoint,
+		httpClient:  httpClient,
+		CallOptions: &callOpts,
+	}
+	c.setGoogleClientInfo()
+
+	lroOpts := []option.ClientOption{
+		option.WithHTTPClient(httpClient),
+		option.WithEndpoint(endpoint),
+	}
+	opClient, err := lroauto.NewOperationsRESTClient(ctx, lroOpts...)
+	if err != nil {
+		return nil, err
+	}
+	c.LROClient = &opClient
+
+	return &InstanceAdminClient{internalClient: c, CallOptions: callOpts}, nil
+}
+
+func defaultInstanceAdminRESTClientOptions() []option.ClientOption {
+	return []option.ClientOption{
+		internaloption.WithDefaultEndpoint("https://spanner.googleapis.com"),
+		internaloption.WithDefaultEndpointTemplate("https://spanner.UNIVERSE_DOMAIN"),
+		internaloption.WithDefaultMTLSEndpoint("https://spanner.mtls.googleapis.com"),
+		internaloption.WithDefaultUniverseDomain("googleapis.com"),
+		internaloption.WithDefaultAudience("https://spanner.googleapis.com/"),
+		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
+	}
+}
+
+// setGoogleClientInfo sets the name and version of the application in
+// the `x-goog-api-client` header passed on each request. Intended for
+// use by Google-written clients.
+func (c *instanceAdminRESTClient) setGoogleClientInfo(keyval ...string) {
+	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
+	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
+	c.xGoogHeaders = []string{
+		"x-goog-api-client", gax.XGoogHeader(kv...),
+	}
+}
+
+// Close closes the connection to the API service. The user should invoke this when
+// the client is no longer required.
+func (c *instanceAdminRESTClient) Close() error {
+	// Replace httpClient with nil to force cleanup.
+	c.httpClient = nil
+	return nil
+}
+
+// Connection returns a connection to the API service.
+//
+// Deprecated: This method always returns nil.
+func (c *instanceAdminRESTClient) Connection() *grpc.ClientConn {
+	return nil
+}
+func (c *instanceAdminGRPCClient) ListInstanceConfigs(ctx context.Context, req *instancepb.ListInstanceConfigsRequest, opts ...gax.CallOption) *InstanceConfigIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListInstanceConfigs[0:len((*c.CallOptions).ListInstanceConfigs):len((*c.CallOptions).ListInstanceConfigs)], opts...)
+	it := &InstanceConfigIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstanceConfigsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.InstanceConfig, string, error) {
+		resp := &instancepb.ListInstanceConfigsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstanceConfigs(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetInstanceConfigs(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *instanceAdminGRPCClient) GetInstanceConfig(ctx context.Context, req *instancepb.GetInstanceConfigRequest, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstanceConfig[0:len((*c.CallOptions).GetInstanceConfig):len((*c.CallOptions).GetInstanceConfig)], opts...)
+	var resp *instancepb.InstanceConfig
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetInstanceConfig(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) CreateInstanceConfig(ctx context.Context, req *instancepb.CreateInstanceConfigRequest, opts ...gax.CallOption) (*CreateInstanceConfigOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateInstanceConfig[0:len((*c.CallOptions).CreateInstanceConfig):len((*c.CallOptions).CreateInstanceConfig)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.CreateInstanceConfig(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateInstanceConfigOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) UpdateInstanceConfig(ctx context.Context, req *instancepb.UpdateInstanceConfigRequest, opts ...gax.CallOption) (*UpdateInstanceConfigOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance_config.name", url.QueryEscape(req.GetInstanceConfig().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateInstanceConfig[0:len((*c.CallOptions).UpdateInstanceConfig):len((*c.CallOptions).UpdateInstanceConfig)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.UpdateInstanceConfig(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateInstanceConfigOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) DeleteInstanceConfig(ctx context.Context, req *instancepb.DeleteInstanceConfigRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteInstanceConfig[0:len((*c.CallOptions).DeleteInstanceConfig):len((*c.CallOptions).DeleteInstanceConfig)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.instanceAdminClient.DeleteInstanceConfig(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *instanceAdminGRPCClient) ListInstanceConfigOperations(ctx context.Context, req *instancepb.ListInstanceConfigOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListInstanceConfigOperations[0:len((*c.CallOptions).ListInstanceConfigOperations):len((*c.CallOptions).ListInstanceConfigOperations)], opts...)
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstanceConfigOperationsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &instancepb.ListInstanceConfigOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstanceConfigOperations(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *instanceAdminGRPCClient) ListInstances(ctx context.Context, req *instancepb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListInstances[0:len((*c.CallOptions).ListInstances):len((*c.CallOptions).ListInstances)], opts...)
+	it := &InstanceIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancesRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.Instance, string, error) {
+		resp := &instancepb.ListInstancesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstances(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetInstances(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *instanceAdminGRPCClient) ListInstancePartitions(ctx context.Context, req *instancepb.ListInstancePartitionsRequest, opts ...gax.CallOption) *InstancePartitionIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListInstancePartitions[0:len((*c.CallOptions).ListInstancePartitions):len((*c.CallOptions).ListInstancePartitions)], opts...)
+	it := &InstancePartitionIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancePartitionsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.InstancePartition, string, error) {
+		resp := &instancepb.ListInstancePartitionsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstancePartitions(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetInstancePartitions(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *instanceAdminGRPCClient) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstance[0:len((*c.CallOptions).GetInstance):len((*c.CallOptions).GetInstance)], opts...)
+	var resp *instancepb.Instance
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) CreateInstance(ctx context.Context, req *instancepb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateInstance[0:len((*c.CallOptions).CreateInstance):len((*c.CallOptions).CreateInstance)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.CreateInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) UpdateInstance(ctx context.Context, req *instancepb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance.name", url.QueryEscape(req.GetInstance().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateInstance[0:len((*c.CallOptions).UpdateInstance):len((*c.CallOptions).UpdateInstance)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.UpdateInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) DeleteInstance(ctx context.Context, req *instancepb.DeleteInstanceRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteInstance[0:len((*c.CallOptions).DeleteInstance):len((*c.CallOptions).DeleteInstance)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.instanceAdminClient.DeleteInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *instanceAdminGRPCClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.SetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
+	var resp *iampb.Policy
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetIamPolicy(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
+	var resp *iampb.TestIamPermissionsResponse
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.TestIamPermissions(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) GetInstancePartition(ctx context.Context, req *instancepb.GetInstancePartitionRequest, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstancePartition[0:len((*c.CallOptions).GetInstancePartition):len((*c.CallOptions).GetInstancePartition)], opts...)
+	var resp *instancepb.InstancePartition
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.GetInstancePartition(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return resp, nil
+}
+
+func (c *instanceAdminGRPCClient) CreateInstancePartition(ctx context.Context, req *instancepb.CreateInstancePartitionRequest, opts ...gax.CallOption) (*CreateInstancePartitionOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).CreateInstancePartition[0:len((*c.CallOptions).CreateInstancePartition):len((*c.CallOptions).CreateInstancePartition)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.CreateInstancePartition(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &CreateInstancePartitionOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) DeleteInstancePartition(ctx context.Context, req *instancepb.DeleteInstancePartitionRequest, opts ...gax.CallOption) error {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).DeleteInstancePartition[0:len((*c.CallOptions).DeleteInstancePartition):len((*c.CallOptions).DeleteInstancePartition)], opts...)
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		_, err = c.instanceAdminClient.DeleteInstancePartition(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	return err
+}
+
+func (c *instanceAdminGRPCClient) UpdateInstancePartition(ctx context.Context, req *instancepb.UpdateInstancePartitionRequest, opts ...gax.CallOption) (*UpdateInstancePartitionOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance_partition.name", url.QueryEscape(req.GetInstancePartition().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).UpdateInstancePartition[0:len((*c.CallOptions).UpdateInstancePartition):len((*c.CallOptions).UpdateInstancePartition)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.UpdateInstancePartition(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &UpdateInstancePartitionOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+func (c *instanceAdminGRPCClient) ListInstancePartitionOperations(ctx context.Context, req *instancepb.ListInstancePartitionOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).ListInstancePartitionOperations[0:len((*c.CallOptions).ListInstancePartitionOperations):len((*c.CallOptions).ListInstancePartitionOperations)], opts...)
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancePartitionOperationsRequest)
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &instancepb.ListInstancePartitionOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			var err error
+			resp, err = c.instanceAdminClient.ListInstancePartitionOperations(ctx, req, settings.GRPC...)
+			return err
+		}, opts...)
+		if err != nil {
+			return nil, "", err
+		}
+
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+func (c *instanceAdminGRPCClient) MoveInstance(ctx context.Context, req *instancepb.MoveInstanceRequest, opts ...gax.CallOption) (*MoveInstanceOperation, error) {
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
+	opts = append((*c.CallOptions).MoveInstance[0:len((*c.CallOptions).MoveInstance):len((*c.CallOptions).MoveInstance)], opts...)
+	var resp *longrunningpb.Operation
+	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		var err error
+		resp, err = c.instanceAdminClient.MoveInstance(ctx, req, settings.GRPC...)
+		return err
+	}, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return &MoveInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
+	}, nil
+}
+
+// ListInstanceConfigs lists the supported instance configurations for a given project.
+func (c *instanceAdminRESTClient) ListInstanceConfigs(ctx context.Context, req *instancepb.ListInstanceConfigsRequest, opts ...gax.CallOption) *InstanceConfigIterator {
+	it := &InstanceConfigIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstanceConfigsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.InstanceConfig, string, error) {
+		resp := &instancepb.ListInstanceConfigsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/instanceConfigs", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetInstanceConfigs(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// GetInstanceConfig gets information about a particular instance configuration.
+func (c *instanceAdminRESTClient) GetInstanceConfig(ctx context.Context, req *instancepb.GetInstanceConfigRequest, opts ...gax.CallOption) (*instancepb.InstanceConfig, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstanceConfig[0:len((*c.CallOptions).GetInstanceConfig):len((*c.CallOptions).GetInstanceConfig)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &instancepb.InstanceConfig{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// CreateInstanceConfig creates an instance configuration and begins preparing it to be used. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new
+// instance configuration. The instance configuration name is assigned by the
+// caller. If the named instance configuration already exists,
+// CreateInstanceConfig returns ALREADY_EXISTS.
+//
+// Immediately after the request returns:
+//
+//	The instance configuration is readable via the API, with all requested
+//	attributes. The instance configuration’s
+//	reconciling
+//	field is set to true. Its state is CREATING.
+//
+// While the operation is pending:
+//
+//	Cancelling the operation renders the instance configuration immediately
+//	unreadable via the API.
+//
+//	Except for deleting the creating resource, all other attempts to modify
+//	the instance configuration are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Instances can be created using the instance configuration.
+//
+//	The instance configuration’s
+//	reconciling
+//	field becomes false. Its state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_config_name>/operations/<operation_id> and can be used to track
+// creation of the instance configuration. The
+// metadata field type is
+// CreateInstanceConfigMetadata.
+// The response field type is
+// InstanceConfig, if
+// successful.
+//
+// Authorization requires spanner.instanceConfigs.create permission on
+// the resource
+// parent.
+func (c *instanceAdminRESTClient) CreateInstanceConfig(ctx context.Context, req *instancepb.CreateInstanceConfigRequest, opts ...gax.CallOption) (*CreateInstanceConfigOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/instanceConfigs", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CreateInstanceConfigOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// UpdateInstanceConfig updates an instance configuration. The returned
+// [long-running operation][google.longrunning.Operation] can be used to track
+// the progress of updating the instance. If the named instance configuration
+// does not exist, returns NOT_FOUND.
+//
+// Only user-managed configurations can be updated.
+//
+// Immediately after the request returns:
+//
+//	The instance configuration’s
+//	reconciling
+//	field is set to true.
+//
+// While the operation is pending:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time.
+//	The operation is guaranteed to succeed at undoing all changes, after
+//	which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance configuration are rejected.
+//
+//	Reading the instance configuration via the API continues to give the
+//	pre-request values.
+//
+// Upon completion of the returned operation:
+//
+//	Creating instances using the instance configuration uses the new
+//	values.
+//
+//	The new values of the instance configuration are readable via the API.
+//
+//	The instance configuration’s
+//	reconciling
+//	field becomes false.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_config_name>/operations/<operation_id> and can be used to track
+// the instance configuration modification.  The
+// metadata field type is
+// UpdateInstanceConfigMetadata.
+// The response field type is
+// InstanceConfig, if
+// successful.
+//
+// Authorization requires spanner.instanceConfigs.update permission on
+// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name (at http://google.spanner.admin.instance.v1.InstanceConfig.name)].
+func (c *instanceAdminRESTClient) UpdateInstanceConfig(ctx context.Context, req *instancepb.UpdateInstanceConfigRequest, opts ...gax.CallOption) (*UpdateInstanceConfigOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetInstanceConfig().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance_config.name", url.QueryEscape(req.GetInstanceConfig().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &UpdateInstanceConfigOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// DeleteInstanceConfig deletes the instance configuration. Deletion is only allowed when no
+// instances are using the configuration. If any instances are using
+// the configuration, returns FAILED_PRECONDITION.
+//
+// Only user-managed configurations can be deleted.
+//
+// Authorization requires spanner.instanceConfigs.delete permission on
+// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name (at http://google.spanner.admin.instance.v1.InstanceConfig.name)].
+func (c *instanceAdminRESTClient) DeleteInstanceConfig(ctx context.Context, req *instancepb.DeleteInstanceConfigRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetEtag() != "" {
+		params.Add("etag", fmt.Sprintf("%v", req.GetEtag()))
+	}
+	if req.GetValidateOnly() {
+		params.Add("validateOnly", fmt.Sprintf("%v", req.GetValidateOnly()))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// ListInstanceConfigOperations lists the user-managed instance configuration [long-running
+// operations][google.longrunning.Operation] in the given project. An instance
+// configuration operation has a name of the form
+// projects/<project>/instanceConfigs/<instance_config>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.start_time in descending order starting
+// from the most recently started operation.
+func (c *instanceAdminRESTClient) ListInstanceConfigOperations(ctx context.Context, req *instancepb.ListInstanceConfigOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstanceConfigOperationsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &instancepb.ListInstanceConfigOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/instanceConfigOperations", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// ListInstances lists all instances in the given project.
+func (c *instanceAdminRESTClient) ListInstances(ctx context.Context, req *instancepb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
+	it := &InstanceIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancesRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.Instance, string, error) {
+		resp := &instancepb.ListInstancesResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/instances", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetInstanceDeadline() != nil {
+			instanceDeadline, err := protojson.Marshal(req.GetInstanceDeadline())
+			if err != nil {
+				return nil, "", err
+			}
+			params.Add("instanceDeadline", string(instanceDeadline[1:len(instanceDeadline)-1]))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetInstances(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// ListInstancePartitions lists all instance partitions for the given instance.
+func (c *instanceAdminRESTClient) ListInstancePartitions(ctx context.Context, req *instancepb.ListInstancePartitionsRequest, opts ...gax.CallOption) *InstancePartitionIterator {
+	it := &InstancePartitionIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancePartitionsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*instancepb.InstancePartition, string, error) {
+		resp := &instancepb.ListInstancePartitionsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/instancePartitions", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetInstancePartitionDeadline() != nil {
+			instancePartitionDeadline, err := protojson.Marshal(req.GetInstancePartitionDeadline())
+			if err != nil {
+				return nil, "", err
+			}
+			params.Add("instancePartitionDeadline", string(instancePartitionDeadline[1:len(instancePartitionDeadline)-1]))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetInstancePartitions(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// GetInstance gets information about a particular instance.
+func (c *instanceAdminRESTClient) GetInstance(ctx context.Context, req *instancepb.GetInstanceRequest, opts ...gax.CallOption) (*instancepb.Instance, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetFieldMask() != nil {
+		fieldMask, err := protojson.Marshal(req.GetFieldMask())
+		if err != nil {
+			return nil, err
+		}
+		params.Add("fieldMask", string(fieldMask[1:len(fieldMask)-1]))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstance[0:len((*c.CallOptions).GetInstance):len((*c.CallOptions).GetInstance)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &instancepb.Instance{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// CreateInstance creates an instance and begins preparing it to begin serving. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new
+// instance. The instance name is assigned by the caller. If the
+// named instance already exists, CreateInstance returns
+// ALREADY_EXISTS.
+//
+// Immediately upon completion of this request:
+//
+//	The instance is readable via the API, with all requested attributes
+//	but no allocated resources. Its state is CREATING.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation renders the instance immediately unreadable
+//	via the API.
+//
+//	The instance can be deleted.
+//
+//	All other attempts to modify the instance are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Billing for all successfully-allocated resources begins (some types
+//	may have lower than the requested levels).
+//
+//	Databases can be created in the instance.
+//
+//	The instance’s allocated resource levels are readable via the API.
+//
+//	The instance’s state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <instance_name>/operations/<operation_id> and
+// can be used to track creation of the instance.  The
+// metadata field type is
+// CreateInstanceMetadata.
+// The response field type is
+// Instance, if successful.
+func (c *instanceAdminRESTClient) CreateInstance(ctx context.Context, req *instancepb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/instances", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CreateInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// UpdateInstance updates an instance, and begins allocating or releasing resources
+// as requested. The returned [long-running
+// operation][google.longrunning.Operation] can be used to track the
+// progress of updating the instance. If the named instance does not
+// exist, returns NOT_FOUND.
+//
+// Immediately upon completion of this request:
+//
+//	For resource types for which a decrease in the instance’s allocation
+//	has been requested, billing is based on the newly-requested level.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time,
+//	and begins restoring resources to their pre-request values. The
+//	operation is guaranteed to succeed at undoing all resource changes,
+//	after which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance are rejected.
+//
+//	Reading the instance via the API continues to give the pre-request
+//	resource levels.
+//
+// Upon completion of the returned operation:
+//
+//	Billing begins for all successfully-allocated resources (some types
+//	may have lower than the requested levels).
+//
+//	All newly-reserved resources are available for serving the instance’s
+//	tables.
+//
+//	The instance’s new resource levels are readable via the API.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format <instance_name>/operations/<operation_id> and
+// can be used to track the instance modification.  The
+// metadata field type is
+// UpdateInstanceMetadata.
+// The response field type is
+// Instance, if successful.
+//
+// Authorization requires spanner.instances.update permission on
+// the resource [name][google.spanner.admin.instance.v1.Instance.name (at http://google.spanner.admin.instance.v1.Instance.name)].
+func (c *instanceAdminRESTClient) UpdateInstance(ctx context.Context, req *instancepb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetInstance().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance.name", url.QueryEscape(req.GetInstance().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &UpdateInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// DeleteInstance deletes an instance.
+//
+// Immediately upon completion of the request:
+//
+//	Billing ceases for all of the instance’s reserved resources.
+//
+// Soon afterward:
+//
+//	The instance and all of its databases immediately and
+//	irrevocably disappear from the API. All data in the databases
+//	is permanently deleted.
+func (c *instanceAdminRESTClient) DeleteInstance(ctx context.Context, req *instancepb.DeleteInstanceRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// SetIamPolicy sets the access control policy on an instance resource. Replaces any
+// existing policy.
+//
+// Authorization requires spanner.instances.setIamPolicy on
+// resource.
+func (c *instanceAdminRESTClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:setIamPolicy", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.Policy{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// GetIamPolicy gets the access control policy for an instance resource. Returns an empty
+// policy if an instance exists but does not have a policy set.
+//
+// Authorization requires spanner.instances.getIamPolicy on
+// resource.
+func (c *instanceAdminRESTClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:getIamPolicy", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.Policy{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// TestIamPermissions returns permissions that the caller has on the specified instance resource.
+//
+// Attempting this RPC on a non-existent Cloud Spanner instance resource will
+// result in a NOT_FOUND error if the user has spanner.instances.list
+// permission on the containing Google Cloud Project. Otherwise returns an
+// empty set of permissions.
+func (c *instanceAdminRESTClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:testIamPermissions", req.GetResource())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &iampb.TestIamPermissionsResponse{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// GetInstancePartition gets information about a particular instance partition.
+func (c *instanceAdminRESTClient) GetInstancePartition(ctx context.Context, req *instancepb.GetInstancePartitionRequest, opts ...gax.CallOption) (*instancepb.InstancePartition, error) {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	opts = append((*c.CallOptions).GetInstancePartition[0:len((*c.CallOptions).GetInstancePartition):len((*c.CallOptions).GetInstancePartition)], opts...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &instancepb.InstancePartition{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+	return resp, nil
+}
+
+// CreateInstancePartition creates an instance partition and begins preparing it to be used. The
+// returned [long-running operation][google.longrunning.Operation]
+// can be used to track the progress of preparing the new instance partition.
+// The instance partition name is assigned by the caller. If the named
+// instance partition already exists, CreateInstancePartition returns
+// ALREADY_EXISTS.
+//
+// Immediately upon completion of this request:
+//
+//	The instance partition is readable via the API, with all requested
+//	attributes but no allocated resources. Its state is CREATING.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation renders the instance partition immediately
+//	unreadable via the API.
+//
+//	The instance partition can be deleted.
+//
+//	All other attempts to modify the instance partition are rejected.
+//
+// Upon completion of the returned operation:
+//
+//	Billing for all successfully-allocated resources begins (some types
+//	may have lower than the requested levels).
+//
+//	Databases can start using this instance partition.
+//
+//	The instance partition’s allocated resource levels are readable via the
+//	API.
+//
+//	The instance partition’s state becomes READY.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_partition_name>/operations/<operation_id> and can be used to
+// track creation of the instance partition.  The
+// metadata field type is
+// CreateInstancePartitionMetadata.
+// The response field type is
+// InstancePartition, if
+// successful.
+func (c *instanceAdminRESTClient) CreateInstancePartition(ctx context.Context, req *instancepb.CreateInstancePartitionRequest, opts ...gax.CallOption) (*CreateInstancePartitionOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v/instancePartitions", req.GetParent())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &CreateInstancePartitionOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// DeleteInstancePartition deletes an existing instance partition. Requires that the
+// instance partition is not used by any database or backup and is not the
+// default instance partition of an instance.
+//
+// Authorization requires spanner.instancePartitions.delete permission on
+// the resource
+// [name][google.spanner.admin.instance.v1.InstancePartition.name (at http://google.spanner.admin.instance.v1.InstancePartition.name)].
+func (c *instanceAdminRESTClient) DeleteInstancePartition(ctx context.Context, req *instancepb.DeleteInstancePartitionRequest, opts ...gax.CallOption) error {
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+	if req.GetEtag() != "" {
+		params.Add("etag", fmt.Sprintf("%v", req.GetEtag()))
+	}
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		// Returns nil if there is no error, otherwise wraps
+		// the response code and body into a non-nil error
+		return googleapi.CheckResponse(httpRsp)
+	}, opts...)
+}
+
+// UpdateInstancePartition updates an instance partition, and begins allocating or releasing resources
+// as requested. The returned [long-running
+// operation][google.longrunning.Operation] can be used to track the
+// progress of updating the instance partition. If the named instance
+// partition does not exist, returns NOT_FOUND.
+//
+// Immediately upon completion of this request:
+//
+//	For resource types for which a decrease in the instance partition’s
+//	allocation has been requested, billing is based on the newly-requested
+//	level.
+//
+// Until completion of the returned operation:
+//
+//	Cancelling the operation sets its metadata’s
+//	cancel_time,
+//	and begins restoring resources to their pre-request values. The
+//	operation is guaranteed to succeed at undoing all resource changes,
+//	after which point it terminates with a CANCELLED status.
+//
+//	All other attempts to modify the instance partition are rejected.
+//
+//	Reading the instance partition via the API continues to give the
+//	pre-request resource levels.
+//
+// Upon completion of the returned operation:
+//
+//	Billing begins for all successfully-allocated resources (some types
+//	may have lower than the requested levels).
+//
+//	All newly-reserved resources are available for serving the instance
+//	partition’s tables.
+//
+//	The instance partition’s new resource levels are readable via the API.
+//
+// The returned [long-running operation][google.longrunning.Operation] will
+// have a name of the format
+// <instance_partition_name>/operations/<operation_id> and can be used to
+// track the instance partition modification. The
+// metadata field type is
+// UpdateInstancePartitionMetadata.
+// The response field type is
+// InstancePartition, if
+// successful.
+//
+// Authorization requires spanner.instancePartitions.update permission on
+// the resource
+// [name][google.spanner.admin.instance.v1.InstancePartition.name (at http://google.spanner.admin.instance.v1.InstancePartition.name)].
+func (c *instanceAdminRESTClient) UpdateInstancePartition(ctx context.Context, req *instancepb.UpdateInstancePartitionRequest, opts ...gax.CallOption) (*UpdateInstancePartitionOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v", req.GetInstancePartition().GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "instance_partition.name", url.QueryEscape(req.GetInstancePartition().GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &UpdateInstancePartitionOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// ListInstancePartitionOperations lists instance partition [long-running
+// operations][google.longrunning.Operation] in the given instance.
+// An instance partition operation has a name of the form
+// projects/<project>/instances/<instance>/instancePartitions/<instance_partition>/operations/<operation>.
+// The long-running operation
+// metadata field type
+// metadata.type_url describes the type of the metadata. Operations returned
+// include those that have completed/failed/canceled within the last 7 days,
+// and pending operations. Operations returned are ordered by
+// operation.metadata.value.start_time in descending order starting from the
+// most recently started operation.
+//
+// Authorization requires spanner.instancePartitionOperations.list
+// permission on the resource
+// parent.
+func (c *instanceAdminRESTClient) ListInstancePartitionOperations(ctx context.Context, req *instancepb.ListInstancePartitionOperationsRequest, opts ...gax.CallOption) *OperationIterator {
+	it := &OperationIterator{}
+	req = proto.Clone(req).(*instancepb.ListInstancePartitionOperationsRequest)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	it.InternalFetch = func(pageSize int, pageToken string) ([]*longrunningpb.Operation, string, error) {
+		resp := &instancepb.ListInstancePartitionOperationsResponse{}
+		if pageToken != "" {
+			req.PageToken = pageToken
+		}
+		if pageSize > math.MaxInt32 {
+			req.PageSize = math.MaxInt32
+		} else if pageSize != 0 {
+			req.PageSize = int32(pageSize)
+		}
+		baseUrl, err := url.Parse(c.endpoint)
+		if err != nil {
+			return nil, "", err
+		}
+		baseUrl.Path += fmt.Sprintf("/v1/%v/instancePartitionOperations", req.GetParent())
+
+		params := url.Values{}
+		params.Add("$alt", "json;enum-encoding=int")
+		if req.GetFilter() != "" {
+			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
+		}
+		if req.GetInstancePartitionDeadline() != nil {
+			instancePartitionDeadline, err := protojson.Marshal(req.GetInstancePartitionDeadline())
+			if err != nil {
+				return nil, "", err
+			}
+			params.Add("instancePartitionDeadline", string(instancePartitionDeadline[1:len(instancePartitionDeadline)-1]))
+		}
+		if req.GetPageSize() != 0 {
+			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
+		}
+		if req.GetPageToken() != "" {
+			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
+		}
+
+		baseUrl.RawQuery = params.Encode()
+
+		// Build HTTP headers from client and context metadata.
+		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
+		headers := gax.BuildHeaders(ctx, hds...)
+		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+			if settings.Path != "" {
+				baseUrl.Path = settings.Path
+			}
+			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
+			if err != nil {
+				return err
+			}
+			httpReq.Header = headers
+
+			httpRsp, err := c.httpClient.Do(httpReq)
+			if err != nil {
+				return err
+			}
+			defer httpRsp.Body.Close()
+
+			if err = googleapi.CheckResponse(httpRsp); err != nil {
+				return err
+			}
+
+			buf, err := io.ReadAll(httpRsp.Body)
+			if err != nil {
+				return err
+			}
+
+			if err := unm.Unmarshal(buf, resp); err != nil {
+				return err
+			}
+
+			return nil
+		}, opts...)
+		if e != nil {
+			return nil, "", e
+		}
+		it.Response = resp
+		return resp.GetOperations(), resp.GetNextPageToken(), nil
+	}
+
+	fetch := func(pageSize int, pageToken string) (string, error) {
+		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
+		if err != nil {
+			return "", err
+		}
+		it.items = append(it.items, items...)
+		return nextPageToken, nil
+	}
+
+	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
+	it.pageInfo.MaxSize = int(req.GetPageSize())
+	it.pageInfo.Token = req.GetPageToken()
+
+	return it
+}
+
+// MoveInstance moves an instance to the target instance configuration. You can use the
+// returned [long-running operation][google.longrunning.Operation] to track
+// the progress of moving the instance.
+//
+// MoveInstance returns FAILED_PRECONDITION if the instance meets any of
+// the following criteria:
+//
+//	Is undergoing a move to a different instance configuration
+//
+//	Has backups
+//
+//	Has an ongoing update
+//
+//	Contains any CMEK-enabled databases
+//
+//	Is a free trial instance
+//
+// While the operation is pending:
+//
+//	All other attempts to modify the instance, including changes to its
+//	compute capacity, are rejected.
+//
+//	The following database and backup admin operations are rejected:
+//
+//	  DatabaseAdmin.CreateDatabase
+//
+//	  DatabaseAdmin.UpdateDatabaseDdl (disabled if default_leader is
+//	  specified in the request.)
+//
+//	  DatabaseAdmin.RestoreDatabase
+//
+//	  DatabaseAdmin.CreateBackup
+//
+//	  DatabaseAdmin.CopyBackup
+//
+//	Both the source and target instance configurations are subject to
+//	hourly compute and storage charges.
+//
+//	The instance might experience higher read-write latencies and a higher
+//	transaction abort rate. However, moving an instance doesn’t cause any
+//	downtime.
+//
+// The returned [long-running operation][google.longrunning.Operation] has
+// a name of the format
+// <instance_name>/operations/<operation_id> and can be used to track
+// the move instance operation. The
+// metadata field type is
+// MoveInstanceMetadata.
+// The response field type is
+// Instance,
+// if successful.
+// Cancelling the operation sets its metadata’s
+// cancel_time.
+// Cancellation is not immediate because it involves moving any data
+// previously moved to the target instance configuration back to the original
+// instance configuration. You can use this operation to track the progress of
+// the cancellation. Upon successful completion of the cancellation, the
+// operation terminates with CANCELLED status.
+//
+// If not cancelled, upon completion of the returned operation:
+//
+//	The instance successfully moves to the target instance
+//	configuration.
+//
+//	You are billed for compute and storage in target instance
+//	configuration.
+//
+// Authorization requires the spanner.instances.update permission on
+// the resource instance.
+//
+// For more details, see
+// Move an instance (at https://cloud.google.com/spanner/docs/move-instance).
+func (c *instanceAdminRESTClient) MoveInstance(ctx context.Context, req *instancepb.MoveInstanceRequest, opts ...gax.CallOption) (*MoveInstanceOperation, error) {
+	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
+	jsonReq, err := m.Marshal(req)
+	if err != nil {
+		return nil, err
+	}
+
+	baseUrl, err := url.Parse(c.endpoint)
+	if err != nil {
+		return nil, err
+	}
+	baseUrl.Path += fmt.Sprintf("/v1/%v:move", req.GetName())
+
+	params := url.Values{}
+	params.Add("$alt", "json;enum-encoding=int")
+
+	baseUrl.RawQuery = params.Encode()
+
+	// Build HTTP headers from client and context metadata.
+	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName()))}
+
+	hds = append(c.xGoogHeaders, hds...)
+	hds = append(hds, "Content-Type", "application/json")
+	headers := gax.BuildHeaders(ctx, hds...)
+	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
+	resp := &longrunningpb.Operation{}
+	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
+		if settings.Path != "" {
+			baseUrl.Path = settings.Path
+		}
+		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
+		if err != nil {
+			return err
+		}
+		httpReq = httpReq.WithContext(ctx)
+		httpReq.Header = headers
+
+		httpRsp, err := c.httpClient.Do(httpReq)
+		if err != nil {
+			return err
+		}
+		defer httpRsp.Body.Close()
+
+		if err = googleapi.CheckResponse(httpRsp); err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(httpRsp.Body)
+		if err != nil {
+			return err
+		}
+
+		if err := unm.Unmarshal(buf, resp); err != nil {
+			return err
+		}
+
+		return nil
+	}, opts...)
+	if e != nil {
+		return nil, e
+	}
+
+	override := fmt.Sprintf("/v1/%s", resp.GetName())
+	return &MoveInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
+		pollPath: override,
+	}, nil
+}
+
+// CreateInstanceOperation returns a new CreateInstanceOperation from a given name.
+// The name must be that of a previously created CreateInstanceOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
+	return &CreateInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CreateInstanceOperation returns a new CreateInstanceOperation from a given name.
+// The name must be that of a previously created CreateInstanceOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CreateInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// CreateInstanceConfigOperation returns a new CreateInstanceConfigOperation from a given name.
+// The name must be that of a previously created CreateInstanceConfigOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) CreateInstanceConfigOperation(name string) *CreateInstanceConfigOperation {
+	return &CreateInstanceConfigOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CreateInstanceConfigOperation returns a new CreateInstanceConfigOperation from a given name.
+// The name must be that of a previously created CreateInstanceConfigOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) CreateInstanceConfigOperation(name string) *CreateInstanceConfigOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CreateInstanceConfigOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// CreateInstancePartitionOperation returns a new CreateInstancePartitionOperation from a given name.
+// The name must be that of a previously created CreateInstancePartitionOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) CreateInstancePartitionOperation(name string) *CreateInstancePartitionOperation {
+	return &CreateInstancePartitionOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// CreateInstancePartitionOperation returns a new CreateInstancePartitionOperation from a given name.
+// The name must be that of a previously created CreateInstancePartitionOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) CreateInstancePartitionOperation(name string) *CreateInstancePartitionOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &CreateInstancePartitionOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// MoveInstanceOperation returns a new MoveInstanceOperation from a given name.
+// The name must be that of a previously created MoveInstanceOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) MoveInstanceOperation(name string) *MoveInstanceOperation {
+	return &MoveInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// MoveInstanceOperation returns a new MoveInstanceOperation from a given name.
+// The name must be that of a previously created MoveInstanceOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) MoveInstanceOperation(name string) *MoveInstanceOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &MoveInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// UpdateInstanceOperation returns a new UpdateInstanceOperation from a given name.
+// The name must be that of a previously created UpdateInstanceOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
+	return &UpdateInstanceOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// UpdateInstanceOperation returns a new UpdateInstanceOperation from a given name.
+// The name must be that of a previously created UpdateInstanceOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &UpdateInstanceOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// UpdateInstanceConfigOperation returns a new UpdateInstanceConfigOperation from a given name.
+// The name must be that of a previously created UpdateInstanceConfigOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) UpdateInstanceConfigOperation(name string) *UpdateInstanceConfigOperation {
+	return &UpdateInstanceConfigOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// UpdateInstanceConfigOperation returns a new UpdateInstanceConfigOperation from a given name.
+// The name must be that of a previously created UpdateInstanceConfigOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) UpdateInstanceConfigOperation(name string) *UpdateInstanceConfigOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &UpdateInstanceConfigOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
+
+// UpdateInstancePartitionOperation returns a new UpdateInstancePartitionOperation from a given name.
+// The name must be that of a previously created UpdateInstancePartitionOperation, possibly from a different process.
+func (c *instanceAdminGRPCClient) UpdateInstancePartitionOperation(name string) *UpdateInstancePartitionOperation {
+	return &UpdateInstancePartitionOperation{
+		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+	}
+}
+
+// UpdateInstancePartitionOperation returns a new UpdateInstancePartitionOperation from a given name.
+// The name must be that of a previously created UpdateInstancePartitionOperation, possibly from a different process.
+func (c *instanceAdminRESTClient) UpdateInstancePartitionOperation(name string) *UpdateInstancePartitionOperation {
+	override := fmt.Sprintf("/v1/%s", name)
+	return &UpdateInstancePartitionOperation{
+		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
+		pollPath: override,
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/common.pb.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/common.pb.go
new file mode 100644
index 000000000..0e529b45c
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/common.pb.go
@@ -0,0 +1,279 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/instance/v1/common.proto
+
+package instancepb
+
+import (
+	reflect "reflect"
+	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Indicates the expected fulfillment period of an operation.
+type FulfillmentPeriod int32
+
+const (
+	// Not specified.
+	FulfillmentPeriod_FULFILLMENT_PERIOD_UNSPECIFIED FulfillmentPeriod = 0
+	// Normal fulfillment period. The operation is expected to complete within
+	// minutes.
+	FulfillmentPeriod_FULFILLMENT_PERIOD_NORMAL FulfillmentPeriod = 1
+	// Extended fulfillment period. It can take up to an hour for the operation
+	// to complete.
+	FulfillmentPeriod_FULFILLMENT_PERIOD_EXTENDED FulfillmentPeriod = 2
+)
+
+// Enum value maps for FulfillmentPeriod.
+var (
+	FulfillmentPeriod_name = map[int32]string{
+		0: "FULFILLMENT_PERIOD_UNSPECIFIED",
+		1: "FULFILLMENT_PERIOD_NORMAL",
+		2: "FULFILLMENT_PERIOD_EXTENDED",
+	}
+	FulfillmentPeriod_value = map[string]int32{
+		"FULFILLMENT_PERIOD_UNSPECIFIED": 0,
+		"FULFILLMENT_PERIOD_NORMAL":      1,
+		"FULFILLMENT_PERIOD_EXTENDED":    2,
+	}
+)
+
+func (x FulfillmentPeriod) Enum() *FulfillmentPeriod {
+	p := new(FulfillmentPeriod)
+	*p = x
+	return p
+}
+
+func (x FulfillmentPeriod) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (FulfillmentPeriod) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_common_proto_enumTypes[0].Descriptor()
+}
+
+func (FulfillmentPeriod) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_common_proto_enumTypes[0]
+}
+
+func (x FulfillmentPeriod) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use FulfillmentPeriod.Descriptor instead.
+func (FulfillmentPeriod) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_common_proto_rawDescGZIP(), []int{0}
+}
+
+// Encapsulates progress related information for a Cloud Spanner long
+// running instance operations.
+type OperationProgress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Percent completion of the operation.
+	// Values are between 0 and 100 inclusive.
+	ProgressPercent int32 `protobuf:"varint,1,opt,name=progress_percent,json=progressPercent,proto3" json:"progress_percent,omitempty"`
+	// Time the request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// If set, the time at which this operation failed or was completed
+	// successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+}
+
+func (x *OperationProgress) Reset() {
+	*x = OperationProgress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_common_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OperationProgress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OperationProgress) ProtoMessage() {}
+
+func (x *OperationProgress) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_common_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OperationProgress.ProtoReflect.Descriptor instead.
+func (*OperationProgress) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_common_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *OperationProgress) GetProgressPercent() int32 {
+	if x != nil {
+		return x.ProgressPercent
+	}
+	return 0
+}
+
+func (x *OperationProgress) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *OperationProgress) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+var File_google_spanner_admin_instance_v1_common_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_instance_v1_common_proto_rawDesc = []byte{
+	0x0a, 0x2d, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x73, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72,
+	0x2f, 0x61, 0x64, 0x6d, 0x69, 0x6e, 0x2f, 0x69, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x2f,
+	0x76, 0x31, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x73, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x2e,
+	0x61, 0x64, 0x6d, 0x69, 0x6e, 0x2e, 0x69, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x2e, 0x76,
+	0x31, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x22, 0xb0, 0x01, 0x0a, 0x11, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e,
+	0x50, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73, 0x12, 0x29, 0x0a, 0x10, 0x70, 0x72, 0x6f, 0x67,
+	0x72, 0x65, 0x73, 0x73, 0x5f, 0x70, 0x65, 0x72, 0x63, 0x65, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x05, 0x52, 0x0f, 0x70, 0x72, 0x6f, 0x67, 0x72, 0x65, 0x73, 0x73, 0x50, 0x65, 0x72, 0x63,
+	0x65, 0x6e, 0x74, 0x12, 0x39, 0x0a, 0x0a, 0x73, 0x74, 0x61, 0x72, 0x74, 0x5f, 0x74, 0x69, 0x6d,
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+	0x5c, 0x43, 0x6c, 0x6f, 0x75, 0x64, 0x5c, 0x53, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x5c, 0x41,
+	0x64, 0x6d, 0x69, 0x6e, 0x5c, 0x49, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x5c, 0x56, 0x31,
+	0xea, 0x02, 0x2b, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x3a, 0x3a, 0x43, 0x6c, 0x6f, 0x75, 0x64,
+	0x3a, 0x3a, 0x53, 0x70, 0x61, 0x6e, 0x6e, 0x65, 0x72, 0x3a, 0x3a, 0x41, 0x64, 0x6d, 0x69, 0x6e,
+	0x3a, 0x3a, 0x49, 0x6e, 0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x3a, 0x3a, 0x56, 0x31, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_google_spanner_admin_instance_v1_common_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_instance_v1_common_proto_rawDescData = file_google_spanner_admin_instance_v1_common_proto_rawDesc
+)
+
+func file_google_spanner_admin_instance_v1_common_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_instance_v1_common_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_instance_v1_common_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_instance_v1_common_proto_rawDescData)
+	})
+	return file_google_spanner_admin_instance_v1_common_proto_rawDescData
+}
+
+var file_google_spanner_admin_instance_v1_common_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_google_spanner_admin_instance_v1_common_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_google_spanner_admin_instance_v1_common_proto_goTypes = []any{
+	(FulfillmentPeriod)(0),        // 0: google.spanner.admin.instance.v1.FulfillmentPeriod
+	(*OperationProgress)(nil),     // 1: google.spanner.admin.instance.v1.OperationProgress
+	(*timestamppb.Timestamp)(nil), // 2: google.protobuf.Timestamp
+}
+var file_google_spanner_admin_instance_v1_common_proto_depIdxs = []int32{
+	2, // 0: google.spanner.admin.instance.v1.OperationProgress.start_time:type_name -> google.protobuf.Timestamp
+	2, // 1: google.spanner.admin.instance.v1.OperationProgress.end_time:type_name -> google.protobuf.Timestamp
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_instance_v1_common_proto_init() }
+func file_google_spanner_admin_instance_v1_common_proto_init() {
+	if File_google_spanner_admin_instance_v1_common_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_instance_v1_common_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*OperationProgress); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_instance_v1_common_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_google_spanner_admin_instance_v1_common_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_instance_v1_common_proto_depIdxs,
+		EnumInfos:         file_google_spanner_admin_instance_v1_common_proto_enumTypes,
+		MessageInfos:      file_google_spanner_admin_instance_v1_common_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_instance_v1_common_proto = out.File
+	file_google_spanner_admin_instance_v1_common_proto_rawDesc = nil
+	file_google_spanner_admin_instance_v1_common_proto_goTypes = nil
+	file_google_spanner_admin_instance_v1_common_proto_depIdxs = nil
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/spanner_instance_admin.pb.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/spanner_instance_admin.pb.go
new file mode 100644
index 000000000..10b80281b
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/instancepb/spanner_instance_admin.pb.go
@@ -0,0 +1,6928 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v4.25.3
+// source: google/spanner/admin/instance/v1/spanner_instance_admin.proto
+
+package instancepb
+
+import (
+	context "context"
+	reflect "reflect"
+	sync "sync"
+
+	iampb "cloud.google.com/go/iam/apiv1/iampb"
+	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	fieldmaskpb "google.golang.org/protobuf/types/known/fieldmaskpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Indicates the type of replica.  See the [replica types
+// documentation](https://cloud.google.com/spanner/docs/replication#replica_types)
+// for more details.
+type ReplicaInfo_ReplicaType int32
+
+const (
+	// Not specified.
+	ReplicaInfo_TYPE_UNSPECIFIED ReplicaInfo_ReplicaType = 0
+	// Read-write replicas support both reads and writes. These replicas:
+	//
+	// * Maintain a full copy of your data.
+	// * Serve reads.
+	// * Can vote whether to commit a write.
+	// * Participate in leadership election.
+	// * Are eligible to become a leader.
+	ReplicaInfo_READ_WRITE ReplicaInfo_ReplicaType = 1
+	// Read-only replicas only support reads (not writes). Read-only replicas:
+	//
+	// * Maintain a full copy of your data.
+	// * Serve reads.
+	// * Do not participate in voting to commit writes.
+	// * Are not eligible to become a leader.
+	ReplicaInfo_READ_ONLY ReplicaInfo_ReplicaType = 2
+	// Witness replicas don't support reads but do participate in voting to
+	// commit writes. Witness replicas:
+	//
+	// * Do not maintain a full copy of data.
+	// * Do not serve reads.
+	// * Vote whether to commit writes.
+	// * Participate in leader election but are not eligible to become leader.
+	ReplicaInfo_WITNESS ReplicaInfo_ReplicaType = 3
+)
+
+// Enum value maps for ReplicaInfo_ReplicaType.
+var (
+	ReplicaInfo_ReplicaType_name = map[int32]string{
+		0: "TYPE_UNSPECIFIED",
+		1: "READ_WRITE",
+		2: "READ_ONLY",
+		3: "WITNESS",
+	}
+	ReplicaInfo_ReplicaType_value = map[string]int32{
+		"TYPE_UNSPECIFIED": 0,
+		"READ_WRITE":       1,
+		"READ_ONLY":        2,
+		"WITNESS":          3,
+	}
+)
+
+func (x ReplicaInfo_ReplicaType) Enum() *ReplicaInfo_ReplicaType {
+	p := new(ReplicaInfo_ReplicaType)
+	*p = x
+	return p
+}
+
+func (x ReplicaInfo_ReplicaType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ReplicaInfo_ReplicaType) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[0].Descriptor()
+}
+
+func (ReplicaInfo_ReplicaType) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[0]
+}
+
+func (x ReplicaInfo_ReplicaType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ReplicaInfo_ReplicaType.Descriptor instead.
+func (ReplicaInfo_ReplicaType) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{0, 0}
+}
+
+// The type of this configuration.
+type InstanceConfig_Type int32
+
+const (
+	// Unspecified.
+	InstanceConfig_TYPE_UNSPECIFIED InstanceConfig_Type = 0
+	// Google managed configuration.
+	InstanceConfig_GOOGLE_MANAGED InstanceConfig_Type = 1
+	// User managed configuration.
+	InstanceConfig_USER_MANAGED InstanceConfig_Type = 2
+)
+
+// Enum value maps for InstanceConfig_Type.
+var (
+	InstanceConfig_Type_name = map[int32]string{
+		0: "TYPE_UNSPECIFIED",
+		1: "GOOGLE_MANAGED",
+		2: "USER_MANAGED",
+	}
+	InstanceConfig_Type_value = map[string]int32{
+		"TYPE_UNSPECIFIED": 0,
+		"GOOGLE_MANAGED":   1,
+		"USER_MANAGED":     2,
+	}
+)
+
+func (x InstanceConfig_Type) Enum() *InstanceConfig_Type {
+	p := new(InstanceConfig_Type)
+	*p = x
+	return p
+}
+
+func (x InstanceConfig_Type) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (InstanceConfig_Type) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[1].Descriptor()
+}
+
+func (InstanceConfig_Type) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[1]
+}
+
+func (x InstanceConfig_Type) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use InstanceConfig_Type.Descriptor instead.
+func (InstanceConfig_Type) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{1, 0}
+}
+
+// Indicates the current state of the instance configuration.
+type InstanceConfig_State int32
+
+const (
+	// Not specified.
+	InstanceConfig_STATE_UNSPECIFIED InstanceConfig_State = 0
+	// The instance configuration is still being created.
+	InstanceConfig_CREATING InstanceConfig_State = 1
+	// The instance configuration is fully created and ready to be used to
+	// create instances.
+	InstanceConfig_READY InstanceConfig_State = 2
+)
+
+// Enum value maps for InstanceConfig_State.
+var (
+	InstanceConfig_State_name = map[int32]string{
+		0: "STATE_UNSPECIFIED",
+		1: "CREATING",
+		2: "READY",
+	}
+	InstanceConfig_State_value = map[string]int32{
+		"STATE_UNSPECIFIED": 0,
+		"CREATING":          1,
+		"READY":             2,
+	}
+)
+
+func (x InstanceConfig_State) Enum() *InstanceConfig_State {
+	p := new(InstanceConfig_State)
+	*p = x
+	return p
+}
+
+func (x InstanceConfig_State) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (InstanceConfig_State) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[2].Descriptor()
+}
+
+func (InstanceConfig_State) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[2]
+}
+
+func (x InstanceConfig_State) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use InstanceConfig_State.Descriptor instead.
+func (InstanceConfig_State) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{1, 1}
+}
+
+// Indicates the current state of the instance.
+type Instance_State int32
+
+const (
+	// Not specified.
+	Instance_STATE_UNSPECIFIED Instance_State = 0
+	// The instance is still being created. Resources may not be
+	// available yet, and operations such as database creation may not
+	// work.
+	Instance_CREATING Instance_State = 1
+	// The instance is fully created and ready to do work such as
+	// creating databases.
+	Instance_READY Instance_State = 2
+)
+
+// Enum value maps for Instance_State.
+var (
+	Instance_State_name = map[int32]string{
+		0: "STATE_UNSPECIFIED",
+		1: "CREATING",
+		2: "READY",
+	}
+	Instance_State_value = map[string]int32{
+		"STATE_UNSPECIFIED": 0,
+		"CREATING":          1,
+		"READY":             2,
+	}
+)
+
+func (x Instance_State) Enum() *Instance_State {
+	p := new(Instance_State)
+	*p = x
+	return p
+}
+
+func (x Instance_State) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Instance_State) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[3].Descriptor()
+}
+
+func (Instance_State) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[3]
+}
+
+func (x Instance_State) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Instance_State.Descriptor instead.
+func (Instance_State) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{3, 0}
+}
+
+// The edition selected for this instance. Different editions provide
+// different capabilities at different price points.
+type Instance_Edition int32
+
+const (
+	// Edition not specified.
+	Instance_EDITION_UNSPECIFIED Instance_Edition = 0
+	// Standard edition.
+	Instance_STANDARD Instance_Edition = 1
+	// Enterprise edition.
+	Instance_ENTERPRISE Instance_Edition = 2
+	// Enterprise Plus edition.
+	Instance_ENTERPRISE_PLUS Instance_Edition = 3
+)
+
+// Enum value maps for Instance_Edition.
+var (
+	Instance_Edition_name = map[int32]string{
+		0: "EDITION_UNSPECIFIED",
+		1: "STANDARD",
+		2: "ENTERPRISE",
+		3: "ENTERPRISE_PLUS",
+	}
+	Instance_Edition_value = map[string]int32{
+		"EDITION_UNSPECIFIED": 0,
+		"STANDARD":            1,
+		"ENTERPRISE":          2,
+		"ENTERPRISE_PLUS":     3,
+	}
+)
+
+func (x Instance_Edition) Enum() *Instance_Edition {
+	p := new(Instance_Edition)
+	*p = x
+	return p
+}
+
+func (x Instance_Edition) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Instance_Edition) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[4].Descriptor()
+}
+
+func (Instance_Edition) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[4]
+}
+
+func (x Instance_Edition) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Instance_Edition.Descriptor instead.
+func (Instance_Edition) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{3, 1}
+}
+
+// Indicates the current state of the instance partition.
+type InstancePartition_State int32
+
+const (
+	// Not specified.
+	InstancePartition_STATE_UNSPECIFIED InstancePartition_State = 0
+	// The instance partition is still being created. Resources may not be
+	// available yet, and operations such as creating placements using this
+	// instance partition may not work.
+	InstancePartition_CREATING InstancePartition_State = 1
+	// The instance partition is fully created and ready to do work such as
+	// creating placements and using in databases.
+	InstancePartition_READY InstancePartition_State = 2
+)
+
+// Enum value maps for InstancePartition_State.
+var (
+	InstancePartition_State_name = map[int32]string{
+		0: "STATE_UNSPECIFIED",
+		1: "CREATING",
+		2: "READY",
+	}
+	InstancePartition_State_value = map[string]int32{
+		"STATE_UNSPECIFIED": 0,
+		"CREATING":          1,
+		"READY":             2,
+	}
+)
+
+func (x InstancePartition_State) Enum() *InstancePartition_State {
+	p := new(InstancePartition_State)
+	*p = x
+	return p
+}
+
+func (x InstancePartition_State) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (InstancePartition_State) Descriptor() protoreflect.EnumDescriptor {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[5].Descriptor()
+}
+
+func (InstancePartition_State) Type() protoreflect.EnumType {
+	return &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes[5]
+}
+
+func (x InstancePartition_State) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use InstancePartition_State.Descriptor instead.
+func (InstancePartition_State) EnumDescriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{22, 0}
+}
+
+type ReplicaInfo struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The location of the serving resources, e.g. "us-central1".
+	Location string `protobuf:"bytes,1,opt,name=location,proto3" json:"location,omitempty"`
+	// The type of replica.
+	Type ReplicaInfo_ReplicaType `protobuf:"varint,2,opt,name=type,proto3,enum=google.spanner.admin.instance.v1.ReplicaInfo_ReplicaType" json:"type,omitempty"`
+	// If true, this location is designated as the default leader location where
+	// leader replicas are placed. See the [region types
+	// documentation](https://cloud.google.com/spanner/docs/instances#region_types)
+	// for more details.
+	DefaultLeaderLocation bool `protobuf:"varint,3,opt,name=default_leader_location,json=defaultLeaderLocation,proto3" json:"default_leader_location,omitempty"`
+}
+
+func (x *ReplicaInfo) Reset() {
+	*x = ReplicaInfo{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ReplicaInfo) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReplicaInfo) ProtoMessage() {}
+
+func (x *ReplicaInfo) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ReplicaInfo.ProtoReflect.Descriptor instead.
+func (*ReplicaInfo) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ReplicaInfo) GetLocation() string {
+	if x != nil {
+		return x.Location
+	}
+	return ""
+}
+
+func (x *ReplicaInfo) GetType() ReplicaInfo_ReplicaType {
+	if x != nil {
+		return x.Type
+	}
+	return ReplicaInfo_TYPE_UNSPECIFIED
+}
+
+func (x *ReplicaInfo) GetDefaultLeaderLocation() bool {
+	if x != nil {
+		return x.DefaultLeaderLocation
+	}
+	return false
+}
+
+// A possible configuration for a Cloud Spanner instance. Configurations
+// define the geographic placement of nodes and their replication.
+type InstanceConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// A unique identifier for the instance configuration.  Values
+	// are of the form
+	// `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+	//
+	// User instance configuration must start with `custom-`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The name of this instance configuration as it appears in UIs.
+	DisplayName string `protobuf:"bytes,2,opt,name=display_name,json=displayName,proto3" json:"display_name,omitempty"`
+	// Output only. Whether this instance configuration is a Google-managed or
+	// user-managed configuration.
+	ConfigType InstanceConfig_Type `protobuf:"varint,5,opt,name=config_type,json=configType,proto3,enum=google.spanner.admin.instance.v1.InstanceConfig_Type" json:"config_type,omitempty"`
+	// The geographic placement of nodes in this instance configuration and their
+	// replication properties.
+	Replicas []*ReplicaInfo `protobuf:"bytes,3,rep,name=replicas,proto3" json:"replicas,omitempty"`
+	// Output only. The available optional replicas to choose from for user
+	// managed configurations. Populated for Google managed configurations.
+	OptionalReplicas []*ReplicaInfo `protobuf:"bytes,6,rep,name=optional_replicas,json=optionalReplicas,proto3" json:"optional_replicas,omitempty"`
+	// Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+	// based on which this configuration is created. Only set for user managed
+	// configurations. `base_config` must refer to a configuration of type
+	// GOOGLE_MANAGED in the same project as this configuration.
+	BaseConfig string `protobuf:"bytes,7,opt,name=base_config,json=baseConfig,proto3" json:"base_config,omitempty"`
+	// Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+	// resources into groups that reflect a customer's organizational needs and
+	// deployment strategies. Cloud Labels can be used to filter collections of
+	// resources. They can be used to control how resource metrics are aggregated.
+	// And they can be used as arguments to policy management rules (e.g. route,
+	// firewall, load balancing, etc.).
+	//
+	//   - Label keys must be between 1 and 63 characters long and must conform to
+	//     the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+	//   - Label values must be between 0 and 63 characters long and must conform
+	//     to the regular expression `[a-z0-9_-]{0,63}`.
+	//   - No more than 64 labels can be associated with a given resource.
+	//
+	// See https://goo.gl/xmQnxf for more information on and examples of labels.
+	//
+	// If you plan to use labels in your own code, please note that additional
+	// characters may be allowed in the future. Therefore, you are advised to use
+	// an internal label representation, such as JSON, which doesn't rely upon
+	// specific characters being disallowed.  For example, representing labels
+	// as the string:  name + "_" + value  would prove problematic if we were to
+	// allow "_" in a future release.
+	Labels map[string]string `protobuf:"bytes,8,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// etag is used for optimistic concurrency control as a way
+	// to help prevent simultaneous updates of a instance configuration from
+	// overwriting each other. It is strongly suggested that systems make use of
+	// the etag in the read-modify-write cycle to perform instance configuration
+	// updates in order to avoid race conditions: An etag is returned in the
+	// response which contains instance configurations, and systems are expected
+	// to put that etag in the request to update instance configuration to ensure
+	// that their change is applied to the same version of the instance
+	// configuration. If no etag is provided in the call to update the instance
+	// configuration, then the existing instance configuration is overwritten
+	// blindly.
+	Etag string `protobuf:"bytes,9,opt,name=etag,proto3" json:"etag,omitempty"`
+	// Allowed values of the "default_leader" schema option for databases in
+	// instances that use this instance configuration.
+	LeaderOptions []string `protobuf:"bytes,4,rep,name=leader_options,json=leaderOptions,proto3" json:"leader_options,omitempty"`
+	// Output only. If true, the instance configuration is being created or
+	// updated. If false, there are no ongoing operations for the instance
+	// configuration.
+	Reconciling bool `protobuf:"varint,10,opt,name=reconciling,proto3" json:"reconciling,omitempty"`
+	// Output only. The current instance configuration state. Applicable only for
+	// `USER_MANAGED` configurations.
+	State InstanceConfig_State `protobuf:"varint,11,opt,name=state,proto3,enum=google.spanner.admin.instance.v1.InstanceConfig_State" json:"state,omitempty"`
+}
+
+func (x *InstanceConfig) Reset() {
+	*x = InstanceConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InstanceConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InstanceConfig) ProtoMessage() {}
+
+func (x *InstanceConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InstanceConfig.ProtoReflect.Descriptor instead.
+func (*InstanceConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *InstanceConfig) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *InstanceConfig) GetDisplayName() string {
+	if x != nil {
+		return x.DisplayName
+	}
+	return ""
+}
+
+func (x *InstanceConfig) GetConfigType() InstanceConfig_Type {
+	if x != nil {
+		return x.ConfigType
+	}
+	return InstanceConfig_TYPE_UNSPECIFIED
+}
+
+func (x *InstanceConfig) GetReplicas() []*ReplicaInfo {
+	if x != nil {
+		return x.Replicas
+	}
+	return nil
+}
+
+func (x *InstanceConfig) GetOptionalReplicas() []*ReplicaInfo {
+	if x != nil {
+		return x.OptionalReplicas
+	}
+	return nil
+}
+
+func (x *InstanceConfig) GetBaseConfig() string {
+	if x != nil {
+		return x.BaseConfig
+	}
+	return ""
+}
+
+func (x *InstanceConfig) GetLabels() map[string]string {
+	if x != nil {
+		return x.Labels
+	}
+	return nil
+}
+
+func (x *InstanceConfig) GetEtag() string {
+	if x != nil {
+		return x.Etag
+	}
+	return ""
+}
+
+func (x *InstanceConfig) GetLeaderOptions() []string {
+	if x != nil {
+		return x.LeaderOptions
+	}
+	return nil
+}
+
+func (x *InstanceConfig) GetReconciling() bool {
+	if x != nil {
+		return x.Reconciling
+	}
+	return false
+}
+
+func (x *InstanceConfig) GetState() InstanceConfig_State {
+	if x != nil {
+		return x.State
+	}
+	return InstanceConfig_STATE_UNSPECIFIED
+}
+
+// Autoscaling configuration for an instance.
+type AutoscalingConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. Autoscaling limits for an instance.
+	AutoscalingLimits *AutoscalingConfig_AutoscalingLimits `protobuf:"bytes,1,opt,name=autoscaling_limits,json=autoscalingLimits,proto3" json:"autoscaling_limits,omitempty"`
+	// Required. The autoscaling targets for an instance.
+	AutoscalingTargets *AutoscalingConfig_AutoscalingTargets `protobuf:"bytes,2,opt,name=autoscaling_targets,json=autoscalingTargets,proto3" json:"autoscaling_targets,omitempty"`
+}
+
+func (x *AutoscalingConfig) Reset() {
+	*x = AutoscalingConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AutoscalingConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AutoscalingConfig) ProtoMessage() {}
+
+func (x *AutoscalingConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AutoscalingConfig.ProtoReflect.Descriptor instead.
+func (*AutoscalingConfig) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *AutoscalingConfig) GetAutoscalingLimits() *AutoscalingConfig_AutoscalingLimits {
+	if x != nil {
+		return x.AutoscalingLimits
+	}
+	return nil
+}
+
+func (x *AutoscalingConfig) GetAutoscalingTargets() *AutoscalingConfig_AutoscalingTargets {
+	if x != nil {
+		return x.AutoscalingTargets
+	}
+	return nil
+}
+
+// An isolated set of Cloud Spanner resources on which databases can be hosted.
+type Instance struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. A unique identifier for the instance, which cannot be changed
+	// after the instance is created. Values are of the form
+	// `projects/<project>/instances/[a-z][-a-z0-9]*[a-z0-9]`. The final
+	// segment of the name must be between 2 and 64 characters in length.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Required. The name of the instance's configuration. Values are of the form
+	// `projects/<project>/instanceConfigs/<configuration>`. See
+	// also [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig] and
+	// [ListInstanceConfigs][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs].
+	Config string `protobuf:"bytes,2,opt,name=config,proto3" json:"config,omitempty"`
+	// Required. The descriptive name for this instance as it appears in UIs.
+	// Must be unique per project and between 4 and 30 characters in length.
+	DisplayName string `protobuf:"bytes,3,opt,name=display_name,json=displayName,proto3" json:"display_name,omitempty"`
+	// The number of nodes allocated to this instance. At most one of either
+	// node_count or processing_units should be present in the message.
+	//
+	// Users can set the node_count field to specify the target number of nodes
+	// allocated to the instance.
+	//
+	// This may be zero in API responses for instances that are not yet in state
+	// `READY`.
+	//
+	// See [the
+	// documentation](https://cloud.google.com/spanner/docs/compute-capacity)
+	// for more information about nodes and processing units.
+	NodeCount int32 `protobuf:"varint,5,opt,name=node_count,json=nodeCount,proto3" json:"node_count,omitempty"`
+	// The number of processing units allocated to this instance. At most one of
+	// processing_units or node_count should be present in the message.
+	//
+	// Users can set the processing_units field to specify the target number of
+	// processing units allocated to the instance.
+	//
+	// This may be zero in API responses for instances that are not yet in state
+	// `READY`.
+	//
+	// See [the
+	// documentation](https://cloud.google.com/spanner/docs/compute-capacity)
+	// for more information about nodes and processing units.
+	ProcessingUnits int32 `protobuf:"varint,9,opt,name=processing_units,json=processingUnits,proto3" json:"processing_units,omitempty"`
+	// Optional. The autoscaling configuration. Autoscaling is enabled if this
+	// field is set. When autoscaling is enabled, node_count and processing_units
+	// are treated as OUTPUT_ONLY fields and reflect the current compute capacity
+	// allocated to the instance.
+	AutoscalingConfig *AutoscalingConfig `protobuf:"bytes,17,opt,name=autoscaling_config,json=autoscalingConfig,proto3" json:"autoscaling_config,omitempty"`
+	// Output only. The current instance state. For
+	// [CreateInstance][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance],
+	// the state must be either omitted or set to `CREATING`. For
+	// [UpdateInstance][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance],
+	// the state must be either omitted or set to `READY`.
+	State Instance_State `protobuf:"varint,6,opt,name=state,proto3,enum=google.spanner.admin.instance.v1.Instance_State" json:"state,omitempty"`
+	// Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+	// resources into groups that reflect a customer's organizational needs and
+	// deployment strategies. Cloud Labels can be used to filter collections of
+	// resources. They can be used to control how resource metrics are aggregated.
+	// And they can be used as arguments to policy management rules (e.g. route,
+	// firewall, load balancing, etc.).
+	//
+	//   - Label keys must be between 1 and 63 characters long and must conform to
+	//     the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+	//   - Label values must be between 0 and 63 characters long and must conform
+	//     to the regular expression `[a-z0-9_-]{0,63}`.
+	//   - No more than 64 labels can be associated with a given resource.
+	//
+	// See https://goo.gl/xmQnxf for more information on and examples of labels.
+	//
+	// If you plan to use labels in your own code, please note that additional
+	// characters may be allowed in the future. And so you are advised to use an
+	// internal label representation, such as JSON, which doesn't rely upon
+	// specific characters being disallowed.  For example, representing labels
+	// as the string:  name + "_" + value  would prove problematic if we were to
+	// allow "_" in a future release.
+	Labels map[string]string `protobuf:"bytes,7,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// Deprecated. This field is not populated.
+	EndpointUris []string `protobuf:"bytes,8,rep,name=endpoint_uris,json=endpointUris,proto3" json:"endpoint_uris,omitempty"`
+	// Output only. The time at which the instance was created.
+	CreateTime *timestamppb.Timestamp `protobuf:"bytes,11,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
+	// Output only. The time at which the instance was most recently updated.
+	UpdateTime *timestamppb.Timestamp `protobuf:"bytes,12,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty"`
+	// Optional. The `Edition` of the current instance.
+	Edition Instance_Edition `protobuf:"varint,20,opt,name=edition,proto3,enum=google.spanner.admin.instance.v1.Instance_Edition" json:"edition,omitempty"`
+}
+
+func (x *Instance) Reset() {
+	*x = Instance{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Instance) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Instance) ProtoMessage() {}
+
+func (x *Instance) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Instance.ProtoReflect.Descriptor instead.
+func (*Instance) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Instance) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Instance) GetConfig() string {
+	if x != nil {
+		return x.Config
+	}
+	return ""
+}
+
+func (x *Instance) GetDisplayName() string {
+	if x != nil {
+		return x.DisplayName
+	}
+	return ""
+}
+
+func (x *Instance) GetNodeCount() int32 {
+	if x != nil {
+		return x.NodeCount
+	}
+	return 0
+}
+
+func (x *Instance) GetProcessingUnits() int32 {
+	if x != nil {
+		return x.ProcessingUnits
+	}
+	return 0
+}
+
+func (x *Instance) GetAutoscalingConfig() *AutoscalingConfig {
+	if x != nil {
+		return x.AutoscalingConfig
+	}
+	return nil
+}
+
+func (x *Instance) GetState() Instance_State {
+	if x != nil {
+		return x.State
+	}
+	return Instance_STATE_UNSPECIFIED
+}
+
+func (x *Instance) GetLabels() map[string]string {
+	if x != nil {
+		return x.Labels
+	}
+	return nil
+}
+
+func (x *Instance) GetEndpointUris() []string {
+	if x != nil {
+		return x.EndpointUris
+	}
+	return nil
+}
+
+func (x *Instance) GetCreateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreateTime
+	}
+	return nil
+}
+
+func (x *Instance) GetUpdateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdateTime
+	}
+	return nil
+}
+
+func (x *Instance) GetEdition() Instance_Edition {
+	if x != nil {
+		return x.Edition
+	}
+	return Instance_EDITION_UNSPECIFIED
+}
+
+// The request for
+// [ListInstanceConfigs][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs].
+type ListInstanceConfigsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the project for which a list of supported instance
+	// configurations is requested. Values are of the form
+	// `projects/<project>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Number of instance configurations to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.instance.v1.ListInstanceConfigsResponse.next_page_token]
+	// from a previous
+	// [ListInstanceConfigsResponse][google.spanner.admin.instance.v1.ListInstanceConfigsResponse].
+	PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListInstanceConfigsRequest) Reset() {
+	*x = ListInstanceConfigsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstanceConfigsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstanceConfigsRequest) ProtoMessage() {}
+
+func (x *ListInstanceConfigsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstanceConfigsRequest.ProtoReflect.Descriptor instead.
+func (*ListInstanceConfigsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ListInstanceConfigsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListInstanceConfigsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListInstanceConfigsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListInstanceConfigs][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs].
+type ListInstanceConfigsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of requested instance configurations.
+	InstanceConfigs []*InstanceConfig `protobuf:"bytes,1,rep,name=instance_configs,json=instanceConfigs,proto3" json:"instance_configs,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListInstanceConfigs][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs]
+	// call to fetch more of the matching instance configurations.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListInstanceConfigsResponse) Reset() {
+	*x = ListInstanceConfigsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstanceConfigsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstanceConfigsResponse) ProtoMessage() {}
+
+func (x *ListInstanceConfigsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstanceConfigsResponse.ProtoReflect.Descriptor instead.
+func (*ListInstanceConfigsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ListInstanceConfigsResponse) GetInstanceConfigs() []*InstanceConfig {
+	if x != nil {
+		return x.InstanceConfigs
+	}
+	return nil
+}
+
+func (x *ListInstanceConfigsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [GetInstanceConfigRequest][google.spanner.admin.instance.v1.InstanceAdmin.GetInstanceConfig].
+type GetInstanceConfigRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the requested instance configuration. Values are of
+	// the form `projects/<project>/instanceConfigs/<config>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *GetInstanceConfigRequest) Reset() {
+	*x = GetInstanceConfigRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetInstanceConfigRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInstanceConfigRequest) ProtoMessage() {}
+
+func (x *GetInstanceConfigRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInstanceConfigRequest.ProtoReflect.Descriptor instead.
+func (*GetInstanceConfigRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *GetInstanceConfigRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [CreateInstanceConfigRequest][InstanceAdmin.CreateInstanceConfigRequest].
+type CreateInstanceConfigRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the project in which to create the instance
+	// configuration. Values are of the form `projects/<project>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The ID of the instance configuration to create. Valid identifiers
+	// are of the form `custom-[-a-z0-9]*[a-z0-9]` and must be between 2 and 64
+	// characters in length. The `custom-` prefix is required to avoid name
+	// conflicts with Google-managed configurations.
+	InstanceConfigId string `protobuf:"bytes,2,opt,name=instance_config_id,json=instanceConfigId,proto3" json:"instance_config_id,omitempty"`
+	// Required. The InstanceConfig proto of the configuration to create.
+	// instance_config.name must be
+	// `<parent>/instanceConfigs/<instance_config_id>`.
+	// instance_config.base_config must be a Google managed configuration name,
+	// e.g. <parent>/instanceConfigs/us-east1, <parent>/instanceConfigs/nam3.
+	InstanceConfig *InstanceConfig `protobuf:"bytes,3,opt,name=instance_config,json=instanceConfig,proto3" json:"instance_config,omitempty"`
+	// An option to validate, but not actually execute, a request,
+	// and provide the same response.
+	ValidateOnly bool `protobuf:"varint,4,opt,name=validate_only,json=validateOnly,proto3" json:"validate_only,omitempty"`
+}
+
+func (x *CreateInstanceConfigRequest) Reset() {
+	*x = CreateInstanceConfigRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstanceConfigRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstanceConfigRequest) ProtoMessage() {}
+
+func (x *CreateInstanceConfigRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstanceConfigRequest.ProtoReflect.Descriptor instead.
+func (*CreateInstanceConfigRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *CreateInstanceConfigRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateInstanceConfigRequest) GetInstanceConfigId() string {
+	if x != nil {
+		return x.InstanceConfigId
+	}
+	return ""
+}
+
+func (x *CreateInstanceConfigRequest) GetInstanceConfig() *InstanceConfig {
+	if x != nil {
+		return x.InstanceConfig
+	}
+	return nil
+}
+
+func (x *CreateInstanceConfigRequest) GetValidateOnly() bool {
+	if x != nil {
+		return x.ValidateOnly
+	}
+	return false
+}
+
+// The request for
+// [UpdateInstanceConfigRequest][InstanceAdmin.UpdateInstanceConfigRequest].
+type UpdateInstanceConfigRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The user instance configuration to update, which must always
+	// include the instance configuration name. Otherwise, only fields mentioned
+	// in
+	// [update_mask][google.spanner.admin.instance.v1.UpdateInstanceConfigRequest.update_mask]
+	// need be included. To prevent conflicts of concurrent updates,
+	// [etag][google.spanner.admin.instance.v1.InstanceConfig.reconciling] can
+	// be used.
+	InstanceConfig *InstanceConfig `protobuf:"bytes,1,opt,name=instance_config,json=instanceConfig,proto3" json:"instance_config,omitempty"`
+	// Required. A mask specifying which fields in
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig] should be
+	// updated. The field mask must always be specified; this prevents any future
+	// fields in [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig]
+	// from being erased accidentally by clients that do not know about them. Only
+	// display_name and labels can be updated.
+	UpdateMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=update_mask,json=updateMask,proto3" json:"update_mask,omitempty"`
+	// An option to validate, but not actually execute, a request,
+	// and provide the same response.
+	ValidateOnly bool `protobuf:"varint,3,opt,name=validate_only,json=validateOnly,proto3" json:"validate_only,omitempty"`
+}
+
+func (x *UpdateInstanceConfigRequest) Reset() {
+	*x = UpdateInstanceConfigRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstanceConfigRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstanceConfigRequest) ProtoMessage() {}
+
+func (x *UpdateInstanceConfigRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstanceConfigRequest.ProtoReflect.Descriptor instead.
+func (*UpdateInstanceConfigRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *UpdateInstanceConfigRequest) GetInstanceConfig() *InstanceConfig {
+	if x != nil {
+		return x.InstanceConfig
+	}
+	return nil
+}
+
+func (x *UpdateInstanceConfigRequest) GetUpdateMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.UpdateMask
+	}
+	return nil
+}
+
+func (x *UpdateInstanceConfigRequest) GetValidateOnly() bool {
+	if x != nil {
+		return x.ValidateOnly
+	}
+	return false
+}
+
+// The request for
+// [DeleteInstanceConfigRequest][InstanceAdmin.DeleteInstanceConfigRequest].
+type DeleteInstanceConfigRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance configuration to be deleted.
+	// Values are of the form
+	// `projects/<project>/instanceConfigs/<instance_config>`
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Used for optimistic concurrency control as a way to help prevent
+	// simultaneous deletes of an instance configuration from overwriting each
+	// other. If not empty, the API
+	// only deletes the instance configuration when the etag provided matches the
+	// current status of the requested instance configuration. Otherwise, deletes
+	// the instance configuration without checking the current status of the
+	// requested instance configuration.
+	Etag string `protobuf:"bytes,2,opt,name=etag,proto3" json:"etag,omitempty"`
+	// An option to validate, but not actually execute, a request,
+	// and provide the same response.
+	ValidateOnly bool `protobuf:"varint,3,opt,name=validate_only,json=validateOnly,proto3" json:"validate_only,omitempty"`
+}
+
+func (x *DeleteInstanceConfigRequest) Reset() {
+	*x = DeleteInstanceConfigRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteInstanceConfigRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteInstanceConfigRequest) ProtoMessage() {}
+
+func (x *DeleteInstanceConfigRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteInstanceConfigRequest.ProtoReflect.Descriptor instead.
+func (*DeleteInstanceConfigRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *DeleteInstanceConfigRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *DeleteInstanceConfigRequest) GetEtag() string {
+	if x != nil {
+		return x.Etag
+	}
+	return ""
+}
+
+func (x *DeleteInstanceConfigRequest) GetValidateOnly() bool {
+	if x != nil {
+		return x.ValidateOnly
+	}
+	return false
+}
+
+// The request for
+// [ListInstanceConfigOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigOperations].
+type ListInstanceConfigOperationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The project of the instance configuration operations.
+	// Values are of the form `projects/<project>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// An expression that filters the list of returned operations.
+	//
+	// A filter expression consists of a field name, a
+	// comparison operator, and a value for filtering.
+	// The value must be a string, a number, or a boolean. The comparison operator
+	// must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
+	// Colon `:` is the contains operator. Filter rules are not case sensitive.
+	//
+	// The following fields in the [Operation][google.longrunning.Operation]
+	// are eligible for filtering:
+	//
+	//   - `name` - The name of the long-running operation
+	//   - `done` - False if the operation is in progress, else true.
+	//   - `metadata.@type` - the type of metadata. For example, the type string
+	//     for
+	//     [CreateInstanceConfigMetadata][google.spanner.admin.instance.v1.CreateInstanceConfigMetadata]
+	//     is
+	//     `type.googleapis.com/google.spanner.admin.instance.v1.CreateInstanceConfigMetadata`.
+	//   - `metadata.<field_name>` - any field in metadata.value.
+	//     `metadata.@type` must be specified first, if filtering on metadata
+	//     fields.
+	//   - `error` - Error associated with the long-running operation.
+	//   - `response.@type` - the type of response.
+	//   - `response.<field_name>` - any field in response.value.
+	//
+	// You can combine multiple expressions by enclosing each expression in
+	// parentheses. By default, expressions are combined with AND logic. However,
+	// you can specify AND, OR, and NOT logic explicitly.
+	//
+	// Here are a few examples:
+	//
+	//   - `done:true` - The operation is complete.
+	//   - `(metadata.@type=` \
+	//     `type.googleapis.com/google.spanner.admin.instance.v1.CreateInstanceConfigMetadata)
+	//     AND` \
+	//     `(metadata.instance_config.name:custom-config) AND` \
+	//     `(metadata.progress.start_time < \"2021-03-28T14:50:00Z\") AND` \
+	//     `(error:*)` - Return operations where:
+	//   - The operation's metadata type is
+	//     [CreateInstanceConfigMetadata][google.spanner.admin.instance.v1.CreateInstanceConfigMetadata].
+	//   - The instance configuration name contains "custom-config".
+	//   - The operation started before 2021-03-28T14:50:00Z.
+	//   - The operation resulted in an error.
+	Filter string `protobuf:"bytes,2,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Number of operations to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.instance.v1.ListInstanceConfigOperationsResponse.next_page_token]
+	// from a previous
+	// [ListInstanceConfigOperationsResponse][google.spanner.admin.instance.v1.ListInstanceConfigOperationsResponse]
+	// to the same `parent` and with the same `filter`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+}
+
+func (x *ListInstanceConfigOperationsRequest) Reset() {
+	*x = ListInstanceConfigOperationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstanceConfigOperationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstanceConfigOperationsRequest) ProtoMessage() {}
+
+func (x *ListInstanceConfigOperationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstanceConfigOperationsRequest.ProtoReflect.Descriptor instead.
+func (*ListInstanceConfigOperationsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *ListInstanceConfigOperationsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListInstanceConfigOperationsRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListInstanceConfigOperationsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListInstanceConfigOperationsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+// The response for
+// [ListInstanceConfigOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigOperations].
+type ListInstanceConfigOperationsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of matching instance configuration [long-running
+	// operations][google.longrunning.Operation]. Each operation's name will be
+	// prefixed by the name of the instance configuration. The operation's
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata.
+	Operations []*longrunningpb.Operation `protobuf:"bytes,1,rep,name=operations,proto3" json:"operations,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListInstanceConfigOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigOperations]
+	// call to fetch more of the matching metadata.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+}
+
+func (x *ListInstanceConfigOperationsResponse) Reset() {
+	*x = ListInstanceConfigOperationsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstanceConfigOperationsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstanceConfigOperationsResponse) ProtoMessage() {}
+
+func (x *ListInstanceConfigOperationsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstanceConfigOperationsResponse.ProtoReflect.Descriptor instead.
+func (*ListInstanceConfigOperationsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *ListInstanceConfigOperationsResponse) GetOperations() []*longrunningpb.Operation {
+	if x != nil {
+		return x.Operations
+	}
+	return nil
+}
+
+func (x *ListInstanceConfigOperationsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+// The request for
+// [GetInstance][google.spanner.admin.instance.v1.InstanceAdmin.GetInstance].
+type GetInstanceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the requested instance. Values are of the form
+	// `projects/<project>/instances/<instance>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// If field_mask is present, specifies the subset of
+	// [Instance][google.spanner.admin.instance.v1.Instance] fields that should be
+	// returned. If absent, all
+	// [Instance][google.spanner.admin.instance.v1.Instance] fields are returned.
+	FieldMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=field_mask,json=fieldMask,proto3" json:"field_mask,omitempty"`
+}
+
+func (x *GetInstanceRequest) Reset() {
+	*x = GetInstanceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetInstanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInstanceRequest) ProtoMessage() {}
+
+func (x *GetInstanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInstanceRequest.ProtoReflect.Descriptor instead.
+func (*GetInstanceRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *GetInstanceRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *GetInstanceRequest) GetFieldMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.FieldMask
+	}
+	return nil
+}
+
+// The request for
+// [CreateInstance][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance].
+type CreateInstanceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the project in which to create the instance. Values
+	// are of the form `projects/<project>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The ID of the instance to create.  Valid identifiers are of the
+	// form `[a-z][-a-z0-9]*[a-z0-9]` and must be between 2 and 64 characters in
+	// length.
+	InstanceId string `protobuf:"bytes,2,opt,name=instance_id,json=instanceId,proto3" json:"instance_id,omitempty"`
+	// Required. The instance to create.  The name may be omitted, but if
+	// specified must be `<parent>/instances/<instance_id>`.
+	Instance *Instance `protobuf:"bytes,3,opt,name=instance,proto3" json:"instance,omitempty"`
+}
+
+func (x *CreateInstanceRequest) Reset() {
+	*x = CreateInstanceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstanceRequest) ProtoMessage() {}
+
+func (x *CreateInstanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstanceRequest.ProtoReflect.Descriptor instead.
+func (*CreateInstanceRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *CreateInstanceRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateInstanceRequest) GetInstanceId() string {
+	if x != nil {
+		return x.InstanceId
+	}
+	return ""
+}
+
+func (x *CreateInstanceRequest) GetInstance() *Instance {
+	if x != nil {
+		return x.Instance
+	}
+	return nil
+}
+
+// The request for
+// [ListInstances][google.spanner.admin.instance.v1.InstanceAdmin.ListInstances].
+type ListInstancesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the project for which a list of instances is
+	// requested. Values are of the form `projects/<project>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Number of instances to be returned in the response. If 0 or less, defaults
+	// to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.instance.v1.ListInstancesResponse.next_page_token]
+	// from a previous
+	// [ListInstancesResponse][google.spanner.admin.instance.v1.ListInstancesResponse].
+	PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+	// An expression for filtering the results of the request. Filter rules are
+	// case insensitive. The fields eligible for filtering are:
+	//
+	//   - `name`
+	//   - `display_name`
+	//   - `labels.key` where key is the name of a label
+	//
+	// Some examples of using filters are:
+	//
+	//   - `name:*` --> The instance has a name.
+	//   - `name:Howl` --> The instance's name contains the string "howl".
+	//   - `name:HOWL` --> Equivalent to above.
+	//   - `NAME:howl` --> Equivalent to above.
+	//   - `labels.env:*` --> The instance has the label "env".
+	//   - `labels.env:dev` --> The instance has the label "env" and the value of
+	//     the label contains the string "dev".
+	//   - `name:howl labels.env:dev` --> The instance's name contains "howl" and
+	//     it has the label "env" with its value
+	//     containing "dev".
+	Filter string `protobuf:"bytes,4,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Deadline used while retrieving metadata for instances.
+	// Instances whose metadata cannot be retrieved within this deadline will be
+	// added to
+	// [unreachable][google.spanner.admin.instance.v1.ListInstancesResponse.unreachable]
+	// in
+	// [ListInstancesResponse][google.spanner.admin.instance.v1.ListInstancesResponse].
+	InstanceDeadline *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=instance_deadline,json=instanceDeadline,proto3" json:"instance_deadline,omitempty"`
+}
+
+func (x *ListInstancesRequest) Reset() {
+	*x = ListInstancesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancesRequest) ProtoMessage() {}
+
+func (x *ListInstancesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancesRequest.ProtoReflect.Descriptor instead.
+func (*ListInstancesRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *ListInstancesRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListInstancesRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListInstancesRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+func (x *ListInstancesRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListInstancesRequest) GetInstanceDeadline() *timestamppb.Timestamp {
+	if x != nil {
+		return x.InstanceDeadline
+	}
+	return nil
+}
+
+// The response for
+// [ListInstances][google.spanner.admin.instance.v1.InstanceAdmin.ListInstances].
+type ListInstancesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of requested instances.
+	Instances []*Instance `protobuf:"bytes,1,rep,name=instances,proto3" json:"instances,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListInstances][google.spanner.admin.instance.v1.InstanceAdmin.ListInstances]
+	// call to fetch more of the matching instances.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+	// The list of unreachable instances.
+	// It includes the names of instances whose metadata could not be retrieved
+	// within
+	// [instance_deadline][google.spanner.admin.instance.v1.ListInstancesRequest.instance_deadline].
+	Unreachable []string `protobuf:"bytes,3,rep,name=unreachable,proto3" json:"unreachable,omitempty"`
+}
+
+func (x *ListInstancesResponse) Reset() {
+	*x = ListInstancesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancesResponse) ProtoMessage() {}
+
+func (x *ListInstancesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancesResponse.ProtoReflect.Descriptor instead.
+func (*ListInstancesResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *ListInstancesResponse) GetInstances() []*Instance {
+	if x != nil {
+		return x.Instances
+	}
+	return nil
+}
+
+func (x *ListInstancesResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+func (x *ListInstancesResponse) GetUnreachable() []string {
+	if x != nil {
+		return x.Unreachable
+	}
+	return nil
+}
+
+// The request for
+// [UpdateInstance][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance].
+type UpdateInstanceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance to update, which must always include the instance
+	// name.  Otherwise, only fields mentioned in
+	// [field_mask][google.spanner.admin.instance.v1.UpdateInstanceRequest.field_mask]
+	// need be included.
+	Instance *Instance `protobuf:"bytes,1,opt,name=instance,proto3" json:"instance,omitempty"`
+	// Required. A mask specifying which fields in
+	// [Instance][google.spanner.admin.instance.v1.Instance] should be updated.
+	// The field mask must always be specified; this prevents any future fields in
+	// [Instance][google.spanner.admin.instance.v1.Instance] from being erased
+	// accidentally by clients that do not know about them.
+	FieldMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=field_mask,json=fieldMask,proto3" json:"field_mask,omitempty"`
+}
+
+func (x *UpdateInstanceRequest) Reset() {
+	*x = UpdateInstanceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstanceRequest) ProtoMessage() {}
+
+func (x *UpdateInstanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstanceRequest.ProtoReflect.Descriptor instead.
+func (*UpdateInstanceRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *UpdateInstanceRequest) GetInstance() *Instance {
+	if x != nil {
+		return x.Instance
+	}
+	return nil
+}
+
+func (x *UpdateInstanceRequest) GetFieldMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.FieldMask
+	}
+	return nil
+}
+
+// The request for
+// [DeleteInstance][google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstance].
+type DeleteInstanceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance to be deleted. Values are of the form
+	// `projects/<project>/instances/<instance>`
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *DeleteInstanceRequest) Reset() {
+	*x = DeleteInstanceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteInstanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteInstanceRequest) ProtoMessage() {}
+
+func (x *DeleteInstanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteInstanceRequest.ProtoReflect.Descriptor instead.
+func (*DeleteInstanceRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *DeleteInstanceRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// Metadata type for the operation returned by
+// [CreateInstance][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance].
+type CreateInstanceMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The instance being created.
+	Instance *Instance `protobuf:"bytes,1,opt,name=instance,proto3" json:"instance,omitempty"`
+	// The time at which the
+	// [CreateInstance][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance]
+	// request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// The time at which this operation was cancelled. If set, this operation is
+	// in the process of undoing itself (which is guaranteed to succeed) and
+	// cannot be cancelled again.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+	// The time at which this operation failed or was completed successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+	// The expected fulfillment period of this create operation.
+	ExpectedFulfillmentPeriod FulfillmentPeriod `protobuf:"varint,5,opt,name=expected_fulfillment_period,json=expectedFulfillmentPeriod,proto3,enum=google.spanner.admin.instance.v1.FulfillmentPeriod" json:"expected_fulfillment_period,omitempty"`
+}
+
+func (x *CreateInstanceMetadata) Reset() {
+	*x = CreateInstanceMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstanceMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstanceMetadata) ProtoMessage() {}
+
+func (x *CreateInstanceMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[18]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstanceMetadata.ProtoReflect.Descriptor instead.
+func (*CreateInstanceMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{18}
+}
+
+func (x *CreateInstanceMetadata) GetInstance() *Instance {
+	if x != nil {
+		return x.Instance
+	}
+	return nil
+}
+
+func (x *CreateInstanceMetadata) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *CreateInstanceMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+func (x *CreateInstanceMetadata) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+func (x *CreateInstanceMetadata) GetExpectedFulfillmentPeriod() FulfillmentPeriod {
+	if x != nil {
+		return x.ExpectedFulfillmentPeriod
+	}
+	return FulfillmentPeriod_FULFILLMENT_PERIOD_UNSPECIFIED
+}
+
+// Metadata type for the operation returned by
+// [UpdateInstance][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance].
+type UpdateInstanceMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The desired end state of the update.
+	Instance *Instance `protobuf:"bytes,1,opt,name=instance,proto3" json:"instance,omitempty"`
+	// The time at which
+	// [UpdateInstance][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance]
+	// request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// The time at which this operation was cancelled. If set, this operation is
+	// in the process of undoing itself (which is guaranteed to succeed) and
+	// cannot be cancelled again.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+	// The time at which this operation failed or was completed successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+	// The expected fulfillment period of this update operation.
+	ExpectedFulfillmentPeriod FulfillmentPeriod `protobuf:"varint,5,opt,name=expected_fulfillment_period,json=expectedFulfillmentPeriod,proto3,enum=google.spanner.admin.instance.v1.FulfillmentPeriod" json:"expected_fulfillment_period,omitempty"`
+}
+
+func (x *UpdateInstanceMetadata) Reset() {
+	*x = UpdateInstanceMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[19]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstanceMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstanceMetadata) ProtoMessage() {}
+
+func (x *UpdateInstanceMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[19]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstanceMetadata.ProtoReflect.Descriptor instead.
+func (*UpdateInstanceMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{19}
+}
+
+func (x *UpdateInstanceMetadata) GetInstance() *Instance {
+	if x != nil {
+		return x.Instance
+	}
+	return nil
+}
+
+func (x *UpdateInstanceMetadata) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *UpdateInstanceMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+func (x *UpdateInstanceMetadata) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+func (x *UpdateInstanceMetadata) GetExpectedFulfillmentPeriod() FulfillmentPeriod {
+	if x != nil {
+		return x.ExpectedFulfillmentPeriod
+	}
+	return FulfillmentPeriod_FULFILLMENT_PERIOD_UNSPECIFIED
+}
+
+// Metadata type for the operation returned by
+// [CreateInstanceConfig][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstanceConfig].
+type CreateInstanceConfigMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The target instance configuration end state.
+	InstanceConfig *InstanceConfig `protobuf:"bytes,1,opt,name=instance_config,json=instanceConfig,proto3" json:"instance_config,omitempty"`
+	// The progress of the
+	// [CreateInstanceConfig][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstanceConfig]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,2,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which this operation was cancelled.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *CreateInstanceConfigMetadata) Reset() {
+	*x = CreateInstanceConfigMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[20]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstanceConfigMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstanceConfigMetadata) ProtoMessage() {}
+
+func (x *CreateInstanceConfigMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[20]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstanceConfigMetadata.ProtoReflect.Descriptor instead.
+func (*CreateInstanceConfigMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{20}
+}
+
+func (x *CreateInstanceConfigMetadata) GetInstanceConfig() *InstanceConfig {
+	if x != nil {
+		return x.InstanceConfig
+	}
+	return nil
+}
+
+func (x *CreateInstanceConfigMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *CreateInstanceConfigMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [UpdateInstanceConfig][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstanceConfig].
+type UpdateInstanceConfigMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The desired instance configuration after updating.
+	InstanceConfig *InstanceConfig `protobuf:"bytes,1,opt,name=instance_config,json=instanceConfig,proto3" json:"instance_config,omitempty"`
+	// The progress of the
+	// [UpdateInstanceConfig][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstanceConfig]
+	// operation.
+	Progress *OperationProgress `protobuf:"bytes,2,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which this operation was cancelled.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *UpdateInstanceConfigMetadata) Reset() {
+	*x = UpdateInstanceConfigMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstanceConfigMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstanceConfigMetadata) ProtoMessage() {}
+
+func (x *UpdateInstanceConfigMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[21]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstanceConfigMetadata.ProtoReflect.Descriptor instead.
+func (*UpdateInstanceConfigMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{21}
+}
+
+func (x *UpdateInstanceConfigMetadata) GetInstanceConfig() *InstanceConfig {
+	if x != nil {
+		return x.InstanceConfig
+	}
+	return nil
+}
+
+func (x *UpdateInstanceConfigMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *UpdateInstanceConfigMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// An isolated set of Cloud Spanner resources that databases can define
+// placements on.
+type InstancePartition struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. A unique identifier for the instance partition. Values are of the
+	// form
+	// `projects/<project>/instances/<instance>/instancePartitions/[a-z][-a-z0-9]*[a-z0-9]`.
+	// The final segment of the name must be between 2 and 64 characters in
+	// length. An instance partition's name cannot be changed after the instance
+	// partition is created.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Required. The name of the instance partition's configuration. Values are of
+	// the form `projects/<project>/instanceConfigs/<configuration>`. See also
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig] and
+	// [ListInstanceConfigs][google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs].
+	Config string `protobuf:"bytes,2,opt,name=config,proto3" json:"config,omitempty"`
+	// Required. The descriptive name for this instance partition as it appears in
+	// UIs. Must be unique per project and between 4 and 30 characters in length.
+	DisplayName string `protobuf:"bytes,3,opt,name=display_name,json=displayName,proto3" json:"display_name,omitempty"`
+	// Compute capacity defines amount of server and storage resources that are
+	// available to the databases in an instance partition. At most one of either
+	// node_count or processing_units should be present in the message. See [the
+	// documentation](https://cloud.google.com/spanner/docs/compute-capacity)
+	// for more information about nodes and processing units.
+	//
+	// Types that are assignable to ComputeCapacity:
+	//
+	//	*InstancePartition_NodeCount
+	//	*InstancePartition_ProcessingUnits
+	ComputeCapacity isInstancePartition_ComputeCapacity `protobuf_oneof:"compute_capacity"`
+	// Output only. The current instance partition state.
+	State InstancePartition_State `protobuf:"varint,7,opt,name=state,proto3,enum=google.spanner.admin.instance.v1.InstancePartition_State" json:"state,omitempty"`
+	// Output only. The time at which the instance partition was created.
+	CreateTime *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=create_time,json=createTime,proto3" json:"create_time,omitempty"`
+	// Output only. The time at which the instance partition was most recently
+	// updated.
+	UpdateTime *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=update_time,json=updateTime,proto3" json:"update_time,omitempty"`
+	// Output only. The names of the databases that reference this
+	// instance partition. Referencing databases should share the parent instance.
+	// The existence of any referencing database prevents the instance partition
+	// from being deleted.
+	ReferencingDatabases []string `protobuf:"bytes,10,rep,name=referencing_databases,json=referencingDatabases,proto3" json:"referencing_databases,omitempty"`
+	// Output only. The names of the backups that reference this instance
+	// partition. Referencing backups should share the parent instance. The
+	// existence of any referencing backup prevents the instance partition from
+	// being deleted.
+	ReferencingBackups []string `protobuf:"bytes,11,rep,name=referencing_backups,json=referencingBackups,proto3" json:"referencing_backups,omitempty"`
+	// Used for optimistic concurrency control as a way
+	// to help prevent simultaneous updates of a instance partition from
+	// overwriting each other. It is strongly suggested that systems make use of
+	// the etag in the read-modify-write cycle to perform instance partition
+	// updates in order to avoid race conditions: An etag is returned in the
+	// response which contains instance partitions, and systems are expected to
+	// put that etag in the request to update instance partitions to ensure that
+	// their change will be applied to the same version of the instance partition.
+	// If no etag is provided in the call to update instance partition, then the
+	// existing instance partition is overwritten blindly.
+	Etag string `protobuf:"bytes,12,opt,name=etag,proto3" json:"etag,omitempty"`
+}
+
+func (x *InstancePartition) Reset() {
+	*x = InstancePartition{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[22]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *InstancePartition) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InstancePartition) ProtoMessage() {}
+
+func (x *InstancePartition) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[22]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InstancePartition.ProtoReflect.Descriptor instead.
+func (*InstancePartition) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *InstancePartition) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *InstancePartition) GetConfig() string {
+	if x != nil {
+		return x.Config
+	}
+	return ""
+}
+
+func (x *InstancePartition) GetDisplayName() string {
+	if x != nil {
+		return x.DisplayName
+	}
+	return ""
+}
+
+func (m *InstancePartition) GetComputeCapacity() isInstancePartition_ComputeCapacity {
+	if m != nil {
+		return m.ComputeCapacity
+	}
+	return nil
+}
+
+func (x *InstancePartition) GetNodeCount() int32 {
+	if x, ok := x.GetComputeCapacity().(*InstancePartition_NodeCount); ok {
+		return x.NodeCount
+	}
+	return 0
+}
+
+func (x *InstancePartition) GetProcessingUnits() int32 {
+	if x, ok := x.GetComputeCapacity().(*InstancePartition_ProcessingUnits); ok {
+		return x.ProcessingUnits
+	}
+	return 0
+}
+
+func (x *InstancePartition) GetState() InstancePartition_State {
+	if x != nil {
+		return x.State
+	}
+	return InstancePartition_STATE_UNSPECIFIED
+}
+
+func (x *InstancePartition) GetCreateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreateTime
+	}
+	return nil
+}
+
+func (x *InstancePartition) GetUpdateTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdateTime
+	}
+	return nil
+}
+
+func (x *InstancePartition) GetReferencingDatabases() []string {
+	if x != nil {
+		return x.ReferencingDatabases
+	}
+	return nil
+}
+
+func (x *InstancePartition) GetReferencingBackups() []string {
+	if x != nil {
+		return x.ReferencingBackups
+	}
+	return nil
+}
+
+func (x *InstancePartition) GetEtag() string {
+	if x != nil {
+		return x.Etag
+	}
+	return ""
+}
+
+type isInstancePartition_ComputeCapacity interface {
+	isInstancePartition_ComputeCapacity()
+}
+
+type InstancePartition_NodeCount struct {
+	// The number of nodes allocated to this instance partition.
+	//
+	// Users can set the node_count field to specify the target number of nodes
+	// allocated to the instance partition.
+	//
+	// This may be zero in API responses for instance partitions that are not
+	// yet in state `READY`.
+	NodeCount int32 `protobuf:"varint,5,opt,name=node_count,json=nodeCount,proto3,oneof"`
+}
+
+type InstancePartition_ProcessingUnits struct {
+	// The number of processing units allocated to this instance partition.
+	//
+	// Users can set the processing_units field to specify the target number of
+	// processing units allocated to the instance partition.
+	//
+	// This may be zero in API responses for instance partitions that are not
+	// yet in state `READY`.
+	ProcessingUnits int32 `protobuf:"varint,6,opt,name=processing_units,json=processingUnits,proto3,oneof"`
+}
+
+func (*InstancePartition_NodeCount) isInstancePartition_ComputeCapacity() {}
+
+func (*InstancePartition_ProcessingUnits) isInstancePartition_ComputeCapacity() {}
+
+// Metadata type for the operation returned by
+// [CreateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstancePartition].
+type CreateInstancePartitionMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The instance partition being created.
+	InstancePartition *InstancePartition `protobuf:"bytes,1,opt,name=instance_partition,json=instancePartition,proto3" json:"instance_partition,omitempty"`
+	// The time at which the
+	// [CreateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstancePartition]
+	// request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// The time at which this operation was cancelled. If set, this operation is
+	// in the process of undoing itself (which is guaranteed to succeed) and
+	// cannot be cancelled again.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+	// The time at which this operation failed or was completed successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+}
+
+func (x *CreateInstancePartitionMetadata) Reset() {
+	*x = CreateInstancePartitionMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[23]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstancePartitionMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstancePartitionMetadata) ProtoMessage() {}
+
+func (x *CreateInstancePartitionMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[23]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstancePartitionMetadata.ProtoReflect.Descriptor instead.
+func (*CreateInstancePartitionMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{23}
+}
+
+func (x *CreateInstancePartitionMetadata) GetInstancePartition() *InstancePartition {
+	if x != nil {
+		return x.InstancePartition
+	}
+	return nil
+}
+
+func (x *CreateInstancePartitionMetadata) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *CreateInstancePartitionMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+func (x *CreateInstancePartitionMetadata) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+// The request for
+// [CreateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.CreateInstancePartition].
+type CreateInstancePartitionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance in which to create the instance
+	// partition. Values are of the form
+	// `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Required. The ID of the instance partition to create. Valid identifiers are
+	// of the form `[a-z][-a-z0-9]*[a-z0-9]` and must be between 2 and 64
+	// characters in length.
+	InstancePartitionId string `protobuf:"bytes,2,opt,name=instance_partition_id,json=instancePartitionId,proto3" json:"instance_partition_id,omitempty"`
+	// Required. The instance partition to create. The instance_partition.name may
+	// be omitted, but if specified must be
+	// `<parent>/instancePartitions/<instance_partition_id>`.
+	InstancePartition *InstancePartition `protobuf:"bytes,3,opt,name=instance_partition,json=instancePartition,proto3" json:"instance_partition,omitempty"`
+}
+
+func (x *CreateInstancePartitionRequest) Reset() {
+	*x = CreateInstancePartitionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[24]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateInstancePartitionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateInstancePartitionRequest) ProtoMessage() {}
+
+func (x *CreateInstancePartitionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[24]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateInstancePartitionRequest.ProtoReflect.Descriptor instead.
+func (*CreateInstancePartitionRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{24}
+}
+
+func (x *CreateInstancePartitionRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *CreateInstancePartitionRequest) GetInstancePartitionId() string {
+	if x != nil {
+		return x.InstancePartitionId
+	}
+	return ""
+}
+
+func (x *CreateInstancePartitionRequest) GetInstancePartition() *InstancePartition {
+	if x != nil {
+		return x.InstancePartition
+	}
+	return nil
+}
+
+// The request for
+// [DeleteInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstancePartition].
+type DeleteInstancePartitionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the instance partition to be deleted.
+	// Values are of the form
+	// `projects/{project}/instances/{instance}/instancePartitions/{instance_partition}`
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Optional. If not empty, the API only deletes the instance partition when
+	// the etag provided matches the current status of the requested instance
+	// partition. Otherwise, deletes the instance partition without checking the
+	// current status of the requested instance partition.
+	Etag string `protobuf:"bytes,2,opt,name=etag,proto3" json:"etag,omitempty"`
+}
+
+func (x *DeleteInstancePartitionRequest) Reset() {
+	*x = DeleteInstancePartitionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[25]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteInstancePartitionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteInstancePartitionRequest) ProtoMessage() {}
+
+func (x *DeleteInstancePartitionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[25]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteInstancePartitionRequest.ProtoReflect.Descriptor instead.
+func (*DeleteInstancePartitionRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{25}
+}
+
+func (x *DeleteInstancePartitionRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *DeleteInstancePartitionRequest) GetEtag() string {
+	if x != nil {
+		return x.Etag
+	}
+	return ""
+}
+
+// The request for
+// [GetInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.GetInstancePartition].
+type GetInstancePartitionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The name of the requested instance partition. Values are of
+	// the form
+	// `projects/{project}/instances/{instance}/instancePartitions/{instance_partition}`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *GetInstancePartitionRequest) Reset() {
+	*x = GetInstancePartitionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[26]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetInstancePartitionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetInstancePartitionRequest) ProtoMessage() {}
+
+func (x *GetInstancePartitionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[26]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetInstancePartitionRequest.ProtoReflect.Descriptor instead.
+func (*GetInstancePartitionRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{26}
+}
+
+func (x *GetInstancePartitionRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The request for
+// [UpdateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstancePartition].
+type UpdateInstancePartitionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance partition to update, which must always include the
+	// instance partition name. Otherwise, only fields mentioned in
+	// [field_mask][google.spanner.admin.instance.v1.UpdateInstancePartitionRequest.field_mask]
+	// need be included.
+	InstancePartition *InstancePartition `protobuf:"bytes,1,opt,name=instance_partition,json=instancePartition,proto3" json:"instance_partition,omitempty"`
+	// Required. A mask specifying which fields in
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition]
+	// should be updated. The field mask must always be specified; this prevents
+	// any future fields in
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition]
+	// from being erased accidentally by clients that do not know about them.
+	FieldMask *fieldmaskpb.FieldMask `protobuf:"bytes,2,opt,name=field_mask,json=fieldMask,proto3" json:"field_mask,omitempty"`
+}
+
+func (x *UpdateInstancePartitionRequest) Reset() {
+	*x = UpdateInstancePartitionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[27]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstancePartitionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstancePartitionRequest) ProtoMessage() {}
+
+func (x *UpdateInstancePartitionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[27]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstancePartitionRequest.ProtoReflect.Descriptor instead.
+func (*UpdateInstancePartitionRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{27}
+}
+
+func (x *UpdateInstancePartitionRequest) GetInstancePartition() *InstancePartition {
+	if x != nil {
+		return x.InstancePartition
+	}
+	return nil
+}
+
+func (x *UpdateInstancePartitionRequest) GetFieldMask() *fieldmaskpb.FieldMask {
+	if x != nil {
+		return x.FieldMask
+	}
+	return nil
+}
+
+// Metadata type for the operation returned by
+// [UpdateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstancePartition].
+type UpdateInstancePartitionMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The desired end state of the update.
+	InstancePartition *InstancePartition `protobuf:"bytes,1,opt,name=instance_partition,json=instancePartition,proto3" json:"instance_partition,omitempty"`
+	// The time at which
+	// [UpdateInstancePartition][google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstancePartition]
+	// request was received.
+	StartTime *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=start_time,json=startTime,proto3" json:"start_time,omitempty"`
+	// The time at which this operation was cancelled. If set, this operation is
+	// in the process of undoing itself (which is guaranteed to succeed) and
+	// cannot be cancelled again.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+	// The time at which this operation failed or was completed successfully.
+	EndTime *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=end_time,json=endTime,proto3" json:"end_time,omitempty"`
+}
+
+func (x *UpdateInstancePartitionMetadata) Reset() {
+	*x = UpdateInstancePartitionMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[28]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *UpdateInstancePartitionMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*UpdateInstancePartitionMetadata) ProtoMessage() {}
+
+func (x *UpdateInstancePartitionMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[28]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use UpdateInstancePartitionMetadata.ProtoReflect.Descriptor instead.
+func (*UpdateInstancePartitionMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{28}
+}
+
+func (x *UpdateInstancePartitionMetadata) GetInstancePartition() *InstancePartition {
+	if x != nil {
+		return x.InstancePartition
+	}
+	return nil
+}
+
+func (x *UpdateInstancePartitionMetadata) GetStartTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.StartTime
+	}
+	return nil
+}
+
+func (x *UpdateInstancePartitionMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+func (x *UpdateInstancePartitionMetadata) GetEndTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.EndTime
+	}
+	return nil
+}
+
+// The request for
+// [ListInstancePartitions][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitions].
+type ListInstancePartitionsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance whose instance partitions should be listed. Values
+	// are of the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Number of instance partitions to be returned in the response. If 0 or less,
+	// defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,2,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.instance.v1.ListInstancePartitionsResponse.next_page_token]
+	// from a previous
+	// [ListInstancePartitionsResponse][google.spanner.admin.instance.v1.ListInstancePartitionsResponse].
+	PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+	// Optional. Deadline used while retrieving metadata for instance partitions.
+	// Instance partitions whose metadata cannot be retrieved within this deadline
+	// will be added to
+	// [unreachable][google.spanner.admin.instance.v1.ListInstancePartitionsResponse.unreachable]
+	// in
+	// [ListInstancePartitionsResponse][google.spanner.admin.instance.v1.ListInstancePartitionsResponse].
+	InstancePartitionDeadline *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=instance_partition_deadline,json=instancePartitionDeadline,proto3" json:"instance_partition_deadline,omitempty"`
+}
+
+func (x *ListInstancePartitionsRequest) Reset() {
+	*x = ListInstancePartitionsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[29]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancePartitionsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancePartitionsRequest) ProtoMessage() {}
+
+func (x *ListInstancePartitionsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[29]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancePartitionsRequest.ProtoReflect.Descriptor instead.
+func (*ListInstancePartitionsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{29}
+}
+
+func (x *ListInstancePartitionsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListInstancePartitionsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionsRequest) GetInstancePartitionDeadline() *timestamppb.Timestamp {
+	if x != nil {
+		return x.InstancePartitionDeadline
+	}
+	return nil
+}
+
+// The response for
+// [ListInstancePartitions][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitions].
+type ListInstancePartitionsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of requested instancePartitions.
+	InstancePartitions []*InstancePartition `protobuf:"bytes,1,rep,name=instance_partitions,json=instancePartitions,proto3" json:"instance_partitions,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListInstancePartitions][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitions]
+	// call to fetch more of the matching instance partitions.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+	// The list of unreachable instance partitions.
+	// It includes the names of instance partitions whose metadata could
+	// not be retrieved within
+	// [instance_partition_deadline][google.spanner.admin.instance.v1.ListInstancePartitionsRequest.instance_partition_deadline].
+	Unreachable []string `protobuf:"bytes,3,rep,name=unreachable,proto3" json:"unreachable,omitempty"`
+}
+
+func (x *ListInstancePartitionsResponse) Reset() {
+	*x = ListInstancePartitionsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[30]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancePartitionsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancePartitionsResponse) ProtoMessage() {}
+
+func (x *ListInstancePartitionsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[30]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancePartitionsResponse.ProtoReflect.Descriptor instead.
+func (*ListInstancePartitionsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{30}
+}
+
+func (x *ListInstancePartitionsResponse) GetInstancePartitions() []*InstancePartition {
+	if x != nil {
+		return x.InstancePartitions
+	}
+	return nil
+}
+
+func (x *ListInstancePartitionsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionsResponse) GetUnreachable() []string {
+	if x != nil {
+		return x.Unreachable
+	}
+	return nil
+}
+
+// The request for
+// [ListInstancePartitionOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitionOperations].
+type ListInstancePartitionOperationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The parent instance of the instance partition operations.
+	// Values are of the form `projects/<project>/instances/<instance>`.
+	Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
+	// Optional. An expression that filters the list of returned operations.
+	//
+	// A filter expression consists of a field name, a
+	// comparison operator, and a value for filtering.
+	// The value must be a string, a number, or a boolean. The comparison operator
+	// must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
+	// Colon `:` is the contains operator. Filter rules are not case sensitive.
+	//
+	// The following fields in the [Operation][google.longrunning.Operation]
+	// are eligible for filtering:
+	//
+	//   - `name` - The name of the long-running operation
+	//   - `done` - False if the operation is in progress, else true.
+	//   - `metadata.@type` - the type of metadata. For example, the type string
+	//     for
+	//     [CreateInstancePartitionMetadata][google.spanner.admin.instance.v1.CreateInstancePartitionMetadata]
+	//     is
+	//     `type.googleapis.com/google.spanner.admin.instance.v1.CreateInstancePartitionMetadata`.
+	//   - `metadata.<field_name>` - any field in metadata.value.
+	//     `metadata.@type` must be specified first, if filtering on metadata
+	//     fields.
+	//   - `error` - Error associated with the long-running operation.
+	//   - `response.@type` - the type of response.
+	//   - `response.<field_name>` - any field in response.value.
+	//
+	// You can combine multiple expressions by enclosing each expression in
+	// parentheses. By default, expressions are combined with AND logic. However,
+	// you can specify AND, OR, and NOT logic explicitly.
+	//
+	// Here are a few examples:
+	//
+	//   - `done:true` - The operation is complete.
+	//   - `(metadata.@type=` \
+	//     `type.googleapis.com/google.spanner.admin.instance.v1.CreateInstancePartitionMetadata)
+	//     AND` \
+	//     `(metadata.instance_partition.name:custom-instance-partition) AND` \
+	//     `(metadata.start_time < \"2021-03-28T14:50:00Z\") AND` \
+	//     `(error:*)` - Return operations where:
+	//   - The operation's metadata type is
+	//     [CreateInstancePartitionMetadata][google.spanner.admin.instance.v1.CreateInstancePartitionMetadata].
+	//   - The instance partition name contains "custom-instance-partition".
+	//   - The operation started before 2021-03-28T14:50:00Z.
+	//   - The operation resulted in an error.
+	Filter string `protobuf:"bytes,2,opt,name=filter,proto3" json:"filter,omitempty"`
+	// Optional. Number of operations to be returned in the response. If 0 or
+	// less, defaults to the server's maximum allowed page size.
+	PageSize int32 `protobuf:"varint,3,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
+	// Optional. If non-empty, `page_token` should contain a
+	// [next_page_token][google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse.next_page_token]
+	// from a previous
+	// [ListInstancePartitionOperationsResponse][google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse]
+	// to the same `parent` and with the same `filter`.
+	PageToken string `protobuf:"bytes,4,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
+	// Optional. Deadline used while retrieving metadata for instance partition
+	// operations. Instance partitions whose operation metadata cannot be
+	// retrieved within this deadline will be added to
+	// [unreachable][ListInstancePartitionOperationsResponse.unreachable] in
+	// [ListInstancePartitionOperationsResponse][google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse].
+	InstancePartitionDeadline *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=instance_partition_deadline,json=instancePartitionDeadline,proto3" json:"instance_partition_deadline,omitempty"`
+}
+
+func (x *ListInstancePartitionOperationsRequest) Reset() {
+	*x = ListInstancePartitionOperationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[31]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancePartitionOperationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancePartitionOperationsRequest) ProtoMessage() {}
+
+func (x *ListInstancePartitionOperationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[31]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancePartitionOperationsRequest.ProtoReflect.Descriptor instead.
+func (*ListInstancePartitionOperationsRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{31}
+}
+
+func (x *ListInstancePartitionOperationsRequest) GetParent() string {
+	if x != nil {
+		return x.Parent
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionOperationsRequest) GetFilter() string {
+	if x != nil {
+		return x.Filter
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionOperationsRequest) GetPageSize() int32 {
+	if x != nil {
+		return x.PageSize
+	}
+	return 0
+}
+
+func (x *ListInstancePartitionOperationsRequest) GetPageToken() string {
+	if x != nil {
+		return x.PageToken
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionOperationsRequest) GetInstancePartitionDeadline() *timestamppb.Timestamp {
+	if x != nil {
+		return x.InstancePartitionDeadline
+	}
+	return nil
+}
+
+// The response for
+// [ListInstancePartitionOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitionOperations].
+type ListInstancePartitionOperationsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The list of matching instance partition [long-running
+	// operations][google.longrunning.Operation]. Each operation's name will be
+	// prefixed by the instance partition's name. The operation's
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata.
+	Operations []*longrunningpb.Operation `protobuf:"bytes,1,rep,name=operations,proto3" json:"operations,omitempty"`
+	// `next_page_token` can be sent in a subsequent
+	// [ListInstancePartitionOperations][google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitionOperations]
+	// call to fetch more of the matching metadata.
+	NextPageToken string `protobuf:"bytes,2,opt,name=next_page_token,json=nextPageToken,proto3" json:"next_page_token,omitempty"`
+	// The list of unreachable instance partitions.
+	// It includes the names of instance partitions whose operation metadata could
+	// not be retrieved within
+	// [instance_partition_deadline][google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest.instance_partition_deadline].
+	UnreachableInstancePartitions []string `protobuf:"bytes,3,rep,name=unreachable_instance_partitions,json=unreachableInstancePartitions,proto3" json:"unreachable_instance_partitions,omitempty"`
+}
+
+func (x *ListInstancePartitionOperationsResponse) Reset() {
+	*x = ListInstancePartitionOperationsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[32]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListInstancePartitionOperationsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListInstancePartitionOperationsResponse) ProtoMessage() {}
+
+func (x *ListInstancePartitionOperationsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[32]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListInstancePartitionOperationsResponse.ProtoReflect.Descriptor instead.
+func (*ListInstancePartitionOperationsResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{32}
+}
+
+func (x *ListInstancePartitionOperationsResponse) GetOperations() []*longrunningpb.Operation {
+	if x != nil {
+		return x.Operations
+	}
+	return nil
+}
+
+func (x *ListInstancePartitionOperationsResponse) GetNextPageToken() string {
+	if x != nil {
+		return x.NextPageToken
+	}
+	return ""
+}
+
+func (x *ListInstancePartitionOperationsResponse) GetUnreachableInstancePartitions() []string {
+	if x != nil {
+		return x.UnreachableInstancePartitions
+	}
+	return nil
+}
+
+// The request for
+// [MoveInstance][google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance].
+type MoveInstanceRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The instance to move.
+	// Values are of the form `projects/<project>/instances/<instance>`.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Required. The target instance configuration where to move the instance.
+	// Values are of the form `projects/<project>/instanceConfigs/<config>`.
+	TargetConfig string `protobuf:"bytes,2,opt,name=target_config,json=targetConfig,proto3" json:"target_config,omitempty"`
+}
+
+func (x *MoveInstanceRequest) Reset() {
+	*x = MoveInstanceRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[33]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MoveInstanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MoveInstanceRequest) ProtoMessage() {}
+
+func (x *MoveInstanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[33]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MoveInstanceRequest.ProtoReflect.Descriptor instead.
+func (*MoveInstanceRequest) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{33}
+}
+
+func (x *MoveInstanceRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *MoveInstanceRequest) GetTargetConfig() string {
+	if x != nil {
+		return x.TargetConfig
+	}
+	return ""
+}
+
+// The response for
+// [MoveInstance][google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance].
+type MoveInstanceResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *MoveInstanceResponse) Reset() {
+	*x = MoveInstanceResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[34]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MoveInstanceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MoveInstanceResponse) ProtoMessage() {}
+
+func (x *MoveInstanceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[34]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MoveInstanceResponse.ProtoReflect.Descriptor instead.
+func (*MoveInstanceResponse) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{34}
+}
+
+// Metadata type for the operation returned by
+// [MoveInstance][google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance].
+type MoveInstanceMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The target instance configuration where to move the instance.
+	// Values are of the form `projects/<project>/instanceConfigs/<config>`.
+	TargetConfig string `protobuf:"bytes,1,opt,name=target_config,json=targetConfig,proto3" json:"target_config,omitempty"`
+	// The progress of the
+	// [MoveInstance][google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance]
+	// operation.
+	// [progress_percent][google.spanner.admin.instance.v1.OperationProgress.progress_percent]
+	// is reset when cancellation is requested.
+	Progress *OperationProgress `protobuf:"bytes,2,opt,name=progress,proto3" json:"progress,omitempty"`
+	// The time at which this operation was cancelled.
+	CancelTime *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=cancel_time,json=cancelTime,proto3" json:"cancel_time,omitempty"`
+}
+
+func (x *MoveInstanceMetadata) Reset() {
+	*x = MoveInstanceMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[35]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MoveInstanceMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MoveInstanceMetadata) ProtoMessage() {}
+
+func (x *MoveInstanceMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[35]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use MoveInstanceMetadata.ProtoReflect.Descriptor instead.
+func (*MoveInstanceMetadata) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{35}
+}
+
+func (x *MoveInstanceMetadata) GetTargetConfig() string {
+	if x != nil {
+		return x.TargetConfig
+	}
+	return ""
+}
+
+func (x *MoveInstanceMetadata) GetProgress() *OperationProgress {
+	if x != nil {
+		return x.Progress
+	}
+	return nil
+}
+
+func (x *MoveInstanceMetadata) GetCancelTime() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CancelTime
+	}
+	return nil
+}
+
+// The autoscaling limits for the instance. Users can define the minimum and
+// maximum compute capacity allocated to the instance, and the autoscaler will
+// only scale within that range. Users can either use nodes or processing
+// units to specify the limits, but should use the same unit to set both the
+// min_limit and max_limit.
+type AutoscalingConfig_AutoscalingLimits struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The minimum compute capacity for the instance.
+	//
+	// Types that are assignable to MinLimit:
+	//
+	//	*AutoscalingConfig_AutoscalingLimits_MinNodes
+	//	*AutoscalingConfig_AutoscalingLimits_MinProcessingUnits
+	MinLimit isAutoscalingConfig_AutoscalingLimits_MinLimit `protobuf_oneof:"min_limit"`
+	// The maximum compute capacity for the instance. The maximum compute
+	// capacity should be less than or equal to 10X the minimum compute
+	// capacity.
+	//
+	// Types that are assignable to MaxLimit:
+	//
+	//	*AutoscalingConfig_AutoscalingLimits_MaxNodes
+	//	*AutoscalingConfig_AutoscalingLimits_MaxProcessingUnits
+	MaxLimit isAutoscalingConfig_AutoscalingLimits_MaxLimit `protobuf_oneof:"max_limit"`
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) Reset() {
+	*x = AutoscalingConfig_AutoscalingLimits{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[37]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AutoscalingConfig_AutoscalingLimits) ProtoMessage() {}
+
+func (x *AutoscalingConfig_AutoscalingLimits) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[37]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AutoscalingConfig_AutoscalingLimits.ProtoReflect.Descriptor instead.
+func (*AutoscalingConfig_AutoscalingLimits) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{2, 0}
+}
+
+func (m *AutoscalingConfig_AutoscalingLimits) GetMinLimit() isAutoscalingConfig_AutoscalingLimits_MinLimit {
+	if m != nil {
+		return m.MinLimit
+	}
+	return nil
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) GetMinNodes() int32 {
+	if x, ok := x.GetMinLimit().(*AutoscalingConfig_AutoscalingLimits_MinNodes); ok {
+		return x.MinNodes
+	}
+	return 0
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) GetMinProcessingUnits() int32 {
+	if x, ok := x.GetMinLimit().(*AutoscalingConfig_AutoscalingLimits_MinProcessingUnits); ok {
+		return x.MinProcessingUnits
+	}
+	return 0
+}
+
+func (m *AutoscalingConfig_AutoscalingLimits) GetMaxLimit() isAutoscalingConfig_AutoscalingLimits_MaxLimit {
+	if m != nil {
+		return m.MaxLimit
+	}
+	return nil
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) GetMaxNodes() int32 {
+	if x, ok := x.GetMaxLimit().(*AutoscalingConfig_AutoscalingLimits_MaxNodes); ok {
+		return x.MaxNodes
+	}
+	return 0
+}
+
+func (x *AutoscalingConfig_AutoscalingLimits) GetMaxProcessingUnits() int32 {
+	if x, ok := x.GetMaxLimit().(*AutoscalingConfig_AutoscalingLimits_MaxProcessingUnits); ok {
+		return x.MaxProcessingUnits
+	}
+	return 0
+}
+
+type isAutoscalingConfig_AutoscalingLimits_MinLimit interface {
+	isAutoscalingConfig_AutoscalingLimits_MinLimit()
+}
+
+type AutoscalingConfig_AutoscalingLimits_MinNodes struct {
+	// Minimum number of nodes allocated to the instance. If set, this number
+	// should be greater than or equal to 1.
+	MinNodes int32 `protobuf:"varint,1,opt,name=min_nodes,json=minNodes,proto3,oneof"`
+}
+
+type AutoscalingConfig_AutoscalingLimits_MinProcessingUnits struct {
+	// Minimum number of processing units allocated to the instance. If set,
+	// this number should be multiples of 1000.
+	MinProcessingUnits int32 `protobuf:"varint,2,opt,name=min_processing_units,json=minProcessingUnits,proto3,oneof"`
+}
+
+func (*AutoscalingConfig_AutoscalingLimits_MinNodes) isAutoscalingConfig_AutoscalingLimits_MinLimit() {
+}
+
+func (*AutoscalingConfig_AutoscalingLimits_MinProcessingUnits) isAutoscalingConfig_AutoscalingLimits_MinLimit() {
+}
+
+type isAutoscalingConfig_AutoscalingLimits_MaxLimit interface {
+	isAutoscalingConfig_AutoscalingLimits_MaxLimit()
+}
+
+type AutoscalingConfig_AutoscalingLimits_MaxNodes struct {
+	// Maximum number of nodes allocated to the instance. If set, this number
+	// should be greater than or equal to min_nodes.
+	MaxNodes int32 `protobuf:"varint,3,opt,name=max_nodes,json=maxNodes,proto3,oneof"`
+}
+
+type AutoscalingConfig_AutoscalingLimits_MaxProcessingUnits struct {
+	// Maximum number of processing units allocated to the instance. If set,
+	// this number should be multiples of 1000 and be greater than or equal to
+	// min_processing_units.
+	MaxProcessingUnits int32 `protobuf:"varint,4,opt,name=max_processing_units,json=maxProcessingUnits,proto3,oneof"`
+}
+
+func (*AutoscalingConfig_AutoscalingLimits_MaxNodes) isAutoscalingConfig_AutoscalingLimits_MaxLimit() {
+}
+
+func (*AutoscalingConfig_AutoscalingLimits_MaxProcessingUnits) isAutoscalingConfig_AutoscalingLimits_MaxLimit() {
+}
+
+// The autoscaling targets for an instance.
+type AutoscalingConfig_AutoscalingTargets struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Required. The target high priority cpu utilization percentage that the
+	// autoscaler should be trying to achieve for the instance. This number is
+	// on a scale from 0 (no utilization) to 100 (full utilization). The valid
+	// range is [10, 90] inclusive.
+	HighPriorityCpuUtilizationPercent int32 `protobuf:"varint,1,opt,name=high_priority_cpu_utilization_percent,json=highPriorityCpuUtilizationPercent,proto3" json:"high_priority_cpu_utilization_percent,omitempty"`
+	// Required. The target storage utilization percentage that the autoscaler
+	// should be trying to achieve for the instance. This number is on a scale
+	// from 0 (no utilization) to 100 (full utilization). The valid range is
+	// [10, 100] inclusive.
+	StorageUtilizationPercent int32 `protobuf:"varint,2,opt,name=storage_utilization_percent,json=storageUtilizationPercent,proto3" json:"storage_utilization_percent,omitempty"`
+}
+
+func (x *AutoscalingConfig_AutoscalingTargets) Reset() {
+	*x = AutoscalingConfig_AutoscalingTargets{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[38]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AutoscalingConfig_AutoscalingTargets) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AutoscalingConfig_AutoscalingTargets) ProtoMessage() {}
+
+func (x *AutoscalingConfig_AutoscalingTargets) ProtoReflect() protoreflect.Message {
+	mi := &file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[38]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AutoscalingConfig_AutoscalingTargets.ProtoReflect.Descriptor instead.
+func (*AutoscalingConfig_AutoscalingTargets) Descriptor() ([]byte, []int) {
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP(), []int{2, 1}
+}
+
+func (x *AutoscalingConfig_AutoscalingTargets) GetHighPriorityCpuUtilizationPercent() int32 {
+	if x != nil {
+		return x.HighPriorityCpuUtilizationPercent
+	}
+	return 0
+}
+
+func (x *AutoscalingConfig_AutoscalingTargets) GetStorageUtilizationPercent() int32 {
+	if x != nil {
+		return x.StorageUtilizationPercent
+	}
+	return 0
+}
+
+var File_google_spanner_admin_instance_v1_spanner_instance_admin_proto protoreflect.FileDescriptor
+
+var file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDesc = []byte{
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+}
+
+var (
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescOnce sync.Once
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescData = file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDesc
+)
+
+func file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescGZIP() []byte {
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescOnce.Do(func() {
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescData)
+	})
+	return file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDescData
+}
+
+var file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes = make([]protoimpl.EnumInfo, 6)
+var file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes = make([]protoimpl.MessageInfo, 40)
+var file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_goTypes = []any{
+	(ReplicaInfo_ReplicaType)(0),                    // 0: google.spanner.admin.instance.v1.ReplicaInfo.ReplicaType
+	(InstanceConfig_Type)(0),                        // 1: google.spanner.admin.instance.v1.InstanceConfig.Type
+	(InstanceConfig_State)(0),                       // 2: google.spanner.admin.instance.v1.InstanceConfig.State
+	(Instance_State)(0),                             // 3: google.spanner.admin.instance.v1.Instance.State
+	(Instance_Edition)(0),                           // 4: google.spanner.admin.instance.v1.Instance.Edition
+	(InstancePartition_State)(0),                    // 5: google.spanner.admin.instance.v1.InstancePartition.State
+	(*ReplicaInfo)(nil),                             // 6: google.spanner.admin.instance.v1.ReplicaInfo
+	(*InstanceConfig)(nil),                          // 7: google.spanner.admin.instance.v1.InstanceConfig
+	(*AutoscalingConfig)(nil),                       // 8: google.spanner.admin.instance.v1.AutoscalingConfig
+	(*Instance)(nil),                                // 9: google.spanner.admin.instance.v1.Instance
+	(*ListInstanceConfigsRequest)(nil),              // 10: google.spanner.admin.instance.v1.ListInstanceConfigsRequest
+	(*ListInstanceConfigsResponse)(nil),             // 11: google.spanner.admin.instance.v1.ListInstanceConfigsResponse
+	(*GetInstanceConfigRequest)(nil),                // 12: google.spanner.admin.instance.v1.GetInstanceConfigRequest
+	(*CreateInstanceConfigRequest)(nil),             // 13: google.spanner.admin.instance.v1.CreateInstanceConfigRequest
+	(*UpdateInstanceConfigRequest)(nil),             // 14: google.spanner.admin.instance.v1.UpdateInstanceConfigRequest
+	(*DeleteInstanceConfigRequest)(nil),             // 15: google.spanner.admin.instance.v1.DeleteInstanceConfigRequest
+	(*ListInstanceConfigOperationsRequest)(nil),     // 16: google.spanner.admin.instance.v1.ListInstanceConfigOperationsRequest
+	(*ListInstanceConfigOperationsResponse)(nil),    // 17: google.spanner.admin.instance.v1.ListInstanceConfigOperationsResponse
+	(*GetInstanceRequest)(nil),                      // 18: google.spanner.admin.instance.v1.GetInstanceRequest
+	(*CreateInstanceRequest)(nil),                   // 19: google.spanner.admin.instance.v1.CreateInstanceRequest
+	(*ListInstancesRequest)(nil),                    // 20: google.spanner.admin.instance.v1.ListInstancesRequest
+	(*ListInstancesResponse)(nil),                   // 21: google.spanner.admin.instance.v1.ListInstancesResponse
+	(*UpdateInstanceRequest)(nil),                   // 22: google.spanner.admin.instance.v1.UpdateInstanceRequest
+	(*DeleteInstanceRequest)(nil),                   // 23: google.spanner.admin.instance.v1.DeleteInstanceRequest
+	(*CreateInstanceMetadata)(nil),                  // 24: google.spanner.admin.instance.v1.CreateInstanceMetadata
+	(*UpdateInstanceMetadata)(nil),                  // 25: google.spanner.admin.instance.v1.UpdateInstanceMetadata
+	(*CreateInstanceConfigMetadata)(nil),            // 26: google.spanner.admin.instance.v1.CreateInstanceConfigMetadata
+	(*UpdateInstanceConfigMetadata)(nil),            // 27: google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata
+	(*InstancePartition)(nil),                       // 28: google.spanner.admin.instance.v1.InstancePartition
+	(*CreateInstancePartitionMetadata)(nil),         // 29: google.spanner.admin.instance.v1.CreateInstancePartitionMetadata
+	(*CreateInstancePartitionRequest)(nil),          // 30: google.spanner.admin.instance.v1.CreateInstancePartitionRequest
+	(*DeleteInstancePartitionRequest)(nil),          // 31: google.spanner.admin.instance.v1.DeleteInstancePartitionRequest
+	(*GetInstancePartitionRequest)(nil),             // 32: google.spanner.admin.instance.v1.GetInstancePartitionRequest
+	(*UpdateInstancePartitionRequest)(nil),          // 33: google.spanner.admin.instance.v1.UpdateInstancePartitionRequest
+	(*UpdateInstancePartitionMetadata)(nil),         // 34: google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata
+	(*ListInstancePartitionsRequest)(nil),           // 35: google.spanner.admin.instance.v1.ListInstancePartitionsRequest
+	(*ListInstancePartitionsResponse)(nil),          // 36: google.spanner.admin.instance.v1.ListInstancePartitionsResponse
+	(*ListInstancePartitionOperationsRequest)(nil),  // 37: google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest
+	(*ListInstancePartitionOperationsResponse)(nil), // 38: google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse
+	(*MoveInstanceRequest)(nil),                     // 39: google.spanner.admin.instance.v1.MoveInstanceRequest
+	(*MoveInstanceResponse)(nil),                    // 40: google.spanner.admin.instance.v1.MoveInstanceResponse
+	(*MoveInstanceMetadata)(nil),                    // 41: google.spanner.admin.instance.v1.MoveInstanceMetadata
+	nil,                                             // 42: google.spanner.admin.instance.v1.InstanceConfig.LabelsEntry
+	(*AutoscalingConfig_AutoscalingLimits)(nil),     // 43: google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingLimits
+	(*AutoscalingConfig_AutoscalingTargets)(nil),    // 44: google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingTargets
+	nil,                                      // 45: google.spanner.admin.instance.v1.Instance.LabelsEntry
+	(*timestamppb.Timestamp)(nil),            // 46: google.protobuf.Timestamp
+	(*fieldmaskpb.FieldMask)(nil),            // 47: google.protobuf.FieldMask
+	(*longrunningpb.Operation)(nil),          // 48: google.longrunning.Operation
+	(FulfillmentPeriod)(0),                   // 49: google.spanner.admin.instance.v1.FulfillmentPeriod
+	(*OperationProgress)(nil),                // 50: google.spanner.admin.instance.v1.OperationProgress
+	(*iampb.SetIamPolicyRequest)(nil),        // 51: google.iam.v1.SetIamPolicyRequest
+	(*iampb.GetIamPolicyRequest)(nil),        // 52: google.iam.v1.GetIamPolicyRequest
+	(*iampb.TestIamPermissionsRequest)(nil),  // 53: google.iam.v1.TestIamPermissionsRequest
+	(*emptypb.Empty)(nil),                    // 54: google.protobuf.Empty
+	(*iampb.Policy)(nil),                     // 55: google.iam.v1.Policy
+	(*iampb.TestIamPermissionsResponse)(nil), // 56: google.iam.v1.TestIamPermissionsResponse
+}
+var file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_depIdxs = []int32{
+	0,  // 0: google.spanner.admin.instance.v1.ReplicaInfo.type:type_name -> google.spanner.admin.instance.v1.ReplicaInfo.ReplicaType
+	1,  // 1: google.spanner.admin.instance.v1.InstanceConfig.config_type:type_name -> google.spanner.admin.instance.v1.InstanceConfig.Type
+	6,  // 2: google.spanner.admin.instance.v1.InstanceConfig.replicas:type_name -> google.spanner.admin.instance.v1.ReplicaInfo
+	6,  // 3: google.spanner.admin.instance.v1.InstanceConfig.optional_replicas:type_name -> google.spanner.admin.instance.v1.ReplicaInfo
+	42, // 4: google.spanner.admin.instance.v1.InstanceConfig.labels:type_name -> google.spanner.admin.instance.v1.InstanceConfig.LabelsEntry
+	2,  // 5: google.spanner.admin.instance.v1.InstanceConfig.state:type_name -> google.spanner.admin.instance.v1.InstanceConfig.State
+	43, // 6: google.spanner.admin.instance.v1.AutoscalingConfig.autoscaling_limits:type_name -> google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingLimits
+	44, // 7: google.spanner.admin.instance.v1.AutoscalingConfig.autoscaling_targets:type_name -> google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingTargets
+	8,  // 8: google.spanner.admin.instance.v1.Instance.autoscaling_config:type_name -> google.spanner.admin.instance.v1.AutoscalingConfig
+	3,  // 9: google.spanner.admin.instance.v1.Instance.state:type_name -> google.spanner.admin.instance.v1.Instance.State
+	45, // 10: google.spanner.admin.instance.v1.Instance.labels:type_name -> google.spanner.admin.instance.v1.Instance.LabelsEntry
+	46, // 11: google.spanner.admin.instance.v1.Instance.create_time:type_name -> google.protobuf.Timestamp
+	46, // 12: google.spanner.admin.instance.v1.Instance.update_time:type_name -> google.protobuf.Timestamp
+	4,  // 13: google.spanner.admin.instance.v1.Instance.edition:type_name -> google.spanner.admin.instance.v1.Instance.Edition
+	7,  // 14: google.spanner.admin.instance.v1.ListInstanceConfigsResponse.instance_configs:type_name -> google.spanner.admin.instance.v1.InstanceConfig
+	7,  // 15: google.spanner.admin.instance.v1.CreateInstanceConfigRequest.instance_config:type_name -> google.spanner.admin.instance.v1.InstanceConfig
+	7,  // 16: google.spanner.admin.instance.v1.UpdateInstanceConfigRequest.instance_config:type_name -> google.spanner.admin.instance.v1.InstanceConfig
+	47, // 17: google.spanner.admin.instance.v1.UpdateInstanceConfigRequest.update_mask:type_name -> google.protobuf.FieldMask
+	48, // 18: google.spanner.admin.instance.v1.ListInstanceConfigOperationsResponse.operations:type_name -> google.longrunning.Operation
+	47, // 19: google.spanner.admin.instance.v1.GetInstanceRequest.field_mask:type_name -> google.protobuf.FieldMask
+	9,  // 20: google.spanner.admin.instance.v1.CreateInstanceRequest.instance:type_name -> google.spanner.admin.instance.v1.Instance
+	46, // 21: google.spanner.admin.instance.v1.ListInstancesRequest.instance_deadline:type_name -> google.protobuf.Timestamp
+	9,  // 22: google.spanner.admin.instance.v1.ListInstancesResponse.instances:type_name -> google.spanner.admin.instance.v1.Instance
+	9,  // 23: google.spanner.admin.instance.v1.UpdateInstanceRequest.instance:type_name -> google.spanner.admin.instance.v1.Instance
+	47, // 24: google.spanner.admin.instance.v1.UpdateInstanceRequest.field_mask:type_name -> google.protobuf.FieldMask
+	9,  // 25: google.spanner.admin.instance.v1.CreateInstanceMetadata.instance:type_name -> google.spanner.admin.instance.v1.Instance
+	46, // 26: google.spanner.admin.instance.v1.CreateInstanceMetadata.start_time:type_name -> google.protobuf.Timestamp
+	46, // 27: google.spanner.admin.instance.v1.CreateInstanceMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	46, // 28: google.spanner.admin.instance.v1.CreateInstanceMetadata.end_time:type_name -> google.protobuf.Timestamp
+	49, // 29: google.spanner.admin.instance.v1.CreateInstanceMetadata.expected_fulfillment_period:type_name -> google.spanner.admin.instance.v1.FulfillmentPeriod
+	9,  // 30: google.spanner.admin.instance.v1.UpdateInstanceMetadata.instance:type_name -> google.spanner.admin.instance.v1.Instance
+	46, // 31: google.spanner.admin.instance.v1.UpdateInstanceMetadata.start_time:type_name -> google.protobuf.Timestamp
+	46, // 32: google.spanner.admin.instance.v1.UpdateInstanceMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	46, // 33: google.spanner.admin.instance.v1.UpdateInstanceMetadata.end_time:type_name -> google.protobuf.Timestamp
+	49, // 34: google.spanner.admin.instance.v1.UpdateInstanceMetadata.expected_fulfillment_period:type_name -> google.spanner.admin.instance.v1.FulfillmentPeriod
+	7,  // 35: google.spanner.admin.instance.v1.CreateInstanceConfigMetadata.instance_config:type_name -> google.spanner.admin.instance.v1.InstanceConfig
+	50, // 36: google.spanner.admin.instance.v1.CreateInstanceConfigMetadata.progress:type_name -> google.spanner.admin.instance.v1.OperationProgress
+	46, // 37: google.spanner.admin.instance.v1.CreateInstanceConfigMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	7,  // 38: google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata.instance_config:type_name -> google.spanner.admin.instance.v1.InstanceConfig
+	50, // 39: google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata.progress:type_name -> google.spanner.admin.instance.v1.OperationProgress
+	46, // 40: google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	5,  // 41: google.spanner.admin.instance.v1.InstancePartition.state:type_name -> google.spanner.admin.instance.v1.InstancePartition.State
+	46, // 42: google.spanner.admin.instance.v1.InstancePartition.create_time:type_name -> google.protobuf.Timestamp
+	46, // 43: google.spanner.admin.instance.v1.InstancePartition.update_time:type_name -> google.protobuf.Timestamp
+	28, // 44: google.spanner.admin.instance.v1.CreateInstancePartitionMetadata.instance_partition:type_name -> google.spanner.admin.instance.v1.InstancePartition
+	46, // 45: google.spanner.admin.instance.v1.CreateInstancePartitionMetadata.start_time:type_name -> google.protobuf.Timestamp
+	46, // 46: google.spanner.admin.instance.v1.CreateInstancePartitionMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	46, // 47: google.spanner.admin.instance.v1.CreateInstancePartitionMetadata.end_time:type_name -> google.protobuf.Timestamp
+	28, // 48: google.spanner.admin.instance.v1.CreateInstancePartitionRequest.instance_partition:type_name -> google.spanner.admin.instance.v1.InstancePartition
+	28, // 49: google.spanner.admin.instance.v1.UpdateInstancePartitionRequest.instance_partition:type_name -> google.spanner.admin.instance.v1.InstancePartition
+	47, // 50: google.spanner.admin.instance.v1.UpdateInstancePartitionRequest.field_mask:type_name -> google.protobuf.FieldMask
+	28, // 51: google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.instance_partition:type_name -> google.spanner.admin.instance.v1.InstancePartition
+	46, // 52: google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.start_time:type_name -> google.protobuf.Timestamp
+	46, // 53: google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	46, // 54: google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.end_time:type_name -> google.protobuf.Timestamp
+	46, // 55: google.spanner.admin.instance.v1.ListInstancePartitionsRequest.instance_partition_deadline:type_name -> google.protobuf.Timestamp
+	28, // 56: google.spanner.admin.instance.v1.ListInstancePartitionsResponse.instance_partitions:type_name -> google.spanner.admin.instance.v1.InstancePartition
+	46, // 57: google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest.instance_partition_deadline:type_name -> google.protobuf.Timestamp
+	48, // 58: google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse.operations:type_name -> google.longrunning.Operation
+	50, // 59: google.spanner.admin.instance.v1.MoveInstanceMetadata.progress:type_name -> google.spanner.admin.instance.v1.OperationProgress
+	46, // 60: google.spanner.admin.instance.v1.MoveInstanceMetadata.cancel_time:type_name -> google.protobuf.Timestamp
+	10, // 61: google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs:input_type -> google.spanner.admin.instance.v1.ListInstanceConfigsRequest
+	12, // 62: google.spanner.admin.instance.v1.InstanceAdmin.GetInstanceConfig:input_type -> google.spanner.admin.instance.v1.GetInstanceConfigRequest
+	13, // 63: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstanceConfig:input_type -> google.spanner.admin.instance.v1.CreateInstanceConfigRequest
+	14, // 64: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstanceConfig:input_type -> google.spanner.admin.instance.v1.UpdateInstanceConfigRequest
+	15, // 65: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstanceConfig:input_type -> google.spanner.admin.instance.v1.DeleteInstanceConfigRequest
+	16, // 66: google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigOperations:input_type -> google.spanner.admin.instance.v1.ListInstanceConfigOperationsRequest
+	20, // 67: google.spanner.admin.instance.v1.InstanceAdmin.ListInstances:input_type -> google.spanner.admin.instance.v1.ListInstancesRequest
+	35, // 68: google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitions:input_type -> google.spanner.admin.instance.v1.ListInstancePartitionsRequest
+	18, // 69: google.spanner.admin.instance.v1.InstanceAdmin.GetInstance:input_type -> google.spanner.admin.instance.v1.GetInstanceRequest
+	19, // 70: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance:input_type -> google.spanner.admin.instance.v1.CreateInstanceRequest
+	22, // 71: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance:input_type -> google.spanner.admin.instance.v1.UpdateInstanceRequest
+	23, // 72: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstance:input_type -> google.spanner.admin.instance.v1.DeleteInstanceRequest
+	51, // 73: google.spanner.admin.instance.v1.InstanceAdmin.SetIamPolicy:input_type -> google.iam.v1.SetIamPolicyRequest
+	52, // 74: google.spanner.admin.instance.v1.InstanceAdmin.GetIamPolicy:input_type -> google.iam.v1.GetIamPolicyRequest
+	53, // 75: google.spanner.admin.instance.v1.InstanceAdmin.TestIamPermissions:input_type -> google.iam.v1.TestIamPermissionsRequest
+	32, // 76: google.spanner.admin.instance.v1.InstanceAdmin.GetInstancePartition:input_type -> google.spanner.admin.instance.v1.GetInstancePartitionRequest
+	30, // 77: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstancePartition:input_type -> google.spanner.admin.instance.v1.CreateInstancePartitionRequest
+	31, // 78: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstancePartition:input_type -> google.spanner.admin.instance.v1.DeleteInstancePartitionRequest
+	33, // 79: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstancePartition:input_type -> google.spanner.admin.instance.v1.UpdateInstancePartitionRequest
+	37, // 80: google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitionOperations:input_type -> google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest
+	39, // 81: google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance:input_type -> google.spanner.admin.instance.v1.MoveInstanceRequest
+	11, // 82: google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigs:output_type -> google.spanner.admin.instance.v1.ListInstanceConfigsResponse
+	7,  // 83: google.spanner.admin.instance.v1.InstanceAdmin.GetInstanceConfig:output_type -> google.spanner.admin.instance.v1.InstanceConfig
+	48, // 84: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstanceConfig:output_type -> google.longrunning.Operation
+	48, // 85: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstanceConfig:output_type -> google.longrunning.Operation
+	54, // 86: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstanceConfig:output_type -> google.protobuf.Empty
+	17, // 87: google.spanner.admin.instance.v1.InstanceAdmin.ListInstanceConfigOperations:output_type -> google.spanner.admin.instance.v1.ListInstanceConfigOperationsResponse
+	21, // 88: google.spanner.admin.instance.v1.InstanceAdmin.ListInstances:output_type -> google.spanner.admin.instance.v1.ListInstancesResponse
+	36, // 89: google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitions:output_type -> google.spanner.admin.instance.v1.ListInstancePartitionsResponse
+	9,  // 90: google.spanner.admin.instance.v1.InstanceAdmin.GetInstance:output_type -> google.spanner.admin.instance.v1.Instance
+	48, // 91: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstance:output_type -> google.longrunning.Operation
+	48, // 92: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstance:output_type -> google.longrunning.Operation
+	54, // 93: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstance:output_type -> google.protobuf.Empty
+	55, // 94: google.spanner.admin.instance.v1.InstanceAdmin.SetIamPolicy:output_type -> google.iam.v1.Policy
+	55, // 95: google.spanner.admin.instance.v1.InstanceAdmin.GetIamPolicy:output_type -> google.iam.v1.Policy
+	56, // 96: google.spanner.admin.instance.v1.InstanceAdmin.TestIamPermissions:output_type -> google.iam.v1.TestIamPermissionsResponse
+	28, // 97: google.spanner.admin.instance.v1.InstanceAdmin.GetInstancePartition:output_type -> google.spanner.admin.instance.v1.InstancePartition
+	48, // 98: google.spanner.admin.instance.v1.InstanceAdmin.CreateInstancePartition:output_type -> google.longrunning.Operation
+	54, // 99: google.spanner.admin.instance.v1.InstanceAdmin.DeleteInstancePartition:output_type -> google.protobuf.Empty
+	48, // 100: google.spanner.admin.instance.v1.InstanceAdmin.UpdateInstancePartition:output_type -> google.longrunning.Operation
+	38, // 101: google.spanner.admin.instance.v1.InstanceAdmin.ListInstancePartitionOperations:output_type -> google.spanner.admin.instance.v1.ListInstancePartitionOperationsResponse
+	48, // 102: google.spanner.admin.instance.v1.InstanceAdmin.MoveInstance:output_type -> google.longrunning.Operation
+	82, // [82:103] is the sub-list for method output_type
+	61, // [61:82] is the sub-list for method input_type
+	61, // [61:61] is the sub-list for extension type_name
+	61, // [61:61] is the sub-list for extension extendee
+	0,  // [0:61] is the sub-list for field type_name
+}
+
+func init() { file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_init() }
+func file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_init() {
+	if File_google_spanner_admin_instance_v1_spanner_instance_admin_proto != nil {
+		return
+	}
+	file_google_spanner_admin_instance_v1_common_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*ReplicaInfo); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*InstanceConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*AutoscalingConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*Instance); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstanceConfigsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstanceConfigsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*GetInstanceConfigRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstanceConfigRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstanceConfigRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*DeleteInstanceConfigRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstanceConfigOperationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstanceConfigOperationsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*GetInstanceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[13].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstanceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[14].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[15].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[16].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstanceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[17].Exporter = func(v any, i int) any {
+			switch v := v.(*DeleteInstanceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[18].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstanceMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[19].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstanceMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[20].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstanceConfigMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[21].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstanceConfigMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[22].Exporter = func(v any, i int) any {
+			switch v := v.(*InstancePartition); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[23].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstancePartitionMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[24].Exporter = func(v any, i int) any {
+			switch v := v.(*CreateInstancePartitionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[25].Exporter = func(v any, i int) any {
+			switch v := v.(*DeleteInstancePartitionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[26].Exporter = func(v any, i int) any {
+			switch v := v.(*GetInstancePartitionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[27].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstancePartitionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[28].Exporter = func(v any, i int) any {
+			switch v := v.(*UpdateInstancePartitionMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[29].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancePartitionsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[30].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancePartitionsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[31].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancePartitionOperationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[32].Exporter = func(v any, i int) any {
+			switch v := v.(*ListInstancePartitionOperationsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[33].Exporter = func(v any, i int) any {
+			switch v := v.(*MoveInstanceRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[34].Exporter = func(v any, i int) any {
+			switch v := v.(*MoveInstanceResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[35].Exporter = func(v any, i int) any {
+			switch v := v.(*MoveInstanceMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[37].Exporter = func(v any, i int) any {
+			switch v := v.(*AutoscalingConfig_AutoscalingLimits); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[38].Exporter = func(v any, i int) any {
+			switch v := v.(*AutoscalingConfig_AutoscalingTargets); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[22].OneofWrappers = []any{
+		(*InstancePartition_NodeCount)(nil),
+		(*InstancePartition_ProcessingUnits)(nil),
+	}
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes[37].OneofWrappers = []any{
+		(*AutoscalingConfig_AutoscalingLimits_MinNodes)(nil),
+		(*AutoscalingConfig_AutoscalingLimits_MinProcessingUnits)(nil),
+		(*AutoscalingConfig_AutoscalingLimits_MaxNodes)(nil),
+		(*AutoscalingConfig_AutoscalingLimits_MaxProcessingUnits)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDesc,
+			NumEnums:      6,
+			NumMessages:   40,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_goTypes,
+		DependencyIndexes: file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_depIdxs,
+		EnumInfos:         file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_enumTypes,
+		MessageInfos:      file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_msgTypes,
+	}.Build()
+	File_google_spanner_admin_instance_v1_spanner_instance_admin_proto = out.File
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_rawDesc = nil
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_goTypes = nil
+	file_google_spanner_admin_instance_v1_spanner_instance_admin_proto_depIdxs = nil
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConnInterface
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion6
+
+// InstanceAdminClient is the client API for InstanceAdmin service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type InstanceAdminClient interface {
+	// Lists the supported instance configurations for a given project.
+	ListInstanceConfigs(ctx context.Context, in *ListInstanceConfigsRequest, opts ...grpc.CallOption) (*ListInstanceConfigsResponse, error)
+	// Gets information about a particular instance configuration.
+	GetInstanceConfig(ctx context.Context, in *GetInstanceConfigRequest, opts ...grpc.CallOption) (*InstanceConfig, error)
+	// Creates an instance configuration and begins preparing it to be used. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new
+	// instance configuration. The instance configuration name is assigned by the
+	// caller. If the named instance configuration already exists,
+	// `CreateInstanceConfig` returns `ALREADY_EXISTS`.
+	//
+	// Immediately after the request returns:
+	//
+	//   - The instance configuration is readable via the API, with all requested
+	//     attributes. The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field is set to true. Its state is `CREATING`.
+	//
+	// While the operation is pending:
+	//
+	//   - Cancelling the operation renders the instance configuration immediately
+	//     unreadable via the API.
+	//   - Except for deleting the creating resource, all other attempts to modify
+	//     the instance configuration are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Instances can be created using the instance configuration.
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field becomes false. Its state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_config_name>/operations/<operation_id>` and can be used to track
+	// creation of the instance configuration. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstanceConfigMetadata][google.spanner.admin.instance.v1.CreateInstanceConfigMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig], if
+	// successful.
+	//
+	// Authorization requires `spanner.instanceConfigs.create` permission on
+	// the resource
+	// [parent][google.spanner.admin.instance.v1.CreateInstanceConfigRequest.parent].
+	CreateInstanceConfig(ctx context.Context, in *CreateInstanceConfigRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Updates an instance configuration. The returned
+	// [long-running operation][google.longrunning.Operation] can be used to track
+	// the progress of updating the instance. If the named instance configuration
+	// does not exist, returns `NOT_FOUND`.
+	//
+	// Only user-managed configurations can be updated.
+	//
+	// Immediately after the request returns:
+	//
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field is set to true.
+	//
+	// While the operation is pending:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata.cancel_time].
+	//     The operation is guaranteed to succeed at undoing all changes, after
+	//     which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance configuration are rejected.
+	//   - Reading the instance configuration via the API continues to give the
+	//     pre-request values.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Creating instances using the instance configuration uses the new
+	//     values.
+	//   - The new values of the instance configuration are readable via the API.
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field becomes false.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_config_name>/operations/<operation_id>` and can be used to track
+	// the instance configuration modification.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstanceConfigMetadata][google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig], if
+	// successful.
+	//
+	// Authorization requires `spanner.instanceConfigs.update` permission on
+	// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name].
+	UpdateInstanceConfig(ctx context.Context, in *UpdateInstanceConfigRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Deletes the instance configuration. Deletion is only allowed when no
+	// instances are using the configuration. If any instances are using
+	// the configuration, returns `FAILED_PRECONDITION`.
+	//
+	// Only user-managed configurations can be deleted.
+	//
+	// Authorization requires `spanner.instanceConfigs.delete` permission on
+	// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name].
+	DeleteInstanceConfig(ctx context.Context, in *DeleteInstanceConfigRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Lists the user-managed instance configuration [long-running
+	// operations][google.longrunning.Operation] in the given project. An instance
+	// configuration operation has a name of the form
+	// `projects/<project>/instanceConfigs/<instance_config>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.start_time` in descending order starting
+	// from the most recently started operation.
+	ListInstanceConfigOperations(ctx context.Context, in *ListInstanceConfigOperationsRequest, opts ...grpc.CallOption) (*ListInstanceConfigOperationsResponse, error)
+	// Lists all instances in the given project.
+	ListInstances(ctx context.Context, in *ListInstancesRequest, opts ...grpc.CallOption) (*ListInstancesResponse, error)
+	// Lists all instance partitions for the given instance.
+	ListInstancePartitions(ctx context.Context, in *ListInstancePartitionsRequest, opts ...grpc.CallOption) (*ListInstancePartitionsResponse, error)
+	// Gets information about a particular instance.
+	GetInstance(ctx context.Context, in *GetInstanceRequest, opts ...grpc.CallOption) (*Instance, error)
+	// Creates an instance and begins preparing it to begin serving. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new
+	// instance. The instance name is assigned by the caller. If the
+	// named instance already exists, `CreateInstance` returns
+	// `ALREADY_EXISTS`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - The instance is readable via the API, with all requested attributes
+	//     but no allocated resources. Its state is `CREATING`.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation renders the instance immediately unreadable
+	//     via the API.
+	//   - The instance can be deleted.
+	//   - All other attempts to modify the instance are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing for all successfully-allocated resources begins (some types
+	//     may have lower than the requested levels).
+	//   - Databases can be created in the instance.
+	//   - The instance's allocated resource levels are readable via the API.
+	//   - The instance's state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<instance_name>/operations/<operation_id>` and
+	// can be used to track creation of the instance.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstanceMetadata][google.spanner.admin.instance.v1.CreateInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+	CreateInstance(ctx context.Context, in *CreateInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Updates an instance, and begins allocating or releasing resources
+	// as requested. The returned [long-running
+	// operation][google.longrunning.Operation] can be used to track the
+	// progress of updating the instance. If the named instance does not
+	// exist, returns `NOT_FOUND`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - For resource types for which a decrease in the instance's allocation
+	//     has been requested, billing is based on the newly-requested level.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstanceMetadata.cancel_time],
+	//     and begins restoring resources to their pre-request values. The
+	//     operation is guaranteed to succeed at undoing all resource changes,
+	//     after which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance are rejected.
+	//   - Reading the instance via the API continues to give the pre-request
+	//     resource levels.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing begins for all successfully-allocated resources (some types
+	//     may have lower than the requested levels).
+	//   - All newly-reserved resources are available for serving the instance's
+	//     tables.
+	//   - The instance's new resource levels are readable via the API.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<instance_name>/operations/<operation_id>` and
+	// can be used to track the instance modification.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstanceMetadata][google.spanner.admin.instance.v1.UpdateInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+	//
+	// Authorization requires `spanner.instances.update` permission on
+	// the resource [name][google.spanner.admin.instance.v1.Instance.name].
+	UpdateInstance(ctx context.Context, in *UpdateInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Deletes an instance.
+	//
+	// Immediately upon completion of the request:
+	//
+	//   - Billing ceases for all of the instance's reserved resources.
+	//
+	// Soon afterward:
+	//
+	//   - The instance and *all of its databases* immediately and
+	//     irrevocably disappear from the API. All data in the databases
+	//     is permanently deleted.
+	DeleteInstance(ctx context.Context, in *DeleteInstanceRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Sets the access control policy on an instance resource. Replaces any
+	// existing policy.
+	//
+	// Authorization requires `spanner.instances.setIamPolicy` on
+	// [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	SetIamPolicy(ctx context.Context, in *iampb.SetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error)
+	// Gets the access control policy for an instance resource. Returns an empty
+	// policy if an instance exists but does not have a policy set.
+	//
+	// Authorization requires `spanner.instances.getIamPolicy` on
+	// [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	GetIamPolicy(ctx context.Context, in *iampb.GetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error)
+	// Returns permissions that the caller has on the specified instance resource.
+	//
+	// Attempting this RPC on a non-existent Cloud Spanner instance resource will
+	// result in a NOT_FOUND error if the user has `spanner.instances.list`
+	// permission on the containing Google Cloud Project. Otherwise returns an
+	// empty set of permissions.
+	TestIamPermissions(ctx context.Context, in *iampb.TestIamPermissionsRequest, opts ...grpc.CallOption) (*iampb.TestIamPermissionsResponse, error)
+	// Gets information about a particular instance partition.
+	GetInstancePartition(ctx context.Context, in *GetInstancePartitionRequest, opts ...grpc.CallOption) (*InstancePartition, error)
+	// Creates an instance partition and begins preparing it to be used. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new instance partition.
+	// The instance partition name is assigned by the caller. If the named
+	// instance partition already exists, `CreateInstancePartition` returns
+	// `ALREADY_EXISTS`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - The instance partition is readable via the API, with all requested
+	//     attributes but no allocated resources. Its state is `CREATING`.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation renders the instance partition immediately
+	//     unreadable via the API.
+	//   - The instance partition can be deleted.
+	//   - All other attempts to modify the instance partition are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing for all successfully-allocated resources begins (some types
+	//     may have lower than the requested levels).
+	//   - Databases can start using this instance partition.
+	//   - The instance partition's allocated resource levels are readable via the
+	//     API.
+	//   - The instance partition's state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_partition_name>/operations/<operation_id>` and can be used to
+	// track creation of the instance partition.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstancePartitionMetadata][google.spanner.admin.instance.v1.CreateInstancePartitionMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition], if
+	// successful.
+	CreateInstancePartition(ctx context.Context, in *CreateInstancePartitionRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Deletes an existing instance partition. Requires that the
+	// instance partition is not used by any database or backup and is not the
+	// default instance partition of an instance.
+	//
+	// Authorization requires `spanner.instancePartitions.delete` permission on
+	// the resource
+	// [name][google.spanner.admin.instance.v1.InstancePartition.name].
+	DeleteInstancePartition(ctx context.Context, in *DeleteInstancePartitionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// Updates an instance partition, and begins allocating or releasing resources
+	// as requested. The returned [long-running
+	// operation][google.longrunning.Operation] can be used to track the
+	// progress of updating the instance partition. If the named instance
+	// partition does not exist, returns `NOT_FOUND`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - For resource types for which a decrease in the instance partition's
+	//     allocation has been requested, billing is based on the newly-requested
+	//     level.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.cancel_time],
+	//     and begins restoring resources to their pre-request values. The
+	//     operation is guaranteed to succeed at undoing all resource changes,
+	//     after which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance partition are rejected.
+	//   - Reading the instance partition via the API continues to give the
+	//     pre-request resource levels.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing begins for all successfully-allocated resources (some types
+	//     may have lower than the requested levels).
+	//   - All newly-reserved resources are available for serving the instance
+	//     partition's tables.
+	//   - The instance partition's new resource levels are readable via the API.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_partition_name>/operations/<operation_id>` and can be used to
+	// track the instance partition modification. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstancePartitionMetadata][google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition], if
+	// successful.
+	//
+	// Authorization requires `spanner.instancePartitions.update` permission on
+	// the resource
+	// [name][google.spanner.admin.instance.v1.InstancePartition.name].
+	UpdateInstancePartition(ctx context.Context, in *UpdateInstancePartitionRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+	// Lists instance partition [long-running
+	// operations][google.longrunning.Operation] in the given instance.
+	// An instance partition operation has a name of the form
+	// `projects/<project>/instances/<instance>/instancePartitions/<instance_partition>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.start_time` in descending order starting from the
+	// most recently started operation.
+	//
+	// Authorization requires `spanner.instancePartitionOperations.list`
+	// permission on the resource
+	// [parent][google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest.parent].
+	ListInstancePartitionOperations(ctx context.Context, in *ListInstancePartitionOperationsRequest, opts ...grpc.CallOption) (*ListInstancePartitionOperationsResponse, error)
+	// Moves an instance to the target instance configuration. You can use the
+	// returned [long-running operation][google.longrunning.Operation] to track
+	// the progress of moving the instance.
+	//
+	// `MoveInstance` returns `FAILED_PRECONDITION` if the instance meets any of
+	// the following criteria:
+	//
+	//   - Is undergoing a move to a different instance configuration
+	//   - Has backups
+	//   - Has an ongoing update
+	//   - Contains any CMEK-enabled databases
+	//   - Is a free trial instance
+	//
+	// While the operation is pending:
+	//
+	//   - All other attempts to modify the instance, including changes to its
+	//     compute capacity, are rejected.
+	//
+	//   - The following database and backup admin operations are rejected:
+	//
+	//   - `DatabaseAdmin.CreateDatabase`
+	//
+	//   - `DatabaseAdmin.UpdateDatabaseDdl` (disabled if default_leader is
+	//     specified in the request.)
+	//
+	//   - `DatabaseAdmin.RestoreDatabase`
+	//
+	//   - `DatabaseAdmin.CreateBackup`
+	//
+	//   - `DatabaseAdmin.CopyBackup`
+	//
+	//   - Both the source and target instance configurations are subject to
+	//     hourly compute and storage charges.
+	//
+	//   - The instance might experience higher read-write latencies and a higher
+	//     transaction abort rate. However, moving an instance doesn't cause any
+	//     downtime.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] has
+	// a name of the format
+	// `<instance_name>/operations/<operation_id>` and can be used to track
+	// the move instance operation. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [MoveInstanceMetadata][google.spanner.admin.instance.v1.MoveInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance],
+	// if successful.
+	// Cancelling the operation sets its metadata's
+	// [cancel_time][google.spanner.admin.instance.v1.MoveInstanceMetadata.cancel_time].
+	// Cancellation is not immediate because it involves moving any data
+	// previously moved to the target instance configuration back to the original
+	// instance configuration. You can use this operation to track the progress of
+	// the cancellation. Upon successful completion of the cancellation, the
+	// operation terminates with `CANCELLED` status.
+	//
+	// If not cancelled, upon completion of the returned operation:
+	//
+	//   - The instance successfully moves to the target instance
+	//     configuration.
+	//   - You are billed for compute and storage in target instance
+	//     configuration.
+	//
+	// Authorization requires the `spanner.instances.update` permission on
+	// the resource [instance][google.spanner.admin.instance.v1.Instance].
+	//
+	// For more details, see
+	// [Move an instance](https://cloud.google.com/spanner/docs/move-instance).
+	MoveInstance(ctx context.Context, in *MoveInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error)
+}
+
+type instanceAdminClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewInstanceAdminClient(cc grpc.ClientConnInterface) InstanceAdminClient {
+	return &instanceAdminClient{cc}
+}
+
+func (c *instanceAdminClient) ListInstanceConfigs(ctx context.Context, in *ListInstanceConfigsRequest, opts ...grpc.CallOption) (*ListInstanceConfigsResponse, error) {
+	out := new(ListInstanceConfigsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstanceConfigs", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) GetInstanceConfig(ctx context.Context, in *GetInstanceConfigRequest, opts ...grpc.CallOption) (*InstanceConfig, error) {
+	out := new(InstanceConfig)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstanceConfig", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) CreateInstanceConfig(ctx context.Context, in *CreateInstanceConfigRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstanceConfig", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) UpdateInstanceConfig(ctx context.Context, in *UpdateInstanceConfigRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstanceConfig", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) DeleteInstanceConfig(ctx context.Context, in *DeleteInstanceConfigRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstanceConfig", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) ListInstanceConfigOperations(ctx context.Context, in *ListInstanceConfigOperationsRequest, opts ...grpc.CallOption) (*ListInstanceConfigOperationsResponse, error) {
+	out := new(ListInstanceConfigOperationsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstanceConfigOperations", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) ListInstances(ctx context.Context, in *ListInstancesRequest, opts ...grpc.CallOption) (*ListInstancesResponse, error) {
+	out := new(ListInstancesResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstances", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) ListInstancePartitions(ctx context.Context, in *ListInstancePartitionsRequest, opts ...grpc.CallOption) (*ListInstancePartitionsResponse, error) {
+	out := new(ListInstancePartitionsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstancePartitions", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) GetInstance(ctx context.Context, in *GetInstanceRequest, opts ...grpc.CallOption) (*Instance, error) {
+	out := new(Instance)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstance", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) CreateInstance(ctx context.Context, in *CreateInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstance", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) UpdateInstance(ctx context.Context, in *UpdateInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstance", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) DeleteInstance(ctx context.Context, in *DeleteInstanceRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstance", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) SetIamPolicy(ctx context.Context, in *iampb.SetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error) {
+	out := new(iampb.Policy)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/SetIamPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) GetIamPolicy(ctx context.Context, in *iampb.GetIamPolicyRequest, opts ...grpc.CallOption) (*iampb.Policy, error) {
+	out := new(iampb.Policy)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/GetIamPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) TestIamPermissions(ctx context.Context, in *iampb.TestIamPermissionsRequest, opts ...grpc.CallOption) (*iampb.TestIamPermissionsResponse, error) {
+	out := new(iampb.TestIamPermissionsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/TestIamPermissions", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) GetInstancePartition(ctx context.Context, in *GetInstancePartitionRequest, opts ...grpc.CallOption) (*InstancePartition, error) {
+	out := new(InstancePartition)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstancePartition", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) CreateInstancePartition(ctx context.Context, in *CreateInstancePartitionRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstancePartition", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) DeleteInstancePartition(ctx context.Context, in *DeleteInstancePartitionRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstancePartition", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) UpdateInstancePartition(ctx context.Context, in *UpdateInstancePartitionRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstancePartition", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) ListInstancePartitionOperations(ctx context.Context, in *ListInstancePartitionOperationsRequest, opts ...grpc.CallOption) (*ListInstancePartitionOperationsResponse, error) {
+	out := new(ListInstancePartitionOperationsResponse)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstancePartitionOperations", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *instanceAdminClient) MoveInstance(ctx context.Context, in *MoveInstanceRequest, opts ...grpc.CallOption) (*longrunningpb.Operation, error) {
+	out := new(longrunningpb.Operation)
+	err := c.cc.Invoke(ctx, "/google.spanner.admin.instance.v1.InstanceAdmin/MoveInstance", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// InstanceAdminServer is the server API for InstanceAdmin service.
+type InstanceAdminServer interface {
+	// Lists the supported instance configurations for a given project.
+	ListInstanceConfigs(context.Context, *ListInstanceConfigsRequest) (*ListInstanceConfigsResponse, error)
+	// Gets information about a particular instance configuration.
+	GetInstanceConfig(context.Context, *GetInstanceConfigRequest) (*InstanceConfig, error)
+	// Creates an instance configuration and begins preparing it to be used. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new
+	// instance configuration. The instance configuration name is assigned by the
+	// caller. If the named instance configuration already exists,
+	// `CreateInstanceConfig` returns `ALREADY_EXISTS`.
+	//
+	// Immediately after the request returns:
+	//
+	//   - The instance configuration is readable via the API, with all requested
+	//     attributes. The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field is set to true. Its state is `CREATING`.
+	//
+	// While the operation is pending:
+	//
+	//   - Cancelling the operation renders the instance configuration immediately
+	//     unreadable via the API.
+	//   - Except for deleting the creating resource, all other attempts to modify
+	//     the instance configuration are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Instances can be created using the instance configuration.
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field becomes false. Its state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_config_name>/operations/<operation_id>` and can be used to track
+	// creation of the instance configuration. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstanceConfigMetadata][google.spanner.admin.instance.v1.CreateInstanceConfigMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig], if
+	// successful.
+	//
+	// Authorization requires `spanner.instanceConfigs.create` permission on
+	// the resource
+	// [parent][google.spanner.admin.instance.v1.CreateInstanceConfigRequest.parent].
+	CreateInstanceConfig(context.Context, *CreateInstanceConfigRequest) (*longrunningpb.Operation, error)
+	// Updates an instance configuration. The returned
+	// [long-running operation][google.longrunning.Operation] can be used to track
+	// the progress of updating the instance. If the named instance configuration
+	// does not exist, returns `NOT_FOUND`.
+	//
+	// Only user-managed configurations can be updated.
+	//
+	// Immediately after the request returns:
+	//
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field is set to true.
+	//
+	// While the operation is pending:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata.cancel_time].
+	//     The operation is guaranteed to succeed at undoing all changes, after
+	//     which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance configuration are rejected.
+	//   - Reading the instance configuration via the API continues to give the
+	//     pre-request values.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Creating instances using the instance configuration uses the new
+	//     values.
+	//   - The new values of the instance configuration are readable via the API.
+	//   - The instance configuration's
+	//     [reconciling][google.spanner.admin.instance.v1.InstanceConfig.reconciling]
+	//     field becomes false.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_config_name>/operations/<operation_id>` and can be used to track
+	// the instance configuration modification.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstanceConfigMetadata][google.spanner.admin.instance.v1.UpdateInstanceConfigMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstanceConfig][google.spanner.admin.instance.v1.InstanceConfig], if
+	// successful.
+	//
+	// Authorization requires `spanner.instanceConfigs.update` permission on
+	// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name].
+	UpdateInstanceConfig(context.Context, *UpdateInstanceConfigRequest) (*longrunningpb.Operation, error)
+	// Deletes the instance configuration. Deletion is only allowed when no
+	// instances are using the configuration. If any instances are using
+	// the configuration, returns `FAILED_PRECONDITION`.
+	//
+	// Only user-managed configurations can be deleted.
+	//
+	// Authorization requires `spanner.instanceConfigs.delete` permission on
+	// the resource [name][google.spanner.admin.instance.v1.InstanceConfig.name].
+	DeleteInstanceConfig(context.Context, *DeleteInstanceConfigRequest) (*emptypb.Empty, error)
+	// Lists the user-managed instance configuration [long-running
+	// operations][google.longrunning.Operation] in the given project. An instance
+	// configuration operation has a name of the form
+	// `projects/<project>/instanceConfigs/<instance_config>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.start_time` in descending order starting
+	// from the most recently started operation.
+	ListInstanceConfigOperations(context.Context, *ListInstanceConfigOperationsRequest) (*ListInstanceConfigOperationsResponse, error)
+	// Lists all instances in the given project.
+	ListInstances(context.Context, *ListInstancesRequest) (*ListInstancesResponse, error)
+	// Lists all instance partitions for the given instance.
+	ListInstancePartitions(context.Context, *ListInstancePartitionsRequest) (*ListInstancePartitionsResponse, error)
+	// Gets information about a particular instance.
+	GetInstance(context.Context, *GetInstanceRequest) (*Instance, error)
+	// Creates an instance and begins preparing it to begin serving. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new
+	// instance. The instance name is assigned by the caller. If the
+	// named instance already exists, `CreateInstance` returns
+	// `ALREADY_EXISTS`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - The instance is readable via the API, with all requested attributes
+	//     but no allocated resources. Its state is `CREATING`.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation renders the instance immediately unreadable
+	//     via the API.
+	//   - The instance can be deleted.
+	//   - All other attempts to modify the instance are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing for all successfully-allocated resources begins (some types
+	//     may have lower than the requested levels).
+	//   - Databases can be created in the instance.
+	//   - The instance's allocated resource levels are readable via the API.
+	//   - The instance's state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<instance_name>/operations/<operation_id>` and
+	// can be used to track creation of the instance.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstanceMetadata][google.spanner.admin.instance.v1.CreateInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+	CreateInstance(context.Context, *CreateInstanceRequest) (*longrunningpb.Operation, error)
+	// Updates an instance, and begins allocating or releasing resources
+	// as requested. The returned [long-running
+	// operation][google.longrunning.Operation] can be used to track the
+	// progress of updating the instance. If the named instance does not
+	// exist, returns `NOT_FOUND`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - For resource types for which a decrease in the instance's allocation
+	//     has been requested, billing is based on the newly-requested level.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstanceMetadata.cancel_time],
+	//     and begins restoring resources to their pre-request values. The
+	//     operation is guaranteed to succeed at undoing all resource changes,
+	//     after which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance are rejected.
+	//   - Reading the instance via the API continues to give the pre-request
+	//     resource levels.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing begins for all successfully-allocated resources (some types
+	//     may have lower than the requested levels).
+	//   - All newly-reserved resources are available for serving the instance's
+	//     tables.
+	//   - The instance's new resource levels are readable via the API.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format `<instance_name>/operations/<operation_id>` and
+	// can be used to track the instance modification.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstanceMetadata][google.spanner.admin.instance.v1.UpdateInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance], if successful.
+	//
+	// Authorization requires `spanner.instances.update` permission on
+	// the resource [name][google.spanner.admin.instance.v1.Instance.name].
+	UpdateInstance(context.Context, *UpdateInstanceRequest) (*longrunningpb.Operation, error)
+	// Deletes an instance.
+	//
+	// Immediately upon completion of the request:
+	//
+	//   - Billing ceases for all of the instance's reserved resources.
+	//
+	// Soon afterward:
+	//
+	//   - The instance and *all of its databases* immediately and
+	//     irrevocably disappear from the API. All data in the databases
+	//     is permanently deleted.
+	DeleteInstance(context.Context, *DeleteInstanceRequest) (*emptypb.Empty, error)
+	// Sets the access control policy on an instance resource. Replaces any
+	// existing policy.
+	//
+	// Authorization requires `spanner.instances.setIamPolicy` on
+	// [resource][google.iam.v1.SetIamPolicyRequest.resource].
+	SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest) (*iampb.Policy, error)
+	// Gets the access control policy for an instance resource. Returns an empty
+	// policy if an instance exists but does not have a policy set.
+	//
+	// Authorization requires `spanner.instances.getIamPolicy` on
+	// [resource][google.iam.v1.GetIamPolicyRequest.resource].
+	GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest) (*iampb.Policy, error)
+	// Returns permissions that the caller has on the specified instance resource.
+	//
+	// Attempting this RPC on a non-existent Cloud Spanner instance resource will
+	// result in a NOT_FOUND error if the user has `spanner.instances.list`
+	// permission on the containing Google Cloud Project. Otherwise returns an
+	// empty set of permissions.
+	TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error)
+	// Gets information about a particular instance partition.
+	GetInstancePartition(context.Context, *GetInstancePartitionRequest) (*InstancePartition, error)
+	// Creates an instance partition and begins preparing it to be used. The
+	// returned [long-running operation][google.longrunning.Operation]
+	// can be used to track the progress of preparing the new instance partition.
+	// The instance partition name is assigned by the caller. If the named
+	// instance partition already exists, `CreateInstancePartition` returns
+	// `ALREADY_EXISTS`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - The instance partition is readable via the API, with all requested
+	//     attributes but no allocated resources. Its state is `CREATING`.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation renders the instance partition immediately
+	//     unreadable via the API.
+	//   - The instance partition can be deleted.
+	//   - All other attempts to modify the instance partition are rejected.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing for all successfully-allocated resources begins (some types
+	//     may have lower than the requested levels).
+	//   - Databases can start using this instance partition.
+	//   - The instance partition's allocated resource levels are readable via the
+	//     API.
+	//   - The instance partition's state becomes `READY`.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_partition_name>/operations/<operation_id>` and can be used to
+	// track creation of the instance partition.  The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [CreateInstancePartitionMetadata][google.spanner.admin.instance.v1.CreateInstancePartitionMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition], if
+	// successful.
+	CreateInstancePartition(context.Context, *CreateInstancePartitionRequest) (*longrunningpb.Operation, error)
+	// Deletes an existing instance partition. Requires that the
+	// instance partition is not used by any database or backup and is not the
+	// default instance partition of an instance.
+	//
+	// Authorization requires `spanner.instancePartitions.delete` permission on
+	// the resource
+	// [name][google.spanner.admin.instance.v1.InstancePartition.name].
+	DeleteInstancePartition(context.Context, *DeleteInstancePartitionRequest) (*emptypb.Empty, error)
+	// Updates an instance partition, and begins allocating or releasing resources
+	// as requested. The returned [long-running
+	// operation][google.longrunning.Operation] can be used to track the
+	// progress of updating the instance partition. If the named instance
+	// partition does not exist, returns `NOT_FOUND`.
+	//
+	// Immediately upon completion of this request:
+	//
+	//   - For resource types for which a decrease in the instance partition's
+	//     allocation has been requested, billing is based on the newly-requested
+	//     level.
+	//
+	// Until completion of the returned operation:
+	//
+	//   - Cancelling the operation sets its metadata's
+	//     [cancel_time][google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata.cancel_time],
+	//     and begins restoring resources to their pre-request values. The
+	//     operation is guaranteed to succeed at undoing all resource changes,
+	//     after which point it terminates with a `CANCELLED` status.
+	//   - All other attempts to modify the instance partition are rejected.
+	//   - Reading the instance partition via the API continues to give the
+	//     pre-request resource levels.
+	//
+	// Upon completion of the returned operation:
+	//
+	//   - Billing begins for all successfully-allocated resources (some types
+	//     may have lower than the requested levels).
+	//   - All newly-reserved resources are available for serving the instance
+	//     partition's tables.
+	//   - The instance partition's new resource levels are readable via the API.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] will
+	// have a name of the format
+	// `<instance_partition_name>/operations/<operation_id>` and can be used to
+	// track the instance partition modification. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [UpdateInstancePartitionMetadata][google.spanner.admin.instance.v1.UpdateInstancePartitionMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [InstancePartition][google.spanner.admin.instance.v1.InstancePartition], if
+	// successful.
+	//
+	// Authorization requires `spanner.instancePartitions.update` permission on
+	// the resource
+	// [name][google.spanner.admin.instance.v1.InstancePartition.name].
+	UpdateInstancePartition(context.Context, *UpdateInstancePartitionRequest) (*longrunningpb.Operation, error)
+	// Lists instance partition [long-running
+	// operations][google.longrunning.Operation] in the given instance.
+	// An instance partition operation has a name of the form
+	// `projects/<project>/instances/<instance>/instancePartitions/<instance_partition>/operations/<operation>`.
+	// The long-running operation
+	// [metadata][google.longrunning.Operation.metadata] field type
+	// `metadata.type_url` describes the type of the metadata. Operations returned
+	// include those that have completed/failed/canceled within the last 7 days,
+	// and pending operations. Operations returned are ordered by
+	// `operation.metadata.value.start_time` in descending order starting from the
+	// most recently started operation.
+	//
+	// Authorization requires `spanner.instancePartitionOperations.list`
+	// permission on the resource
+	// [parent][google.spanner.admin.instance.v1.ListInstancePartitionOperationsRequest.parent].
+	ListInstancePartitionOperations(context.Context, *ListInstancePartitionOperationsRequest) (*ListInstancePartitionOperationsResponse, error)
+	// Moves an instance to the target instance configuration. You can use the
+	// returned [long-running operation][google.longrunning.Operation] to track
+	// the progress of moving the instance.
+	//
+	// `MoveInstance` returns `FAILED_PRECONDITION` if the instance meets any of
+	// the following criteria:
+	//
+	//   - Is undergoing a move to a different instance configuration
+	//   - Has backups
+	//   - Has an ongoing update
+	//   - Contains any CMEK-enabled databases
+	//   - Is a free trial instance
+	//
+	// While the operation is pending:
+	//
+	//   - All other attempts to modify the instance, including changes to its
+	//     compute capacity, are rejected.
+	//
+	//   - The following database and backup admin operations are rejected:
+	//
+	//   - `DatabaseAdmin.CreateDatabase`
+	//
+	//   - `DatabaseAdmin.UpdateDatabaseDdl` (disabled if default_leader is
+	//     specified in the request.)
+	//
+	//   - `DatabaseAdmin.RestoreDatabase`
+	//
+	//   - `DatabaseAdmin.CreateBackup`
+	//
+	//   - `DatabaseAdmin.CopyBackup`
+	//
+	//   - Both the source and target instance configurations are subject to
+	//     hourly compute and storage charges.
+	//
+	//   - The instance might experience higher read-write latencies and a higher
+	//     transaction abort rate. However, moving an instance doesn't cause any
+	//     downtime.
+	//
+	// The returned [long-running operation][google.longrunning.Operation] has
+	// a name of the format
+	// `<instance_name>/operations/<operation_id>` and can be used to track
+	// the move instance operation. The
+	// [metadata][google.longrunning.Operation.metadata] field type is
+	// [MoveInstanceMetadata][google.spanner.admin.instance.v1.MoveInstanceMetadata].
+	// The [response][google.longrunning.Operation.response] field type is
+	// [Instance][google.spanner.admin.instance.v1.Instance],
+	// if successful.
+	// Cancelling the operation sets its metadata's
+	// [cancel_time][google.spanner.admin.instance.v1.MoveInstanceMetadata.cancel_time].
+	// Cancellation is not immediate because it involves moving any data
+	// previously moved to the target instance configuration back to the original
+	// instance configuration. You can use this operation to track the progress of
+	// the cancellation. Upon successful completion of the cancellation, the
+	// operation terminates with `CANCELLED` status.
+	//
+	// If not cancelled, upon completion of the returned operation:
+	//
+	//   - The instance successfully moves to the target instance
+	//     configuration.
+	//   - You are billed for compute and storage in target instance
+	//     configuration.
+	//
+	// Authorization requires the `spanner.instances.update` permission on
+	// the resource [instance][google.spanner.admin.instance.v1.Instance].
+	//
+	// For more details, see
+	// [Move an instance](https://cloud.google.com/spanner/docs/move-instance).
+	MoveInstance(context.Context, *MoveInstanceRequest) (*longrunningpb.Operation, error)
+}
+
+// UnimplementedInstanceAdminServer can be embedded to have forward compatible implementations.
+type UnimplementedInstanceAdminServer struct {
+}
+
+func (*UnimplementedInstanceAdminServer) ListInstanceConfigs(context.Context, *ListInstanceConfigsRequest) (*ListInstanceConfigsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListInstanceConfigs not implemented")
+}
+func (*UnimplementedInstanceAdminServer) GetInstanceConfig(context.Context, *GetInstanceConfigRequest) (*InstanceConfig, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInstanceConfig not implemented")
+}
+func (*UnimplementedInstanceAdminServer) CreateInstanceConfig(context.Context, *CreateInstanceConfigRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateInstanceConfig not implemented")
+}
+func (*UnimplementedInstanceAdminServer) UpdateInstanceConfig(context.Context, *UpdateInstanceConfigRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateInstanceConfig not implemented")
+}
+func (*UnimplementedInstanceAdminServer) DeleteInstanceConfig(context.Context, *DeleteInstanceConfigRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteInstanceConfig not implemented")
+}
+func (*UnimplementedInstanceAdminServer) ListInstanceConfigOperations(context.Context, *ListInstanceConfigOperationsRequest) (*ListInstanceConfigOperationsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListInstanceConfigOperations not implemented")
+}
+func (*UnimplementedInstanceAdminServer) ListInstances(context.Context, *ListInstancesRequest) (*ListInstancesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListInstances not implemented")
+}
+func (*UnimplementedInstanceAdminServer) ListInstancePartitions(context.Context, *ListInstancePartitionsRequest) (*ListInstancePartitionsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListInstancePartitions not implemented")
+}
+func (*UnimplementedInstanceAdminServer) GetInstance(context.Context, *GetInstanceRequest) (*Instance, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInstance not implemented")
+}
+func (*UnimplementedInstanceAdminServer) CreateInstance(context.Context, *CreateInstanceRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateInstance not implemented")
+}
+func (*UnimplementedInstanceAdminServer) UpdateInstance(context.Context, *UpdateInstanceRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateInstance not implemented")
+}
+func (*UnimplementedInstanceAdminServer) DeleteInstance(context.Context, *DeleteInstanceRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteInstance not implemented")
+}
+func (*UnimplementedInstanceAdminServer) SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest) (*iampb.Policy, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetIamPolicy not implemented")
+}
+func (*UnimplementedInstanceAdminServer) GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest) (*iampb.Policy, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetIamPolicy not implemented")
+}
+func (*UnimplementedInstanceAdminServer) TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest) (*iampb.TestIamPermissionsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method TestIamPermissions not implemented")
+}
+func (*UnimplementedInstanceAdminServer) GetInstancePartition(context.Context, *GetInstancePartitionRequest) (*InstancePartition, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInstancePartition not implemented")
+}
+func (*UnimplementedInstanceAdminServer) CreateInstancePartition(context.Context, *CreateInstancePartitionRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateInstancePartition not implemented")
+}
+func (*UnimplementedInstanceAdminServer) DeleteInstancePartition(context.Context, *DeleteInstancePartitionRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteInstancePartition not implemented")
+}
+func (*UnimplementedInstanceAdminServer) UpdateInstancePartition(context.Context, *UpdateInstancePartitionRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateInstancePartition not implemented")
+}
+func (*UnimplementedInstanceAdminServer) ListInstancePartitionOperations(context.Context, *ListInstancePartitionOperationsRequest) (*ListInstancePartitionOperationsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListInstancePartitionOperations not implemented")
+}
+func (*UnimplementedInstanceAdminServer) MoveInstance(context.Context, *MoveInstanceRequest) (*longrunningpb.Operation, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method MoveInstance not implemented")
+}
+
+func RegisterInstanceAdminServer(s *grpc.Server, srv InstanceAdminServer) {
+	s.RegisterService(&_InstanceAdmin_serviceDesc, srv)
+}
+
+func _InstanceAdmin_ListInstanceConfigs_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListInstanceConfigsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).ListInstanceConfigs(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstanceConfigs",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).ListInstanceConfigs(ctx, req.(*ListInstanceConfigsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_GetInstanceConfig_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetInstanceConfigRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).GetInstanceConfig(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstanceConfig",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).GetInstanceConfig(ctx, req.(*GetInstanceConfigRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_CreateInstanceConfig_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateInstanceConfigRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).CreateInstanceConfig(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstanceConfig",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).CreateInstanceConfig(ctx, req.(*CreateInstanceConfigRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_UpdateInstanceConfig_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateInstanceConfigRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).UpdateInstanceConfig(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstanceConfig",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).UpdateInstanceConfig(ctx, req.(*UpdateInstanceConfigRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_DeleteInstanceConfig_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteInstanceConfigRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).DeleteInstanceConfig(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstanceConfig",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).DeleteInstanceConfig(ctx, req.(*DeleteInstanceConfigRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_ListInstanceConfigOperations_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListInstanceConfigOperationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).ListInstanceConfigOperations(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstanceConfigOperations",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).ListInstanceConfigOperations(ctx, req.(*ListInstanceConfigOperationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_ListInstances_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListInstancesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).ListInstances(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstances",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).ListInstances(ctx, req.(*ListInstancesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_ListInstancePartitions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListInstancePartitionsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).ListInstancePartitions(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstancePartitions",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).ListInstancePartitions(ctx, req.(*ListInstancePartitionsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_GetInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetInstanceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).GetInstance(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstance",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).GetInstance(ctx, req.(*GetInstanceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_CreateInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateInstanceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).CreateInstance(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstance",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).CreateInstance(ctx, req.(*CreateInstanceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_UpdateInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateInstanceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).UpdateInstance(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstance",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).UpdateInstance(ctx, req.(*UpdateInstanceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_DeleteInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteInstanceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).DeleteInstance(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstance",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).DeleteInstance(ctx, req.(*DeleteInstanceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_SetIamPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.SetIamPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).SetIamPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/SetIamPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).SetIamPolicy(ctx, req.(*iampb.SetIamPolicyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_GetIamPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.GetIamPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).GetIamPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/GetIamPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).GetIamPolicy(ctx, req.(*iampb.GetIamPolicyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_TestIamPermissions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(iampb.TestIamPermissionsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).TestIamPermissions(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/TestIamPermissions",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).TestIamPermissions(ctx, req.(*iampb.TestIamPermissionsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_GetInstancePartition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetInstancePartitionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).GetInstancePartition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/GetInstancePartition",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).GetInstancePartition(ctx, req.(*GetInstancePartitionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_CreateInstancePartition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateInstancePartitionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).CreateInstancePartition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/CreateInstancePartition",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).CreateInstancePartition(ctx, req.(*CreateInstancePartitionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_DeleteInstancePartition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteInstancePartitionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).DeleteInstancePartition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/DeleteInstancePartition",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).DeleteInstancePartition(ctx, req.(*DeleteInstancePartitionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_UpdateInstancePartition_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateInstancePartitionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).UpdateInstancePartition(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/UpdateInstancePartition",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).UpdateInstancePartition(ctx, req.(*UpdateInstancePartitionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_ListInstancePartitionOperations_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListInstancePartitionOperationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).ListInstancePartitionOperations(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/ListInstancePartitionOperations",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).ListInstancePartitionOperations(ctx, req.(*ListInstancePartitionOperationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _InstanceAdmin_MoveInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MoveInstanceRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(InstanceAdminServer).MoveInstance(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/google.spanner.admin.instance.v1.InstanceAdmin/MoveInstance",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(InstanceAdminServer).MoveInstance(ctx, req.(*MoveInstanceRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _InstanceAdmin_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "google.spanner.admin.instance.v1.InstanceAdmin",
+	HandlerType: (*InstanceAdminServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "ListInstanceConfigs",
+			Handler:    _InstanceAdmin_ListInstanceConfigs_Handler,
+		},
+		{
+			MethodName: "GetInstanceConfig",
+			Handler:    _InstanceAdmin_GetInstanceConfig_Handler,
+		},
+		{
+			MethodName: "CreateInstanceConfig",
+			Handler:    _InstanceAdmin_CreateInstanceConfig_Handler,
+		},
+		{
+			MethodName: "UpdateInstanceConfig",
+			Handler:    _InstanceAdmin_UpdateInstanceConfig_Handler,
+		},
+		{
+			MethodName: "DeleteInstanceConfig",
+			Handler:    _InstanceAdmin_DeleteInstanceConfig_Handler,
+		},
+		{
+			MethodName: "ListInstanceConfigOperations",
+			Handler:    _InstanceAdmin_ListInstanceConfigOperations_Handler,
+		},
+		{
+			MethodName: "ListInstances",
+			Handler:    _InstanceAdmin_ListInstances_Handler,
+		},
+		{
+			MethodName: "ListInstancePartitions",
+			Handler:    _InstanceAdmin_ListInstancePartitions_Handler,
+		},
+		{
+			MethodName: "GetInstance",
+			Handler:    _InstanceAdmin_GetInstance_Handler,
+		},
+		{
+			MethodName: "CreateInstance",
+			Handler:    _InstanceAdmin_CreateInstance_Handler,
+		},
+		{
+			MethodName: "UpdateInstance",
+			Handler:    _InstanceAdmin_UpdateInstance_Handler,
+		},
+		{
+			MethodName: "DeleteInstance",
+			Handler:    _InstanceAdmin_DeleteInstance_Handler,
+		},
+		{
+			MethodName: "SetIamPolicy",
+			Handler:    _InstanceAdmin_SetIamPolicy_Handler,
+		},
+		{
+			MethodName: "GetIamPolicy",
+			Handler:    _InstanceAdmin_GetIamPolicy_Handler,
+		},
+		{
+			MethodName: "TestIamPermissions",
+			Handler:    _InstanceAdmin_TestIamPermissions_Handler,
+		},
+		{
+			MethodName: "GetInstancePartition",
+			Handler:    _InstanceAdmin_GetInstancePartition_Handler,
+		},
+		{
+			MethodName: "CreateInstancePartition",
+			Handler:    _InstanceAdmin_CreateInstancePartition_Handler,
+		},
+		{
+			MethodName: "DeleteInstancePartition",
+			Handler:    _InstanceAdmin_DeleteInstancePartition_Handler,
+		},
+		{
+			MethodName: "UpdateInstancePartition",
+			Handler:    _InstanceAdmin_UpdateInstancePartition_Handler,
+		},
+		{
+			MethodName: "ListInstancePartitionOperations",
+			Handler:    _InstanceAdmin_ListInstancePartitionOperations_Handler,
+		},
+		{
+			MethodName: "MoveInstance",
+			Handler:    _InstanceAdmin_MoveInstance_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "google/spanner/admin/instance/v1/spanner_instance_admin.proto",
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/path_funcs.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/path_funcs.go
new file mode 100644
index 000000000..92c5c053c
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/path_funcs.go
@@ -0,0 +1,61 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package instance
+
+// InstanceAdminProjectPath returns the path for the project resource.
+//
+// Deprecated: Use
+//
+//	fmt.Sprintf("projects/%s", project)
+//
+// instead.
+func InstanceAdminProjectPath(project string) string {
+	return "" +
+		"projects/" +
+		project +
+		""
+}
+
+// InstanceAdminInstanceConfigPath returns the path for the instance config resource.
+//
+// Deprecated: Use
+//
+//	fmt.Sprintf("projects/%s/instanceConfigs/%s", project, instanceConfig)
+//
+// instead.
+func InstanceAdminInstanceConfigPath(project, instanceConfig string) string {
+	return "" +
+		"projects/" +
+		project +
+		"/instanceConfigs/" +
+		instanceConfig +
+		""
+}
+
+// InstanceAdminInstancePath returns the path for the instance resource.
+//
+// Deprecated: Use
+//
+//	fmt.Sprintf("projects/%s/instances/%s", project, instance)
+//
+// instead.
+func InstanceAdminInstancePath(project, instance string) string {
+	return "" +
+		"projects/" +
+		project +
+		"/instances/" +
+		instance +
+		""
+}
diff --git a/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/version.go b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/version.go
new file mode 100644
index 000000000..0eaf4377d
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/admin/instance/apiv1/version.go
@@ -0,0 +1,23 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by gapicgen. DO NOT EDIT.
+
+package instance
+
+import "cloud.google.com/go/spanner/internal"
+
+func init() {
+	versionClient = internal.Version
+}
diff --git a/vendor/cloud.google.com/go/spanner/spansql/fuzz.go b/vendor/cloud.google.com/go/spanner/spansql/fuzz.go
new file mode 100644
index 000000000..3621209f1
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/spansql/fuzz.go
@@ -0,0 +1,29 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build gofuzz
+// +build gofuzz
+
+package spansql
+
+func FuzzParseQuery(data []byte) int {
+	if _, err := ParseQuery(string(data)); err != nil {
+		// The value 0 signals data is an invalid query that should be
+		// added to the corpus.
+		return 0
+	}
+	// The value 1 signals the input was lexically corrent and the
+	// fuzzer should increase the priority of the given input.
+	return 1
+}
diff --git a/vendor/cloud.google.com/go/spanner/spansql/keywords.go b/vendor/cloud.google.com/go/spanner/spansql/keywords.go
new file mode 100644
index 000000000..6515a41e5
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/spansql/keywords.go
@@ -0,0 +1,322 @@
+/*
+Copyright 2020 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package spansql
+
+import (
+	"strings"
+)
+
+// IsKeyword reports whether the identifier is a reserved keyword.
+func IsKeyword(id string) bool {
+	return keywords[strings.ToUpper(id)]
+}
+
+// keywords is the set of reserved keywords.
+// https://cloud.google.com/spanner/docs/lexical#reserved-keywords
+var keywords = map[string]bool{
+	"ALL":                  true,
+	"AND":                  true,
+	"ANY":                  true,
+	"ARRAY":                true,
+	"AS":                   true,
+	"ASC":                  true,
+	"ASSERT_ROWS_MODIFIED": true,
+	"AT":                   true,
+	"BETWEEN":              true,
+	"BY":                   true,
+	"CASE":                 true,
+	"CAST":                 true,
+	"COLLATE":              true,
+	"CONTAINS":             true,
+	"CREATE":               true,
+	"CROSS":                true,
+	"CUBE":                 true,
+	"CURRENT":              true,
+	"DEFAULT":              true,
+	"DEFINE":               true,
+	"DESC":                 true,
+	"DISTINCT":             true,
+	"ELSE":                 true,
+	"END":                  true,
+	"ENUM":                 true,
+	"ESCAPE":               true,
+	"EXCEPT":               true,
+	"EXCLUDE":              true,
+	"EXISTS":               true,
+	"EXTRACT":              true,
+	"FALSE":                true,
+	"FETCH":                true,
+	"FOLLOWING":            true,
+	"FOR":                  true,
+	"FROM":                 true,
+	"FULL":                 true,
+	"GROUP":                true,
+	"GROUPING":             true,
+	"GROUPS":               true,
+	"HASH":                 true,
+	"HAVING":               true,
+	"IF":                   true,
+	"IGNORE":               true,
+	"IN":                   true,
+	"INNER":                true,
+	"INTERSECT":            true,
+	"INTERVAL":             true,
+	"INTO":                 true,
+	"IS":                   true,
+	"JOIN":                 true,
+	"LATERAL":              true,
+	"LEFT":                 true,
+	"LIKE":                 true,
+	"LIMIT":                true,
+	"LOOKUP":               true,
+	"MERGE":                true,
+	"NATURAL":              true,
+	"NEW":                  true,
+	"NO":                   true,
+	"NOT":                  true,
+	"NULL":                 true,
+	"NULLS":                true,
+	"OF":                   true,
+	"ON":                   true,
+	"OR":                   true,
+	"ORDER":                true,
+	"OUTER":                true,
+	"OVER":                 true,
+	"PARTITION":            true,
+	"PRECEDING":            true,
+	"PROTO":                true,
+	"RANGE":                true,
+	"RECURSIVE":            true,
+	"RESPECT":              true,
+	"RIGHT":                true,
+	"ROLLUP":               true,
+	"ROWS":                 true,
+	"SELECT":               true,
+	"SET":                  true,
+	"SOME":                 true,
+	"STRUCT":               true,
+	"TABLESAMPLE":          true,
+	"THEN":                 true,
+	"TO":                   true,
+	"TREAT":                true,
+	"TRUE":                 true,
+	"UNBOUNDED":            true,
+	"UNION":                true,
+	"UNNEST":               true,
+	"USING":                true,
+	"WHEN":                 true,
+	"WHERE":                true,
+	"WINDOW":               true,
+	"WITH":                 true,
+	"WITHIN":               true,
+}
+
+// funcs is the set of reserved keywords that are functions.
+// https://cloud.google.com/spanner/docs/functions-and-operators
+var funcs = make(map[string]bool)
+var funcArgParsers = make(map[string]func(*parser) (Expr, *parseError))
+var aggregateFuncs = make(map[string]bool)
+
+func init() {
+	for _, f := range funcNames {
+		funcs[f] = true
+	}
+	for _, f := range aggregateFuncNames {
+		funcs[f] = true
+		aggregateFuncs[f] = true
+	}
+	// Special case for CAST, SAFE_CAST and EXTRACT
+	funcArgParsers["CAST"] = typedArgParser
+	funcArgParsers["SAFE_CAST"] = typedArgParser
+	funcArgParsers["EXTRACT"] = extractArgParser
+	// Spacial case of INTERVAL arg for DATE_ADD, DATE_SUB, GENERATE_DATE_ARRAY
+	funcArgParsers["DATE_ADD"] = dateIntervalArgParser
+	funcArgParsers["DATE_SUB"] = dateIntervalArgParser
+	funcArgParsers["GENERATE_DATE_ARRAY"] = dateIntervalArgParser
+	// Spacial case of INTERVAL arg for TIMESTAMP_ADD, TIMESTAMP_SUB
+	funcArgParsers["TIMESTAMP_ADD"] = timestampIntervalArgParser
+	funcArgParsers["TIMESTAMP_SUB"] = timestampIntervalArgParser
+	// Special case of SEQUENCE arg for GET_NEXT_SEQUENCE_VALUE, GET_INTERNAL_SEQUENCE_STATE
+	funcArgParsers["GET_NEXT_SEQUENCE_VALUE"] = sequenceArgParser
+	funcArgParsers["GET_INTERNAL_SEQUENCE_STATE"] = sequenceArgParser
+}
+
+var funcNames = []string{
+	// TODO: many more
+
+	// Cast functions.
+	"CAST",
+	"SAFE_CAST",
+
+	// Mathematical functions.
+	"ABS",
+	"ACOS",
+	"ACOSH",
+	"ASIN",
+	"ASINH",
+	"ATAN",
+	"ATAN2",
+	"ATANH",
+	"CEIL",
+	"CEILING",
+	"COS",
+	"COSH",
+	"DIV",
+	"EXP",
+	"FLOOR",
+	"GREATEST",
+	"IEEE_DIVIDE",
+	"IS_INF",
+	"IS_NAN",
+	"LEAST",
+	"LN",
+	"LOG",
+	"LOG10",
+	"MOD",
+	"POW",
+	"POWER",
+	"ROUND",
+	"SAFE_ADD",
+	"SAFE_DIVIDE",
+	"SAFE_MULTIPLY",
+	"SAFE_NEGATE",
+	"SAFE_SUBTRACT",
+	"SIGN",
+	"SIN",
+	"SINH",
+	"SQRT",
+	"TAN",
+	"TANH",
+	"TRUNC",
+
+	// Hash functions.
+	"FARM_FINGERPRINT",
+	"SHA1",
+	"SHA256", "SHA512",
+
+	// String functions.
+	"BYTE_LENGTH", "CHAR_LENGTH", "CHARACTER_LENGTH",
+	"CODE_POINTS_TO_BYTES", "CODE_POINTS_TO_STRING",
+	"CONCAT",
+	"ENDS_WITH",
+	"FORMAT",
+	"FROM_BASE32", "FROM_BASE64", "FROM_HEX",
+	"LENGTH",
+	"LOWER",
+	"LPAD",
+	"LTRIM",
+	"REGEXP_CONTAINS", "REGEXP_EXTRACT", "REGEXP_EXTRACT_ALL", "REGEXP_REPLACE",
+	"REPEAT",
+	"REPLACE",
+	"REVERSE",
+	"RPAD",
+	"RTRIM",
+	"SAFE_CONVERT_BYTES_TO_STRING",
+	"SPLIT",
+	"STARTS_WITH",
+	"STRPOS",
+	"SUBSTR",
+	"TO_BASE32", "TO_BASE64", "TO_CODE_POINTS", "TO_HEX",
+	"TRIM",
+	"UPPER",
+
+	// Array functions.
+	"ARRAY",
+	"ARRAY_CONCAT",
+	"ARRAY_FIRST", "ARRAY_INCLUDES", "ARRAY_INCLUDES_ALL", "ARRAY_INCLUDES_ANY", "ARRAY_LAST",
+	"ARRAY_LENGTH",
+	"ARRAY_MAX", "ARRAY_MIN", "ARRAY_REVERSE", "ARRAY_SLICE", "ARRAY_TRANSFORM",
+	"ARRAY_TO_STRING",
+	"GENERATE_ARRAY", "GENERATE_DATE_ARRAY",
+	"OFFSET", "ORDINAL",
+	"ARRAY_REVERSE",
+	"ARRAY_IS_DISTINCT",
+	"SAFE_OFFSET", "SAFE_ORDINAL",
+
+	// Date functions.
+	"CURRENT_DATE",
+	"EXTRACT",
+	"DATE",
+	"DATE_ADD",
+	"DATE_SUB",
+	"DATE_DIFF",
+	"DATE_TRUNC",
+	"DATE_FROM_UNIX_DATE",
+	"FORMAT_DATE",
+	"PARSE_DATE",
+	"UNIX_DATE",
+
+	// Timestamp functions.
+	"CURRENT_TIMESTAMP",
+	"STRING",
+	"TIMESTAMP",
+	"TIMESTAMP_ADD",
+	"TIMESTAMP_SUB",
+	"TIMESTAMP_DIFF",
+	"TIMESTAMP_TRUNC",
+	"FORMAT_TIMESTAMP",
+	"PARSE_TIMESTAMP",
+	"TIMESTAMP_SECONDS",
+	"TIMESTAMP_MILLIS",
+	"TIMESTAMP_MICROS",
+	"UNIX_SECONDS",
+	"UNIX_MILLIS",
+	"UNIX_MICROS",
+	"PENDING_COMMIT_TIMESTAMP",
+
+	// JSON functions.
+	"JSON_QUERY",
+	"JSON_VALUE",
+	"JSON_QUERY_ARRAY",
+	"JSON_VALUE_ARRAY",
+
+	// Bit functions.
+	"BIT_COUNT",
+	"BIT_REVERSE",
+
+	// Sequence functions.
+	"GET_NEXT_SEQUENCE_VALUE",
+	"GET_INTERNAL_SEQUENCE_STATE",
+
+	// Utility functions.
+	"GENERATE_UUID",
+}
+
+var aggregateFuncNames = []string{
+	// Aggregate functions.
+	"ANY_VALUE",
+	"ARRAY_AGG",
+	"ARRAY_CONCAT_AGG",
+	"AVG",
+	"BIT_AND",
+	"BIT_OR",
+	"BIT_XOR",
+	"COUNT",
+	"COUNTIF",
+	"LOGICAL_AND",
+	"LOGICAL_OR",
+	"MAX",
+	"MIN",
+	"STRING_AGG",
+	"SUM",
+
+	// Statistical aggregate functions.
+	"STDDEV",
+	"STDDEV_SAMP",
+	"VAR_SAMP",
+	"VARIANCE",
+}
diff --git a/vendor/cloud.google.com/go/spanner/spansql/parser.go b/vendor/cloud.google.com/go/spanner/spansql/parser.go
new file mode 100644
index 000000000..982b6d1d5
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/spansql/parser.go
@@ -0,0 +1,4696 @@
+/*
+Copyright 2019 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Package spansql contains types and a parser for the Cloud Spanner SQL dialect.
+
+To parse, use one of the Parse functions (ParseDDL, ParseDDLStmt, ParseQuery, etc.).
+
+Sources:
+
+	https://cloud.google.com/spanner/docs/lexical
+	https://cloud.google.com/spanner/docs/query-syntax
+	https://cloud.google.com/spanner/docs/data-definition-language
+*/
+package spansql
+
+/*
+This file is structured as follows:
+
+- There are several exported ParseFoo functions that accept an input string
+  and return a type defined in types.go. This is the principal API of this package.
+  These functions are implemented as wrappers around the lower-level functions,
+  with additional checks to ensure things such as input exhaustion.
+- The token and parser types are defined. These constitute the lexical token
+  and parser machinery. parser.next is the main way that other functions get
+  the next token, with parser.back providing a single token rewind, and
+  parser.sniff, parser.eat and parser.expect providing lookahead helpers.
+- The parseFoo methods are defined, matching the SQL grammar. Each consumes its
+  namesake production from the parser. There are also some fooParser helper vars
+  defined that abbreviate the parsing of some of the regular productions.
+*/
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"cloud.google.com/go/civil"
+)
+
+const debug = false
+
+func debugf(format string, args ...interface{}) {
+	if !debug {
+		return
+	}
+	fmt.Fprintf(os.Stderr, "spansql debug: "+format+"\n", args...)
+}
+
+// ParseDDL parses a DDL file.
+//
+// The provided filename is used for error reporting and will
+// appear in the returned structure.
+func ParseDDL(filename, s string) (*DDL, error) {
+	ddl := &DDL{}
+	if err := parseStatements(ddl, filename, s); err != nil {
+		return nil, err
+	}
+
+	return ddl, nil
+}
+
+// ParseDML parses a DML file.
+//
+// The provided filename is used for error reporting and will
+// appear in the returned structure.
+func ParseDML(filename, s string) (*DML, error) {
+	dml := &DML{}
+	if err := parseStatements(dml, filename, s); err != nil {
+		return nil, err
+	}
+
+	return dml, nil
+}
+
+func parseStatements(stmts statements, filename string, s string) error {
+	p := newParser(filename, s)
+
+	stmts.setFilename(filename)
+
+	for {
+		p.skipSpace()
+		if p.done {
+			break
+		}
+
+		switch v := stmts.(type) {
+		case *DDL:
+			stmt, err := p.parseDDLStmt()
+			if err != nil {
+				return err
+			}
+			v.List = append(v.List, stmt)
+		case *DML:
+			stmt, err := p.parseDMLStmt()
+			if err != nil {
+				return err
+			}
+			v.List = append(v.List, stmt)
+		}
+
+		tok := p.next()
+		if tok.err == eof {
+			break
+		} else if tok.err != nil {
+			return tok.err
+		}
+		if tok.value == ";" {
+			continue
+		} else {
+			return p.errorf("unexpected token %q", tok.value)
+		}
+	}
+	if p.Rem() != "" {
+		return fmt.Errorf("unexpected trailing contents %q", p.Rem())
+	}
+
+	// Handle comments.
+	for _, com := range p.comments {
+		c := &Comment{
+			Marker:   com.marker,
+			Isolated: com.isolated,
+			Start:    com.start,
+			End:      com.end,
+			Text:     com.text,
+		}
+
+		// Strip common whitespace prefix and any whitespace suffix.
+		// TODO: This is a bodgy implementation of Longest Common Prefix,
+		// and also doesn't do tabs vs. spaces well.
+		var prefix string
+		for i, line := range c.Text {
+			line = strings.TrimRight(line, " \b\t")
+			c.Text[i] = line
+			trim := len(line) - len(strings.TrimLeft(line, " \b\t"))
+			if i == 0 {
+				prefix = line[:trim]
+			} else {
+				// Check how much of prefix is in common.
+				for !strings.HasPrefix(line, prefix) {
+					prefix = prefix[:len(prefix)-1]
+				}
+			}
+			if prefix == "" {
+				break
+			}
+		}
+		if prefix != "" {
+			for i, line := range c.Text {
+				c.Text[i] = strings.TrimPrefix(line, prefix)
+			}
+		}
+
+		stmts.addComment(c)
+	}
+
+	return nil
+}
+
+// ParseDDLStmt parses a single DDL statement.
+func ParseDDLStmt(s string) (DDLStmt, error) {
+	p := newParser("-", s)
+	stmt, err := p.parseDDLStmt()
+	if err != nil {
+		return nil, err
+	}
+	if p.Rem() != "" {
+		return nil, fmt.Errorf("unexpected trailing contents %q", p.Rem())
+	}
+	return stmt, nil
+}
+
+// ParseDMLStmt parses a single DML statement.
+func ParseDMLStmt(s string) (DMLStmt, error) {
+	p := newParser("-", s)
+	stmt, err := p.parseDMLStmt()
+	if err != nil {
+		return nil, err
+	}
+	if p.Rem() != "" {
+		return nil, fmt.Errorf("unexpected trailing contents %q", p.Rem())
+	}
+	return stmt, nil
+}
+
+// ParseQuery parses a query string.
+func ParseQuery(s string) (Query, error) {
+	p := newParser("-", s)
+	q, err := p.parseQuery()
+	if err != nil {
+		return Query{}, err
+	}
+	if p.Rem() != "" {
+		return Query{}, fmt.Errorf("unexpected trailing query contents %q", p.Rem())
+	}
+	return q, nil
+}
+
+type token struct {
+	value        string
+	err          *parseError
+	line, offset int
+
+	typ     tokenType
+	float64 float64
+	string  string // unquoted form for stringToken/bytesToken/quotedID
+
+	// int64Token is parsed as a number only when it is known to be a literal.
+	// This permits correct handling of operators preceding such a token,
+	// which cannot be identified as part of the int64 until later.
+	int64Base int
+}
+
+type tokenType int
+
+const (
+	unknownToken tokenType = iota
+	int64Token
+	float64Token
+	stringToken
+	bytesToken
+	unquotedID
+	quotedID
+)
+
+func (t *token) String() string {
+	if t.err != nil {
+		return fmt.Sprintf("parse error: %v", t.err)
+	}
+	return strconv.Quote(t.value)
+}
+
+type parseError struct {
+	message  string
+	filename string
+	line     int // 1-based line number
+	offset   int // 0-based byte offset from start of input
+}
+
+func (pe *parseError) Error() string {
+	if pe == nil {
+		return "<nil>"
+	}
+	if pe.line == 1 {
+		return fmt.Sprintf("%s:1.%d: %v", pe.filename, pe.offset, pe.message)
+	}
+	return fmt.Sprintf("%s:%d: %v", pe.filename, pe.line, pe.message)
+}
+
+var eof = &parseError{message: "EOF"}
+
+type parser struct {
+	s      string // Remaining input.
+	done   bool   // Whether the parsing is finished (success or error).
+	backed bool   // Whether back() was called.
+	cur    token
+
+	filename     string
+	line, offset int // updated by places that shrink s
+
+	comments []comment // accumulated during parse
+}
+
+type comment struct {
+	marker     string // "#" or "--" or "/*"
+	isolated   bool   // if it starts on its own line
+	start, end Position
+	text       []string
+}
+
+// Pos reports the position of the current token.
+func (p *parser) Pos() Position { return Position{Line: p.cur.line, Offset: p.cur.offset} }
+
+func newParser(filename, s string) *parser {
+	return &parser{
+		s: s,
+
+		cur: token{line: 1},
+
+		filename: filename,
+		line:     1,
+	}
+}
+
+// Rem returns the unparsed remainder, ignoring space.
+func (p *parser) Rem() string {
+	rem := p.s
+	if p.backed {
+		rem = p.cur.value + rem
+	}
+	i := 0
+	for ; i < len(rem); i++ {
+		if !isSpace(rem[i]) {
+			break
+		}
+	}
+	return rem[i:]
+}
+
+func (p *parser) String() string {
+	if p.backed {
+		return fmt.Sprintf("next tok: %s (rem: %q)", &p.cur, p.s)
+	}
+	return fmt.Sprintf("rem: %q", p.s)
+}
+
+func (p *parser) errorf(format string, args ...interface{}) *parseError {
+	pe := &parseError{
+		message:  fmt.Sprintf(format, args...),
+		filename: p.filename,
+		line:     p.cur.line,
+		offset:   p.cur.offset,
+	}
+	p.cur.err = pe
+	p.done = true
+	return pe
+}
+
+func isInitialIdentifierChar(c byte) bool {
+	// https://cloud.google.com/spanner/docs/lexical#identifiers
+	switch {
+	case 'A' <= c && c <= 'Z':
+		return true
+	case 'a' <= c && c <= 'z':
+		return true
+	case c == '_':
+		return true
+	}
+	return false
+}
+
+func isIdentifierChar(c byte) bool {
+	// https://cloud.google.com/spanner/docs/lexical#identifiers
+	// This doesn't apply the restriction that an identifier cannot start with [0-9],
+	// nor does it check against reserved keywords.
+	switch {
+	case 'A' <= c && c <= 'Z':
+		return true
+	case 'a' <= c && c <= 'z':
+		return true
+	case '0' <= c && c <= '9':
+		return true
+	case c == '_':
+		return true
+	}
+	return false
+}
+
+func isHexDigit(c byte) bool {
+	return '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F'
+}
+
+func isOctalDigit(c byte) bool {
+	return '0' <= c && c <= '7'
+}
+
+func (p *parser) consumeNumber() {
+	/*
+		int64_value:
+			{ decimal_value | hex_value }
+
+		decimal_value:
+			[-]0—9+
+
+		hex_value:
+			[-]0[xX]{0—9|a—f|A—F}+
+
+		(float64_value is not formally specified)
+
+		float64_value :=
+			  [+-]DIGITS.[DIGITS][e[+-]DIGITS]
+			| [DIGITS].DIGITS[e[+-]DIGITS]
+			| DIGITSe[+-]DIGITS
+	*/
+
+	i, neg, base := 0, false, 10
+	float, e, dot := false, false, false
+	if p.s[i] == '-' {
+		neg = true
+		i++
+	} else if p.s[i] == '+' {
+		// This isn't in the formal grammar, but is mentioned informally.
+		// https://cloud.google.com/spanner/docs/lexical#integer-literals
+		i++
+	}
+	if strings.HasPrefix(p.s[i:], "0x") || strings.HasPrefix(p.s[i:], "0X") {
+		base = 16
+		i += 2
+	}
+	d0 := i
+digitLoop:
+	for i < len(p.s) {
+		switch c := p.s[i]; {
+		case '0' <= c && c <= '9':
+			i++
+		case base == 16 && 'A' <= c && c <= 'F':
+			i++
+		case base == 16 && 'a' <= c && c <= 'f':
+			i++
+		case base == 10 && (c == 'e' || c == 'E'):
+			if e {
+				p.errorf("bad token %q", p.s[:i])
+				return
+			}
+			// Switch to consuming float.
+			float, e = true, true
+			i++
+
+			if i < len(p.s) && (p.s[i] == '+' || p.s[i] == '-') {
+				i++
+			}
+		case base == 10 && c == '.':
+			if dot || e { // any dot must come before E
+				p.errorf("bad token %q", p.s[:i])
+				return
+			}
+			// Switch to consuming float.
+			float, dot = true, true
+			i++
+		default:
+			break digitLoop
+		}
+	}
+	if d0 == i {
+		p.errorf("no digits in numeric literal")
+		return
+	}
+	sign := ""
+	if neg {
+		sign = "-"
+	}
+	p.cur.value, p.s = p.s[:i], p.s[i:]
+	p.offset += i
+	var err error
+	if float {
+		p.cur.typ = float64Token
+		p.cur.float64, err = strconv.ParseFloat(sign+p.cur.value[d0:], 64)
+	} else {
+		p.cur.typ = int64Token
+		p.cur.value = sign + p.cur.value[d0:]
+		p.cur.int64Base = base
+		// This is parsed on demand.
+	}
+	if err != nil {
+		p.errorf("bad numeric literal %q: %v", p.cur.value, err)
+	}
+}
+
+func (p *parser) consumeString() {
+	// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+
+	delim := p.stringDelimiter()
+	if p.cur.err != nil {
+		return
+	}
+
+	p.cur.string, p.cur.err = p.consumeStringContent(delim, false, true, "string literal")
+	p.cur.typ = stringToken
+}
+
+func (p *parser) consumeRawString() {
+	// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+
+	p.s = p.s[1:] // consume 'R'
+	delim := p.stringDelimiter()
+	if p.cur.err != nil {
+		return
+	}
+
+	p.cur.string, p.cur.err = p.consumeStringContent(delim, true, true, "raw string literal")
+	p.cur.typ = stringToken
+}
+
+func (p *parser) consumeBytes() {
+	// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+
+	p.s = p.s[1:] // consume 'B'
+	delim := p.stringDelimiter()
+	if p.cur.err != nil {
+		return
+	}
+
+	p.cur.string, p.cur.err = p.consumeStringContent(delim, false, false, "bytes literal")
+	p.cur.typ = bytesToken
+}
+
+func (p *parser) consumeRawBytes() {
+	// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+
+	p.s = p.s[2:] // consume 'RB'
+	delim := p.stringDelimiter()
+	if p.cur.err != nil {
+		return
+	}
+
+	p.cur.string, p.cur.err = p.consumeStringContent(delim, true, false, "raw bytes literal")
+	p.cur.typ = bytesToken
+}
+
+// stringDelimiter returns the opening string delimiter.
+func (p *parser) stringDelimiter() string {
+	c := p.s[0]
+	if c != '"' && c != '\'' {
+		p.errorf("invalid string literal")
+		return ""
+	}
+	// Look for triple.
+	if len(p.s) >= 3 && p.s[1] == c && p.s[2] == c {
+		return p.s[:3]
+	}
+	return p.s[:1]
+}
+
+// consumeStringContent consumes a string-like literal, including its delimiters.
+//
+//   - delim is the opening/closing delimiter.
+//   - raw is true if consuming a raw string.
+//   - unicode is true if unicode escape sequence (\uXXXX or \UXXXXXXXX) are permitted.
+//   - name identifies the name of the consuming token.
+//
+// It is designed for consuming string, bytes literals, and also backquoted identifiers.
+func (p *parser) consumeStringContent(delim string, raw, unicode bool, name string) (string, *parseError) {
+	// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+
+	if len(delim) == 3 {
+		name = "triple-quoted " + name
+	}
+
+	i := len(delim)
+	var content []byte
+
+	for i < len(p.s) {
+		if strings.HasPrefix(p.s[i:], delim) {
+			i += len(delim)
+			p.s = p.s[i:]
+			p.offset += i
+			return string(content), nil
+		}
+
+		if p.s[i] == '\\' {
+			i++
+			if i >= len(p.s) {
+				return "", p.errorf("unclosed %s", name)
+			}
+
+			if raw {
+				content = append(content, '\\', p.s[i])
+				i++
+				continue
+			}
+
+			switch p.s[i] {
+			case 'a':
+				i++
+				content = append(content, '\a')
+			case 'b':
+				i++
+				content = append(content, '\b')
+			case 'f':
+				i++
+				content = append(content, '\f')
+			case 'n':
+				i++
+				content = append(content, '\n')
+			case 'r':
+				i++
+				content = append(content, '\r')
+			case 't':
+				i++
+				content = append(content, '\t')
+			case 'v':
+				i++
+				content = append(content, '\v')
+			case '\\':
+				i++
+				content = append(content, '\\')
+			case '?':
+				i++
+				content = append(content, '?')
+			case '"':
+				i++
+				content = append(content, '"')
+			case '\'':
+				i++
+				content = append(content, '\'')
+			case '`':
+				i++
+				content = append(content, '`')
+			case 'x', 'X':
+				i++
+				if !(i+1 < len(p.s) && isHexDigit(p.s[i]) && isHexDigit(p.s[i+1])) {
+					return "", p.errorf("illegal escape sequence: hex escape sequence must be followed by 2 hex digits")
+				}
+				c, err := strconv.ParseUint(p.s[i:i+2], 16, 8)
+				if err != nil {
+					return "", p.errorf("illegal escape sequence: invalid hex digits: %q: %v", p.s[i:i+2], err)
+				}
+				content = append(content, byte(c))
+				i += 2
+			case 'u', 'U':
+				t := p.s[i]
+				if !unicode {
+					return "", p.errorf("illegal escape sequence: \\%c", t)
+				}
+
+				i++
+				size := 4
+				if t == 'U' {
+					size = 8
+				}
+				if i+size-1 >= len(p.s) {
+					return "", p.errorf("illegal escape sequence: \\%c escape sequence must be followed by %d hex digits", t, size)
+				}
+				for j := 0; j < size; j++ {
+					if !isHexDigit(p.s[i+j]) {
+						return "", p.errorf("illegal escape sequence: \\%c escape sequence must be followed by %d hex digits", t, size)
+					}
+				}
+				c, err := strconv.ParseUint(p.s[i:i+size], 16, 64)
+				if err != nil {
+					return "", p.errorf("illegal escape sequence: invalid \\%c digits: %q: %v", t, p.s[i:i+size], err)
+				}
+				if 0xD800 <= c && c <= 0xDFFF || 0x10FFFF < c {
+					return "", p.errorf("illegal escape sequence: invalid codepoint: %x", c)
+				}
+				var buf [utf8.UTFMax]byte
+				n := utf8.EncodeRune(buf[:], rune(c))
+				content = append(content, buf[:n]...)
+				i += size
+			case '0', '1', '2', '3', '4', '5', '6', '7':
+				if !(i+2 < len(p.s) && isOctalDigit(p.s[i+1]) && isOctalDigit(p.s[i+2])) {
+					return "", p.errorf("illegal escape sequence: octal escape sequence must be followed by 3 octal digits")
+				}
+				c, err := strconv.ParseUint(p.s[i:i+3], 8, 64)
+				if err != nil {
+					return "", p.errorf("illegal escape sequence: invalid octal digits: %q: %v", p.s[i:i+3], err)
+				}
+				if c >= 256 {
+					return "", p.errorf("illegal escape sequence: octal digits overflow: %q (%d)", p.s[i:i+3], c)
+				}
+				content = append(content, byte(c))
+				i += 3
+			default:
+				return "", p.errorf("illegal escape sequence: \\%c", p.s[i])
+			}
+
+			continue
+		}
+
+		if p.s[i] == '\n' {
+			if len(delim) != 3 { // newline is only allowed inside triple-quoted.
+				return "", p.errorf("newline forbidden in %s", name)
+			}
+			p.line++
+		}
+
+		content = append(content, p.s[i])
+		i++
+	}
+
+	return "", p.errorf("unclosed %s", name)
+}
+
+var operators = map[string]bool{
+	// Arithmetic operators.
+	"-":  true, // both unary and binary
+	"~":  true,
+	"*":  true,
+	"/":  true,
+	"||": true,
+	"+":  true,
+	"<<": true,
+	">>": true,
+	"&":  true,
+	"^":  true,
+	"|":  true,
+
+	// Comparison operators.
+	"<":  true,
+	"<=": true,
+	">":  true,
+	">=": true,
+	"=":  true,
+	"!=": true,
+	"<>": true,
+}
+
+func isSpace(c byte) bool {
+	// Per https://cloud.google.com/spanner/docs/lexical, informally,
+	// whitespace is defined as "space, backspace, tab, newline".
+	switch c {
+	case ' ', '\b', '\t', '\n':
+		return true
+	}
+	return false
+}
+
+// skipSpace skips past any space or comments.
+func (p *parser) skipSpace() bool {
+	initLine := p.line
+	// If we start capturing a comment in this method,
+	// this is set to its comment value. Multi-line comments
+	// are only joined during a single skipSpace invocation.
+	var com *comment
+
+	i := 0
+	for i < len(p.s) {
+		if isSpace(p.s[i]) {
+			if p.s[i] == '\n' {
+				p.line++
+			}
+			i++
+			continue
+		}
+		// Comments.
+		marker, term := "", ""
+		if p.s[i] == '#' {
+			marker, term = "#", "\n"
+		} else if i+1 < len(p.s) && p.s[i] == '-' && p.s[i+1] == '-' {
+			marker, term = "--", "\n"
+		} else if i+1 < len(p.s) && p.s[i] == '/' && p.s[i+1] == '*' {
+			marker, term = "/*", "*/"
+		}
+		if term == "" {
+			break
+		}
+		// Search for the terminator, starting after the marker.
+		ti := strings.Index(p.s[i+len(marker):], term)
+		if ti < 0 {
+			p.errorf("unterminated comment")
+			return false
+		}
+		ti += len(marker) // make ti relative to p.s[i:]
+		if com != nil && (com.end.Line+1 < p.line || com.marker != marker) {
+			// There's a previous comment, but there's an
+			// intervening blank line, or the marker changed.
+			// Terminate the previous comment.
+			com = nil
+		}
+		if com == nil {
+			// New comment.
+			p.comments = append(p.comments, comment{
+				marker:   marker,
+				isolated: (p.line != initLine) || p.line == 1,
+				start: Position{
+					Line:   p.line,
+					Offset: p.offset + i,
+				},
+			})
+			com = &p.comments[len(p.comments)-1]
+		}
+		textLines := strings.Split(p.s[i+len(marker):i+ti], "\n")
+		com.text = append(com.text, textLines...)
+		com.end = Position{
+			Line:   p.line + len(textLines) - 1,
+			Offset: p.offset + i + ti,
+		}
+		p.line = com.end.Line
+		if term == "\n" {
+			p.line++
+		}
+		i += ti + len(term)
+
+		// A non-isolated comment is always complete and doesn't get
+		// combined with any future comment.
+		if !com.isolated {
+			com = nil
+		}
+	}
+	p.s = p.s[i:]
+	p.offset += i
+	if p.s == "" {
+		p.done = true
+	}
+	return i > 0
+}
+
+// advance moves the parser to the next token, which will be available in p.cur.
+func (p *parser) advance() {
+	prevID := p.cur.typ == quotedID || p.cur.typ == unquotedID
+
+	p.skipSpace()
+	if p.done {
+		return
+	}
+
+	// If the previous token was an identifier (quoted or unquoted),
+	// the next token being a dot means this is a path expression (not a number).
+	if prevID && p.s[0] == '.' {
+		p.cur.err = nil
+		p.cur.line, p.cur.offset = p.line, p.offset
+		p.cur.typ = unknownToken
+		p.cur.value, p.s = p.s[:1], p.s[1:]
+		p.offset++
+		return
+	}
+
+	p.cur.err = nil
+	p.cur.line, p.cur.offset = p.line, p.offset
+	p.cur.typ = unknownToken
+	// TODO: struct literals
+	switch p.s[0] {
+	case ',', ';', '(', ')', '{', '}', '[', ']', '*', '+', '-':
+		// Single character symbol.
+		p.cur.value, p.s = p.s[:1], p.s[1:]
+		p.offset++
+		return
+	// String literal prefix.
+	case 'B', 'b', 'R', 'r', '"', '\'':
+		// "B", "b", "BR", "Rb" etc are valid string literal prefix, however "BB", "rR" etc are not.
+		raw, bytes := false, false
+		for i := 0; i < 4 && i < len(p.s); i++ {
+			switch {
+			case !raw && (p.s[i] == 'R' || p.s[i] == 'r'):
+				raw = true
+				continue
+			case !bytes && (p.s[i] == 'B' || p.s[i] == 'b'):
+				bytes = true
+				continue
+			case p.s[i] == '"' || p.s[i] == '\'':
+				switch {
+				case raw && bytes:
+					p.consumeRawBytes()
+				case raw:
+					p.consumeRawString()
+				case bytes:
+					p.consumeBytes()
+				default:
+					p.consumeString()
+				}
+				return
+			}
+			break
+		}
+	case '`':
+		// Quoted identifier.
+		p.cur.string, p.cur.err = p.consumeStringContent("`", false, true, "quoted identifier")
+		p.cur.typ = quotedID
+		return
+	}
+	if p.s[0] == '@' || isInitialIdentifierChar(p.s[0]) {
+		// Start consuming identifier.
+		i := 1
+		for i < len(p.s) && isIdentifierChar(p.s[i]) {
+			i++
+		}
+		p.cur.value, p.s = p.s[:i], p.s[i:]
+		p.cur.typ = unquotedID
+		p.offset += i
+		return
+	}
+	if len(p.s) >= 2 && p.s[0] == '.' && ('0' <= p.s[1] && p.s[1] <= '9') {
+		// dot followed by a digit.
+		p.consumeNumber()
+		return
+	}
+	if '0' <= p.s[0] && p.s[0] <= '9' {
+		p.consumeNumber()
+		return
+	}
+
+	// Look for operator (two or one bytes).
+	for i := 2; i >= 1; i-- {
+		if i <= len(p.s) && operators[p.s[:i]] {
+			p.cur.value, p.s = p.s[:i], p.s[i:]
+			p.offset += i
+			return
+		}
+	}
+
+	p.errorf("unexpected byte %#x", p.s[0])
+}
+
+// back steps the parser back one token. It cannot be called twice in succession.
+func (p *parser) back() {
+	if p.backed {
+		panic("parser backed up twice")
+	}
+	p.done = false
+	p.backed = true
+	// If an error was being recovered, we wish to ignore the error.
+	// Don't do that for eof since that'll be returned next.
+	if p.cur.err != eof {
+		p.cur.err = nil
+	}
+}
+
+// next returns the next token.
+func (p *parser) next() *token {
+	if p.backed || p.done {
+		p.backed = false
+		return &p.cur
+	}
+	p.advance()
+	if p.done && p.cur.err == nil {
+		p.cur.value = ""
+		p.cur.err = eof
+	}
+	debugf("parser·next(): returning [%v] [err: %v] @l%d,o%d", p.cur.value, p.cur.err, p.cur.line, p.cur.offset)
+	return &p.cur
+}
+
+// caseEqual reports whether the token is valid, not a quoted identifier, and
+// equal to the provided string under a case insensitive comparison.
+// Use this (or sniff/eat/expect) instead of comparing a string directly for keywords, etc.
+func (t *token) caseEqual(x string) bool {
+	return t.err == nil && t.typ != quotedID && strings.EqualFold(t.value, x)
+}
+
+// sniff reports whether the next N tokens are as specified.
+func (p *parser) sniff(want ...string) bool {
+	// Store current parser state and restore on the way out.
+	orig := *p
+	defer func() { *p = orig }()
+
+	for _, w := range want {
+		if !p.next().caseEqual(w) {
+			return false
+		}
+	}
+	return true
+}
+
+// sniffTokenType reports whether the next token type is as specified.
+func (p *parser) sniffTokenType(want tokenType) bool {
+	orig := *p
+	defer func() { *p = orig }()
+
+	if p.next().typ == want {
+		return true
+	}
+	return false
+}
+
+// eat reports whether the next N tokens are as specified,
+// then consumes them.
+func (p *parser) eat(want ...string) bool {
+	// Store current parser state so we can restore if we get a failure.
+	orig := *p
+
+	for _, w := range want {
+		if !p.next().caseEqual(w) {
+			// Mismatch.
+			*p = orig
+			return false
+		}
+	}
+	return true
+}
+
+func (p *parser) expect(want ...string) *parseError {
+	for _, w := range want {
+		tok := p.next()
+		if tok.err != nil {
+			return tok.err
+		}
+		if !tok.caseEqual(w) {
+			return p.errorf("got %q while expecting %q", tok.value, w)
+		}
+	}
+	return nil
+}
+
+func (p *parser) parseDDLStmt() (DDLStmt, *parseError) {
+	debugf("parseDDLStmt: %v", p)
+
+	/*
+		statement:
+			{ create_database | create_table | create_index | alter_table | drop_table | rename_table | drop_index | create_change_stream | alter_change_stream | drop_change_stream }
+	*/
+
+	// TODO: support create_database
+
+	if p.sniff("CREATE", "TABLE") {
+		ct, err := p.parseCreateTable()
+		return ct, err
+	} else if p.sniff("CREATE", "INDEX") || p.sniff("CREATE", "UNIQUE", "INDEX") || p.sniff("CREATE", "NULL_FILTERED", "INDEX") || p.sniff("CREATE", "UNIQUE", "NULL_FILTERED", "INDEX") {
+		ci, err := p.parseCreateIndex()
+		return ci, err
+	} else if p.sniff("CREATE", "VIEW") || p.sniff("CREATE", "OR", "REPLACE", "VIEW") {
+		cv, err := p.parseCreateView()
+		return cv, err
+	} else if p.sniff("CREATE", "ROLE") {
+		cr, err := p.parseCreateRole()
+		return cr, err
+	} else if p.sniff("ALTER", "TABLE") {
+		a, err := p.parseAlterTable()
+		return a, err
+	} else if p.eat("DROP") {
+		pos := p.Pos()
+		// These statements are simple.
+		// DROP TABLE [ IF EXISTS ] table_name
+		// DROP INDEX [ IF EXISTS ] index_name
+		// DROP VIEW view_name
+		// DROP ROLE role_name
+		// DROP CHANGE STREAM change_stream_name
+		tok := p.next()
+		if tok.err != nil {
+			return nil, tok.err
+		}
+		switch {
+		default:
+			return nil, p.errorf("got %q, want TABLE, VIEW, INDEX or CHANGE", tok.value)
+		case tok.caseEqual("TABLE"):
+			var ifExists bool
+			if p.eat("IF", "EXISTS") {
+				ifExists = true
+			}
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropTable{Name: name, IfExists: ifExists, Position: pos}, nil
+		case tok.caseEqual("INDEX"):
+			var ifExists bool
+			if p.eat("IF", "EXISTS") {
+				ifExists = true
+			}
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropIndex{Name: name, IfExists: ifExists, Position: pos}, nil
+		case tok.caseEqual("VIEW"):
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropView{Name: name, Position: pos}, nil
+		case tok.caseEqual("ROLE"):
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropRole{Name: name, Position: pos}, nil
+		case tok.caseEqual("CHANGE"):
+			if err := p.expect("STREAM"); err != nil {
+				return nil, err
+			}
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropChangeStream{Name: name, Position: pos}, nil
+		case tok.caseEqual("SEQUENCE"):
+			var ifExists bool
+			if p.eat("IF", "EXISTS") {
+				ifExists = true
+			}
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			return &DropSequence{Name: name, IfExists: ifExists, Position: pos}, nil
+		}
+	} else if p.sniff("RENAME", "TABLE") {
+		a, err := p.parseRenameTable()
+		return a, err
+	} else if p.sniff("ALTER", "DATABASE") {
+		a, err := p.parseAlterDatabase()
+		return a, err
+	} else if p.eat("GRANT") {
+		a, err := p.parseGrantRole()
+		return a, err
+	} else if p.eat("REVOKE") {
+		a, err := p.parseRevokeRole()
+		return a, err
+	} else if p.sniff("CREATE", "CHANGE", "STREAM") {
+		cs, err := p.parseCreateChangeStream()
+		return cs, err
+	} else if p.sniff("ALTER", "CHANGE", "STREAM") {
+		acs, err := p.parseAlterChangeStream()
+		return acs, err
+	} else if p.sniff("ALTER", "STATISTICS") {
+		as, err := p.parseAlterStatistics()
+		return as, err
+	} else if p.sniff("ALTER", "INDEX") {
+		ai, err := p.parseAlterIndex()
+		return ai, err
+	} else if p.sniff("CREATE", "SEQUENCE") {
+		cs, err := p.parseCreateSequence()
+		return cs, err
+	} else if p.sniff("ALTER", "SEQUENCE") {
+		as, err := p.parseAlterSequence()
+		return as, err
+	}
+
+	return nil, p.errorf("unknown DDL statement")
+}
+
+func (p *parser) parseCreateTable() (*CreateTable, *parseError) {
+	debugf("parseCreateTable: %v", p)
+
+	/*
+		CREATE TABLE [ IF NOT EXISTS ] table_name(
+			[column_def, ...] [ table_constraint, ...] [ synonym ] )
+			primary_key [, cluster]
+
+		synonym:
+			SYNONYM (name)
+
+		primary_key:
+			PRIMARY KEY ( [key_part, ...] )
+
+		cluster:
+			INTERLEAVE IN PARENT table_name [ ON DELETE { CASCADE | NO ACTION } ]
+	*/
+	var ifNotExists bool
+
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("TABLE"); err != nil {
+		return nil, err
+	}
+	if p.eat("IF", "NOT", "EXISTS") {
+		ifNotExists = true
+	}
+	tname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	ct := &CreateTable{Name: tname, Position: pos, IfNotExists: ifNotExists}
+	err = p.parseCommaList("(", ")", func(p *parser) *parseError {
+		if p.sniffTableConstraint() {
+			tc, err := p.parseTableConstraint()
+			if err != nil {
+				return err
+			}
+			ct.Constraints = append(ct.Constraints, tc)
+			return nil
+		}
+
+		if p.sniffTableSynonym() {
+			ts, err := p.parseTableSynonym()
+			if err != nil {
+				return err
+			}
+			ct.Synonym = ts
+			return nil
+		}
+
+		cd, err := p.parseColumnDef()
+		if err != nil {
+			return err
+		}
+		ct.Columns = append(ct.Columns, cd)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if err := p.expect("PRIMARY"); err != nil {
+		return nil, err
+	}
+	if err := p.expect("KEY"); err != nil {
+		return nil, err
+	}
+	ct.PrimaryKey, err = p.parseKeyPartList()
+	if err != nil {
+		return nil, err
+	}
+
+	if p.eat(",", "INTERLEAVE") {
+		if err := p.expect("IN"); err != nil {
+			return nil, err
+		}
+		if err := p.expect("PARENT"); err != nil {
+			return nil, err
+		}
+		pname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		ct.Interleave = &Interleave{
+			Parent:   pname,
+			OnDelete: NoActionOnDelete,
+		}
+		// The ON DELETE clause is optional; it defaults to NoActionOnDelete.
+		if p.eat("ON", "DELETE") {
+			od, err := p.parseOnDelete()
+			if err != nil {
+				return nil, err
+			}
+			ct.Interleave.OnDelete = od
+		}
+	}
+	if p.eat(",", "ROW", "DELETION", "POLICY") {
+		rdp, err := p.parseRowDeletionPolicy()
+		if err != nil {
+			return nil, err
+		}
+		ct.RowDeletionPolicy = &rdp
+	}
+
+	return ct, nil
+}
+
+func (p *parser) sniffTableConstraint() bool {
+	// Unfortunately the Cloud Spanner grammar is LL(3) because
+	//	CONSTRAINT BOOL
+	// could be the start of a declaration of a column called "CONSTRAINT" of boolean type,
+	// or it could be the start of a foreign key constraint called "BOOL".
+	// We have to sniff up to the third token to see what production it is.
+	// If we have "FOREIGN" and "KEY" (or "CHECK"), this is an unnamed table constraint.
+	// If we have "CONSTRAINT", an identifier and "FOREIGN" (or "CHECK"), this is a table constraint.
+	// Otherwise, this is a column definition.
+
+	if p.sniff("FOREIGN", "KEY") || p.sniff("CHECK") {
+		return true
+	}
+
+	// Store parser state, and peek ahead.
+	// Restore on the way out.
+	orig := *p
+	defer func() { *p = orig }()
+
+	if !p.eat("CONSTRAINT") {
+		return false
+	}
+	if _, err := p.parseTableOrIndexOrColumnName(); err != nil {
+		return false
+	}
+	return p.sniff("FOREIGN") || p.sniff("CHECK")
+}
+
+func (p *parser) sniffTableSynonym() bool {
+	return p.sniff("SYNONYM")
+}
+
+func (p *parser) parseTableSynonym() (ID, *parseError) {
+	debugf("parseTableSynonym: %v", p)
+
+	/*
+		table_synonym:
+			SYNONYM ( name )
+	*/
+
+	if err := p.expect("SYNONYM"); err != nil {
+		return "", err
+	}
+	if err := p.expect("("); err != nil {
+		return "", err
+	}
+	name, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return "", err
+	}
+	if err := p.expect(")"); err != nil {
+		return "", err
+	}
+
+	return name, nil
+}
+
+func (p *parser) parseCreateIndex() (*CreateIndex, *parseError) {
+	debugf("parseCreateIndex: %v", p)
+
+	/*
+		CREATE [UNIQUE] [NULL_FILTERED] INDEX [IF NOT EXISTS] index_name
+			ON table_name ( key_part [, ...] ) [ storing_clause ] [ , interleave_clause ]
+
+		index_name:
+			{a—z|A—Z}[{a—z|A—Z|0—9|_}+]
+
+		storing_clause:
+			STORING ( column_name [, ...] )
+
+		interleave_clause:
+			INTERLEAVE IN table_name
+	*/
+
+	var unique, nullFiltered, ifNotExists bool
+
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if p.eat("UNIQUE") {
+		unique = true
+	}
+	if p.eat("NULL_FILTERED") {
+		nullFiltered = true
+	}
+	if err := p.expect("INDEX"); err != nil {
+		return nil, err
+	}
+	if p.eat("IF", "NOT", "EXISTS") {
+		ifNotExists = true
+	}
+	iname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	if err := p.expect("ON"); err != nil {
+		return nil, err
+	}
+	tname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	ci := &CreateIndex{
+		Name:  iname,
+		Table: tname,
+
+		Unique:       unique,
+		NullFiltered: nullFiltered,
+		IfNotExists:  ifNotExists,
+
+		Position: pos,
+	}
+	ci.Columns, err = p.parseKeyPartList()
+	if err != nil {
+		return nil, err
+	}
+
+	if p.eat("STORING") {
+		ci.Storing, err = p.parseColumnNameList()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if p.eat(",", "INTERLEAVE", "IN") {
+		ci.Interleave, err = p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return ci, nil
+}
+
+func (p *parser) parseCreateView() (*CreateView, *parseError) {
+	debugf("parseCreateView: %v", p)
+
+	/*
+		{ CREATE VIEW | CREATE OR REPLACE VIEW } view_name
+		SQL SECURITY {INVOKER | DEFINER}
+		AS query
+	*/
+
+	var orReplace bool
+
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if p.eat("OR", "REPLACE") {
+		orReplace = true
+	}
+	if err := p.expect("VIEW"); err != nil {
+		return nil, err
+	}
+	vname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	if err := p.expect("SQL", "SECURITY"); err != nil {
+		return nil, err
+	}
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	var securityType SecurityType
+	switch {
+	case tok.caseEqual("INVOKER"):
+		securityType = Invoker
+	case tok.caseEqual("DEFINER"):
+		securityType = Definer
+	default:
+		return nil, p.errorf("got %q, want INVOKER or DEFINER", tok.value)
+	}
+	if err := p.expect("AS"); err != nil {
+		return nil, err
+	}
+	query, err := p.parseQuery()
+	if err != nil {
+		return nil, err
+	}
+
+	return &CreateView{
+		Name:         vname,
+		OrReplace:    orReplace,
+		SecurityType: securityType,
+		Query:        query,
+
+		Position: pos,
+	}, nil
+}
+
+func (p *parser) parseCreateRole() (*CreateRole, *parseError) {
+	debugf("parseCreateRole: %v", p)
+
+	/*
+		CREATE ROLE database_role_name
+	*/
+
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("ROLE"); err != nil {
+		return nil, err
+	}
+	rname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	cr := &CreateRole{
+		Name: rname,
+
+		Position: pos,
+	}
+
+	return cr, nil
+}
+
+func (p *parser) parseGrantRole() (*GrantRole, *parseError) {
+	pos := p.Pos()
+	g := &GrantRole{
+		Position: pos,
+	}
+	if p.eat("ROLE") {
+		roleList, err := p.parseGrantOrRevokeRoleList("TO")
+		if err != nil {
+			return nil, err
+		}
+		g.GrantRoleNames = roleList
+	} else if p.eat("EXECUTE", "ON", "TABLE", "FUNCTION") {
+		tvfList, err := p.parseGrantOrRevokeRoleList("TO")
+		if err != nil {
+			return nil, err
+		}
+		g.TvfNames = tvfList
+	} else if p.eat("SELECT", "ON", "VIEW") {
+		viewList, err := p.parseGrantOrRevokeRoleList("TO")
+		if err != nil {
+			return nil, err
+		}
+		g.ViewNames = viewList
+	} else if p.eat("SELECT", "ON", "CHANGE", "STREAM") {
+		csList, err := p.parseGrantOrRevokeRoleList("TO")
+		if err != nil {
+			return nil, err
+		}
+		g.ChangeStreamNames = csList
+	} else {
+		var privs []Privilege
+		privs, err := p.parsePrivileges()
+		if err != nil {
+			return nil, err
+		}
+		g.Privileges = privs
+		var tableList []ID
+		f := func(p *parser) *parseError {
+			table, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return err
+			}
+			tableList = append(tableList, table)
+			return nil
+		}
+		if err := p.parseCommaListWithEnds(f, "TO", "ROLE"); err != nil {
+			return nil, err
+		}
+		g.TableNames = tableList
+	}
+	list, err := p.parseIDList()
+	if err != nil {
+		return nil, err
+	}
+	g.ToRoleNames = list
+
+	return g, nil
+}
+
+func (p *parser) parseRevokeRole() (*RevokeRole, *parseError) {
+	pos := p.Pos()
+	r := &RevokeRole{
+		Position: pos,
+	}
+	if p.eat("ROLE") {
+		roleList, err := p.parseGrantOrRevokeRoleList("FROM")
+		if err != nil {
+			return nil, err
+		}
+		r.RevokeRoleNames = roleList
+	} else if p.eat("EXECUTE", "ON", "TABLE", "FUNCTION") {
+		tvfList, err := p.parseGrantOrRevokeRoleList("FROM")
+		if err != nil {
+			return nil, err
+		}
+		r.TvfNames = tvfList
+	} else if p.eat("SELECT", "ON", "VIEW") {
+		viewList, err := p.parseGrantOrRevokeRoleList("FROM")
+		if err != nil {
+			return nil, err
+		}
+		r.ViewNames = viewList
+	} else if p.eat("SELECT", "ON", "CHANGE", "STREAM") {
+		csList, err := p.parseGrantOrRevokeRoleList("FROM")
+		if err != nil {
+			return nil, err
+		}
+		r.ChangeStreamNames = csList
+	} else {
+		var privs []Privilege
+		privs, err := p.parsePrivileges()
+		if err != nil {
+			return nil, err
+		}
+		r.Privileges = privs
+		var tableList []ID
+		f := func(p *parser) *parseError {
+			table, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return err
+			}
+			tableList = append(tableList, table)
+			return nil
+		}
+		if err := p.parseCommaListWithEnds(f, "FROM", "ROLE"); err != nil {
+			return nil, err
+		}
+		r.TableNames = tableList
+	}
+	list, err := p.parseIDList()
+	if err != nil {
+		return nil, err
+	}
+	r.FromRoleNames = list
+
+	return r, nil
+}
+func (p *parser) parseGrantOrRevokeRoleList(end string) ([]ID, *parseError) {
+	var roleList []ID
+	f := func(p *parser) *parseError {
+		role, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return err
+		}
+		roleList = append(roleList, role)
+		return nil
+	}
+	err := p.parseCommaListWithEnds(f, end, "ROLE")
+	if err != nil {
+		return nil, err
+	}
+	return roleList, nil
+}
+
+func (p *parser) parsePrivileges() ([]Privilege, *parseError) {
+	var privs []Privilege
+	for {
+		tok := p.next()
+		if tok.err != nil {
+			return []Privilege{}, tok.err
+		}
+
+		priv := Privilege{}
+		switch {
+		default:
+			return []Privilege{}, p.errorf("got %q, want SELECT or UPDATE or INSERT or DELETE", tok.value)
+		case tok.caseEqual("SELECT"):
+			priv.Type = PrivilegeTypeSelect
+		case tok.caseEqual("UPDATE"):
+			priv.Type = PrivilegeTypeUpdate
+		case tok.caseEqual("INSERT"):
+			priv.Type = PrivilegeTypeInsert
+		case tok.caseEqual("DELETE"):
+			priv.Type = PrivilegeTypeDelete
+		}
+		// can grant DELETE only at the table level.
+		// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#notes_and_restrictions
+		if p.sniff("(") && !tok.caseEqual("DELETE") {
+			list, err := p.parseColumnNameList()
+			if err != nil {
+				return nil, err
+			}
+			priv.Columns = list
+		}
+		privs = append(privs, priv)
+		tok = p.next()
+		if tok.err != nil {
+			return []Privilege{}, tok.err
+		}
+		if tok.value == "," {
+			continue
+		} else if tok.caseEqual("ON") && p.eat("TABLE") {
+			break
+		} else {
+			return []Privilege{}, p.errorf("got %q, want , or ON TABLE", tok.value)
+		}
+	}
+	return privs, nil
+}
+func (p *parser) parseAlterTable() (*AlterTable, *parseError) {
+	debugf("parseAlterTable: %v", p)
+
+	/*
+		alter_table:
+			ALTER TABLE table_name { table_alteration | table_column_alteration }
+
+		table_alteration:
+			{ ADD [ COLUMN ] [ IF NOT EXISTS ] column_def
+			| DROP [ COLUMN ] column_name
+			| ADD table_constraint
+			| DROP CONSTRAINT constraint_name
+			| SET ON DELETE { CASCADE | NO ACTION }
+			| ADD SYNONYM synonym_name
+			| DROP SYNONYM synonym_name
+			| RENAME TO new_table_name }
+
+		table_column_alteration:
+			ALTER [ COLUMN ] column_name { { scalar_type | array_type } [NOT NULL] | SET options_def }
+	*/
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("TABLE"); err != nil {
+		return nil, err
+	}
+	tname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	a := &AlterTable{Name: tname, Position: pos}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	default:
+		return nil, p.errorf("got %q, expected ADD or DROP or SET or ALTER", tok.value)
+	case tok.caseEqual("ADD"):
+		if p.sniff("CONSTRAINT") || p.sniff("FOREIGN") || p.sniff("CHECK") {
+			tc, err := p.parseTableConstraint()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = AddConstraint{Constraint: tc}
+			return a, nil
+		}
+
+		if p.eat("ROW", "DELETION", "POLICY") {
+			rdp, err := p.parseRowDeletionPolicy()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = AddRowDeletionPolicy{RowDeletionPolicy: rdp}
+			return a, nil
+		}
+
+		// TODO: "COLUMN" is optional. A column named SYNONYM is allowed.
+		if p.eat("SYNONYM") {
+			synonym, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = AddSynonym{Name: synonym}
+			return a, nil
+		}
+
+		// TODO: "COLUMN" is optional.
+		if err := p.expect("COLUMN"); err != nil {
+			return nil, err
+		}
+		var ifNotExists bool
+		if p.eat("IF", "NOT", "EXISTS") {
+			ifNotExists = true
+		}
+		cd, err := p.parseColumnDef()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = AddColumn{Def: cd, IfNotExists: ifNotExists}
+		return a, nil
+	case tok.caseEqual("DROP"):
+		if p.eat("CONSTRAINT") {
+			name, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = DropConstraint{Name: name}
+			return a, nil
+		}
+
+		if p.eat("ROW", "DELETION", "POLICY") {
+			a.Alteration = DropRowDeletionPolicy{}
+			return a, nil
+		}
+
+		// TODO: "COLUMN" is optional. A column named SYNONYM is allowed.
+		if p.eat("SYNONYM") {
+			synonym, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = DropSynonym{Name: synonym}
+			return a, nil
+		}
+
+		// TODO: "COLUMN" is optional.
+		if err := p.expect("COLUMN"); err != nil {
+			return nil, err
+		}
+		name, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = DropColumn{Name: name}
+		return a, nil
+	case tok.caseEqual("SET"):
+		if err := p.expect("ON"); err != nil {
+			return nil, err
+		}
+		if err := p.expect("DELETE"); err != nil {
+			return nil, err
+		}
+		od, err := p.parseOnDelete()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = SetOnDelete{Action: od}
+		return a, nil
+	case tok.caseEqual("ALTER"):
+		// TODO: "COLUMN" is optional.
+		if err := p.expect("COLUMN"); err != nil {
+			return nil, err
+		}
+		name, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		ca, err := p.parseColumnAlteration()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = AlterColumn{
+			Name:       name,
+			Alteration: ca,
+		}
+		return a, nil
+	case tok.caseEqual("REPLACE"):
+		if p.eat("ROW", "DELETION", "POLICY") {
+			rdp, err := p.parseRowDeletionPolicy()
+			if err != nil {
+				return nil, err
+			}
+			a.Alteration = ReplaceRowDeletionPolicy{RowDeletionPolicy: rdp}
+			return a, nil
+		}
+	case tok.caseEqual("RENAME"):
+		if p.eat("TO") {
+			newName, err := p.parseTableOrIndexOrColumnName()
+			if err != nil {
+				return nil, err
+			}
+			rt := RenameTo{ToName: newName}
+			if p.eat(",", "ADD", "SYNONYM") {
+				synonym, err := p.parseTableOrIndexOrColumnName()
+				if err != nil {
+					return nil, err
+				}
+				rt.Synonym = synonym
+			}
+			a.Alteration = rt
+			return a, nil
+		}
+	}
+	return a, nil
+}
+
+func (p *parser) parseRenameTable() (*RenameTable, *parseError) {
+	debugf("parseRenameTable: %v", p)
+
+	/*
+		RENAME TABLE table_name TO new_name [, table_name2 TO new_name2, ...]
+	*/
+
+	if err := p.expect("RENAME"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("TABLE"); err != nil {
+		return nil, err
+	}
+	rt := &RenameTable{
+		Position: pos,
+	}
+
+	var renameOps []TableRenameOp
+	for {
+		fromName, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		if err := p.expect("TO"); err != nil {
+			return nil, err
+		}
+		toName, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		renameOps = append(renameOps, TableRenameOp{FromName: fromName, ToName: toName})
+
+		tok := p.next()
+		if tok.err != nil {
+			if tok.err == eof {
+				break
+			}
+			return nil, tok.err
+		} else if tok.value == "," {
+			continue
+		} else if tok.value == ";" {
+			break
+		} else {
+			return nil, p.errorf("unexpected token %q", tok.value)
+		}
+	}
+	rt.TableRenameOps = renameOps
+	return rt, nil
+}
+
+func (p *parser) parseAlterDatabase() (*AlterDatabase, *parseError) {
+	debugf("parseAlterDatabase: %v", p)
+
+	/*
+		ALTER DATABASE database_id
+			action
+
+		where database_id is:
+			{a—z}[{a—z|0—9|_|-}+]{a—z|0—9}
+
+		and action is:
+			SET OPTIONS ( optimizer_version = { 1 ...  2 | null },
+						  version_retention_period = { 'duration' | null } )
+	*/
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("DATABASE"); err != nil {
+		return nil, err
+	}
+	// This is not 100% correct as database identifiers have slightly more
+	// restrictions than table names, but the restrictions are currently not
+	// applied in the spansql parser.
+	// TODO: Apply restrictions for all identifiers.
+	dbname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	a := &AlterDatabase{Name: dbname, Position: pos}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	default:
+		return nil, p.errorf("got %q, expected SET", tok.value)
+	case tok.caseEqual("SET"):
+		options, err := p.parseDatabaseOptions()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = SetDatabaseOptions{Options: options}
+		return a, nil
+	}
+}
+
+func (p *parser) parseDMLStmt() (DMLStmt, *parseError) {
+	debugf("parseDMLStmt: %v", p)
+
+	/*
+		DELETE [FROM] target_name [[AS] alias]
+		WHERE condition
+
+		UPDATE target_name [[AS] alias]
+		SET update_item [, ...]
+		WHERE condition
+
+		update_item: path_expression = expression | path_expression = DEFAULT
+
+		INSERT [INTO] target_name
+		 (column_name_1 [, ..., column_name_n] )
+		 input
+
+		input:
+		 VALUES (row_1_column_1_expr [, ..., row_1_column_n_expr ] )
+		        [, ..., (row_k_column_1_expr [, ..., row_k_column_n_expr ] ) ]
+		| select_query
+
+		expr: value_expression | DEFAULT
+	*/
+
+	if p.eat("DELETE") {
+		p.eat("FROM") // optional
+		tname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		// TODO: parse alias.
+		if err := p.expect("WHERE"); err != nil {
+			return nil, err
+		}
+		where, err := p.parseBoolExpr()
+		if err != nil {
+			return nil, err
+		}
+		return &Delete{
+			Table: tname,
+			Where: where,
+		}, nil
+	}
+
+	if p.eat("UPDATE") {
+		tname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		u := &Update{
+			Table: tname,
+		}
+		// TODO: parse alias.
+		if err := p.expect("SET"); err != nil {
+			return nil, err
+		}
+		for {
+			ui, err := p.parseUpdateItem()
+			if err != nil {
+				return nil, err
+			}
+			u.Items = append(u.Items, ui)
+			if p.eat(",") {
+				continue
+			}
+			break
+		}
+		if err := p.expect("WHERE"); err != nil {
+			return nil, err
+		}
+		where, err := p.parseBoolExpr()
+		if err != nil {
+			return nil, err
+		}
+		u.Where = where
+		return u, nil
+	}
+
+	if p.eat("INSERT") {
+		p.eat("INTO") // optional
+		tname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+
+		columns, err := p.parseColumnNameList()
+		if err != nil {
+			return nil, err
+		}
+
+		var input ValuesOrSelect
+		if p.eat("VALUES") {
+			values := make([][]Expr, 0)
+			for {
+				exprs, err := p.parseParenExprList()
+				if err != nil {
+					return nil, err
+				}
+				values = append(values, exprs)
+				if !p.eat(",") {
+					break
+				}
+			}
+			input = Values(values)
+		} else {
+			input, err = p.parseSelect()
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		return &Insert{
+			Table:   tname,
+			Columns: columns,
+			Input:   input,
+		}, nil
+	}
+
+	return nil, p.errorf("unknown DML statement")
+}
+
+func (p *parser) parseUpdateItem() (UpdateItem, *parseError) {
+	col, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return UpdateItem{}, err
+	}
+	ui := UpdateItem{
+		Column: col,
+	}
+	if err := p.expect("="); err != nil {
+		return UpdateItem{}, err
+	}
+	if p.eat("DEFAULT") {
+		return ui, nil
+	}
+	ui.Value, err = p.parseExpr()
+	if err != nil {
+		return UpdateItem{}, err
+	}
+	return ui, nil
+}
+
+func (p *parser) parseColumnDef() (ColumnDef, *parseError) {
+	debugf("parseColumnDef: %v", p)
+
+	/*
+		column_def:
+			column_name {scalar_type | array_type} [NOT NULL] [{DEFAULT ( expression ) | AS ( expression ) STORED}] [options_def]
+	*/
+
+	name, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return ColumnDef{}, err
+	}
+
+	cd := ColumnDef{Name: name, Position: p.Pos()}
+
+	cd.Type, err = p.parseType()
+	if err != nil {
+		return ColumnDef{}, err
+	}
+
+	if p.eat("NOT", "NULL") {
+		cd.NotNull = true
+	}
+
+	if p.eat("DEFAULT", "(") {
+		cd.Default, err = p.parseExpr()
+		if err != nil {
+			return ColumnDef{}, err
+		}
+		if err := p.expect(")"); err != nil {
+			return ColumnDef{}, err
+		}
+	}
+
+	if p.eat("AS", "(") {
+		cd.Generated, err = p.parseExpr()
+		if err != nil {
+			return ColumnDef{}, err
+		}
+		if err := p.expect(")"); err != nil {
+			return ColumnDef{}, err
+		}
+		if err := p.expect("STORED"); err != nil {
+			return ColumnDef{}, err
+		}
+	}
+
+	if p.sniff("OPTIONS") {
+		cd.Options, err = p.parseColumnOptions()
+		if err != nil {
+			return ColumnDef{}, err
+		}
+	}
+
+	return cd, nil
+}
+
+func (p *parser) parseColumnAlteration() (ColumnAlteration, *parseError) {
+	debugf("parseColumnAlteration: %v", p)
+	/*
+		{
+			data_type [ NOT NULL ] [ DEFAULT ( expression ) ]
+			| SET  ( options_def )
+			| SET  DEFAULT ( expression )
+			| DROP DEFAULT
+		}
+	*/
+
+	if p.eat("SET", "DEFAULT", "(") {
+		d, err := p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		if err := p.expect(")"); err != nil {
+			return nil, err
+		}
+		return SetDefault{Default: d}, nil
+	}
+
+	if p.eat("DROP", "DEFAULT") {
+		return DropDefault{}, nil
+	}
+
+	if p.eat("SET") {
+		co, err := p.parseColumnOptions()
+		if err != nil {
+			return nil, err
+		}
+		return SetColumnOptions{Options: co}, nil
+	}
+
+	typ, err := p.parseType()
+	if err != nil {
+		return nil, err
+	}
+	sct := SetColumnType{Type: typ}
+
+	if p.eat("NOT", "NULL") {
+		sct.NotNull = true
+	}
+
+	if p.eat("DEFAULT", "(") {
+		sct.Default, err = p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		if err := p.expect(")"); err != nil {
+			return nil, err
+		}
+	}
+
+	return sct, nil
+}
+
+func (p *parser) parseColumnOptions() (ColumnOptions, *parseError) {
+	debugf("parseColumnOptions: %v", p)
+	/*
+		options_def:
+			OPTIONS (allow_commit_timestamp = { true | null })
+	*/
+
+	if err := p.expect("OPTIONS"); err != nil {
+		return ColumnOptions{}, err
+	}
+	if err := p.expect("("); err != nil {
+		return ColumnOptions{}, err
+	}
+
+	// TODO: Figure out if column options are case insensitive.
+	// We ignore case for the key (because it is easier) but not the value.
+	var co ColumnOptions
+	if p.eat("allow_commit_timestamp", "=") {
+		tok := p.next()
+		if tok.err != nil {
+			return ColumnOptions{}, tok.err
+		}
+		allowCommitTimestamp := new(bool)
+		switch tok.value {
+		case "true":
+			*allowCommitTimestamp = true
+		case "null":
+			*allowCommitTimestamp = false
+		default:
+			return ColumnOptions{}, p.errorf("got %q, want true or null", tok.value)
+		}
+		co.AllowCommitTimestamp = allowCommitTimestamp
+	}
+
+	if err := p.expect(")"); err != nil {
+		return ColumnOptions{}, err
+	}
+
+	return co, nil
+}
+
+func (p *parser) parseDatabaseOptions() (DatabaseOptions, *parseError) {
+	debugf("parseDatabaseOptions: %v", p)
+	/*
+		options_def:
+			OPTIONS (enable_key_visualizer = { true | null },
+					 optimizer_version = { 1 ... 2 | null },
+					 version_retention_period = { 'duration' | null })
+	*/
+
+	if err := p.expect("OPTIONS"); err != nil {
+		return DatabaseOptions{}, err
+	}
+	if err := p.expect("("); err != nil {
+		return DatabaseOptions{}, err
+	}
+
+	// We ignore case for the key (because it is easier) but not the value.
+	var opts DatabaseOptions
+	for {
+		if p.eat("enable_key_visualizer", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return DatabaseOptions{}, tok.err
+			}
+			enableKeyVisualizer := new(bool)
+			switch tok.value {
+			case "true":
+				*enableKeyVisualizer = true
+			case "null":
+				*enableKeyVisualizer = false
+			default:
+				return DatabaseOptions{}, p.errorf("invalid enable_key_visualizer_value: %v", tok.value)
+			}
+			opts.EnableKeyVisualizer = enableKeyVisualizer
+		} else if p.eat("optimizer_version", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return DatabaseOptions{}, tok.err
+			}
+			optimizerVersion := new(int)
+			if tok.value == "null" {
+				*optimizerVersion = 0
+			} else {
+				if tok.typ != int64Token {
+					return DatabaseOptions{}, p.errorf("invalid optimizer_version value: %v", tok.value)
+				}
+				version, err := strconv.Atoi(tok.value)
+				if err != nil {
+					return DatabaseOptions{}, p.errorf("invalid optimizer_version value: %v", tok.value)
+				}
+				*optimizerVersion = version
+			}
+			opts.OptimizerVersion = optimizerVersion
+		} else if p.eat("optimizer_statistics_package", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return DatabaseOptions{}, tok.err
+			}
+			optimizerStatisticsPackage := new(string)
+			if tok.value == "null" {
+				*optimizerStatisticsPackage = ""
+			} else {
+				if tok.typ != stringToken {
+					return DatabaseOptions{}, p.errorf("invalid optimizer_statistics_package: %v", tok.value)
+				}
+				*optimizerStatisticsPackage = tok.string
+			}
+			opts.OptimizerStatisticsPackage = optimizerStatisticsPackage
+		} else if p.eat("version_retention_period", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return DatabaseOptions{}, tok.err
+			}
+			retentionPeriod := new(string)
+			if tok.value == "null" {
+				*retentionPeriod = ""
+			} else {
+				if tok.typ != stringToken {
+					return DatabaseOptions{}, p.errorf("invalid version_retention_period: %v", tok.value)
+				}
+				*retentionPeriod = tok.string
+			}
+			opts.VersionRetentionPeriod = retentionPeriod
+		} else if p.eat("default_leader", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return DatabaseOptions{}, tok.err
+			}
+			defaultLeader := new(string)
+			if tok.value == "null" {
+				*defaultLeader = ""
+			} else {
+				if tok.typ != stringToken {
+					return DatabaseOptions{}, p.errorf("invalid default_leader: %v", tok.value)
+				}
+				*defaultLeader = tok.string
+			}
+			opts.DefaultLeader = defaultLeader
+		} else {
+			tok := p.next()
+			return DatabaseOptions{}, p.errorf("unknown database option: %v", tok.value)
+		}
+		if p.sniff(")") {
+			break
+		}
+		if !p.eat(",") {
+			return DatabaseOptions{}, p.errorf("missing ',' in options list")
+		}
+	}
+	if err := p.expect(")"); err != nil {
+		return DatabaseOptions{}, err
+	}
+
+	return opts, nil
+}
+
+func (p *parser) parseKeyPartList() ([]KeyPart, *parseError) {
+	var list []KeyPart
+	err := p.parseCommaList("(", ")", func(p *parser) *parseError {
+		kp, err := p.parseKeyPart()
+		if err != nil {
+			return err
+		}
+		list = append(list, kp)
+		return nil
+	})
+	return list, err
+}
+
+func (p *parser) parseKeyPart() (KeyPart, *parseError) {
+	debugf("parseKeyPart: %v", p)
+
+	/*
+		key_part:
+			column_name [{ ASC | DESC }]
+	*/
+
+	name, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return KeyPart{}, err
+	}
+
+	kp := KeyPart{Column: name}
+
+	if p.eat("ASC") {
+		// OK.
+	} else if p.eat("DESC") {
+		kp.Desc = true
+	}
+
+	return kp, nil
+}
+
+func (p *parser) parseTableConstraint() (TableConstraint, *parseError) {
+	debugf("parseTableConstraint: %v", p)
+
+	/*
+		table_constraint:
+			[ CONSTRAINT constraint_name ]
+			{ check | foreign_key }
+	*/
+
+	if p.eat("CONSTRAINT") {
+		pos := p.Pos()
+		// Named constraint.
+		cname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return TableConstraint{}, err
+		}
+		c, err := p.parseConstraint()
+		if err != nil {
+			return TableConstraint{}, err
+		}
+		return TableConstraint{
+			Name:       cname,
+			Constraint: c,
+			Position:   pos,
+		}, nil
+	}
+
+	// Unnamed constraint.
+	c, err := p.parseConstraint()
+	if err != nil {
+		return TableConstraint{}, err
+	}
+	return TableConstraint{
+		Constraint: c,
+		Position:   c.Pos(),
+	}, nil
+}
+
+func (p *parser) parseConstraint() (Constraint, *parseError) {
+	if p.sniff("FOREIGN") {
+		fk, err := p.parseForeignKey()
+		return fk, err
+	}
+	c, err := p.parseCheck()
+	return c, err
+}
+
+func (p *parser) parseForeignKey() (ForeignKey, *parseError) {
+	debugf("parseForeignKey: %v", p)
+
+	/*
+		foreign_key:
+			FOREIGN KEY ( column_name [, ... ] ) REFERENCES ref_table ( ref_column [, ... ] ) [ ON DELETE { CASCADE | NO ACTION } ]
+	*/
+
+	if err := p.expect("FOREIGN"); err != nil {
+		return ForeignKey{}, err
+	}
+	fk := ForeignKey{Position: p.Pos()}
+	if err := p.expect("KEY"); err != nil {
+		return ForeignKey{}, err
+	}
+	var err *parseError
+	fk.Columns, err = p.parseColumnNameList()
+	if err != nil {
+		return ForeignKey{}, err
+	}
+	if err := p.expect("REFERENCES"); err != nil {
+		return ForeignKey{}, err
+	}
+	fk.RefTable, err = p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return ForeignKey{}, err
+	}
+	fk.RefColumns, err = p.parseColumnNameList()
+	if err != nil {
+		return ForeignKey{}, err
+	}
+	// The ON DELETE clause is optional; it defaults to NoActionOnDelete.
+	fk.OnDelete = NoActionOnDelete
+	if p.eat("ON", "DELETE") {
+		fk.OnDelete, err = p.parseOnDelete()
+		if err != nil {
+			return ForeignKey{}, err
+		}
+	}
+	return fk, nil
+}
+
+func (p *parser) parseCheck() (Check, *parseError) {
+	debugf("parseCheck: %v", p)
+
+	/*
+		check:
+			CHECK ( expression )
+	*/
+
+	if err := p.expect("CHECK"); err != nil {
+		return Check{}, err
+	}
+	c := Check{Position: p.Pos()}
+	if err := p.expect("("); err != nil {
+		return Check{}, err
+	}
+	var err *parseError
+	c.Expr, err = p.parseBoolExpr()
+	if err != nil {
+		return Check{}, err
+	}
+	if err := p.expect(")"); err != nil {
+		return Check{}, err
+	}
+	return c, nil
+}
+
+func (p *parser) parseColumnNameList() ([]ID, *parseError) {
+	var list []ID
+	err := p.parseCommaList("(", ")", func(p *parser) *parseError {
+		n, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return err
+		}
+		list = append(list, n)
+		return nil
+	})
+	return list, err
+}
+
+func (p *parser) parseIDList() ([]ID, *parseError) {
+	var list []ID
+	for {
+		n, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		list = append(list, n)
+
+		if p.eat(",") {
+			continue
+		}
+		break
+	}
+	return list, nil
+}
+
+func (p *parser) parseCreateChangeStream() (*CreateChangeStream, *parseError) {
+	debugf("parseCreateChangeStream: %v", p)
+
+	/*
+		CREATE CHANGE STREAM change_stream_name
+		    [FOR column_or_table_watching_definition[, ... ] ]
+		    [
+		        OPTIONS (
+		            retention_period = timespan,
+		            value_capture_type = type
+		        )
+		    ]
+	*/
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("CHANGE"); err != nil {
+		return nil, err
+	}
+	if err := p.expect("STREAM"); err != nil {
+		return nil, err
+	}
+	csname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	cs := &CreateChangeStream{Name: csname, Position: pos}
+
+	if p.sniff("FOR") {
+		watch, watchAllTables, err := p.parseChangeStreamWatches()
+		if err != nil {
+			return nil, err
+		}
+		cs.Watch = watch
+		cs.WatchAllTables = watchAllTables
+	}
+
+	if p.sniff("OPTIONS") {
+		cs.Options, err = p.parseChangeStreamOptions()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return cs, nil
+}
+
+func (p *parser) parseAlterChangeStream() (*AlterChangeStream, *parseError) {
+	debugf("parseAlterChangeStream: %v", p)
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("CHANGE"); err != nil {
+		return nil, err
+	}
+	if err := p.expect("STREAM"); err != nil {
+		return nil, err
+	}
+	csname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	acs := &AlterChangeStream{Name: csname, Position: pos}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	default:
+		return nil, p.errorf("got %q, expected SET or DROP", tok.value)
+	case tok.caseEqual("SET"):
+		if p.sniff("OPTIONS") {
+			options, err := p.parseChangeStreamOptions()
+			if err != nil {
+				return nil, err
+			}
+			acs.Alteration = AlterChangeStreamOptions{Options: options}
+			return acs, nil
+		}
+		if p.sniff("FOR") {
+			watch, watchAllTables, err := p.parseChangeStreamWatches()
+			if err != nil {
+				return nil, err
+			}
+			acs.Alteration = AlterWatch{Watch: watch, WatchAllTables: watchAllTables}
+			return acs, nil
+		}
+		return nil, p.errorf("got %q, expected FOR or OPTIONS", p.next())
+	case tok.caseEqual("DROP"):
+		if err := p.expect("FOR", "ALL"); err != nil {
+			return nil, err
+		}
+		acs.Alteration = DropChangeStreamWatch{}
+		return acs, nil
+	}
+}
+
+func (p *parser) parseChangeStreamWatches() ([]WatchDef, bool, *parseError) {
+	debugf("parseChangeStreamWatches: %v", p)
+
+	if err := p.expect("FOR"); err != nil {
+		return nil, false, err
+	}
+
+	if p.eat("ALL") {
+		return nil, true, nil
+	}
+
+	watchDefs := []WatchDef{}
+	for {
+		tname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, false, err
+		}
+		pos := p.Pos()
+		wd := WatchDef{Table: tname, Position: pos}
+
+		if p.sniff("(") {
+			columns, err := p.parseColumnNameList()
+			if err != nil {
+				return nil, false, err
+			}
+			wd.Columns = columns
+		} else {
+			wd.WatchAllCols = true
+		}
+
+		watchDefs = append(watchDefs, wd)
+		if p.eat(",") {
+			continue
+		}
+		break
+	}
+
+	return watchDefs, false, nil
+}
+
+func (p *parser) parseChangeStreamOptions() (ChangeStreamOptions, *parseError) {
+	debugf("parseChangeStreamOptions: %v", p)
+	/*
+		options_def:
+			OPTIONS (
+									retention_period = timespan,
+									value_capture_type = type
+							) 	*/
+
+	if err := p.expect("OPTIONS"); err != nil {
+		return ChangeStreamOptions{}, err
+	}
+	if err := p.expect("("); err != nil {
+		return ChangeStreamOptions{}, err
+	}
+
+	var cso ChangeStreamOptions
+	for {
+		if p.eat("retention_period", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return ChangeStreamOptions{}, tok.err
+			}
+			retentionPeriod := new(string)
+			if tok.value == "null" {
+				*retentionPeriod = ""
+			} else {
+				if tok.typ != stringToken {
+					return ChangeStreamOptions{}, p.errorf("invalid retention_period: %v", tok.value)
+				}
+				*retentionPeriod = tok.string
+			}
+			cso.RetentionPeriod = retentionPeriod
+		} else if p.eat("value_capture_type", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return ChangeStreamOptions{}, tok.err
+			}
+			valueCaptureType := new(string)
+			if tok.typ != stringToken {
+				return ChangeStreamOptions{}, p.errorf("invalid value_capture_type: %v", tok.value)
+			}
+			*valueCaptureType = tok.string
+			cso.ValueCaptureType = valueCaptureType
+		} else {
+			tok := p.next()
+			return ChangeStreamOptions{}, p.errorf("unknown change stream option: %v", tok.value)
+		}
+		if p.sniff(")") {
+			break
+		}
+		if !p.eat(",") {
+			return ChangeStreamOptions{}, p.errorf("missing ',' in options list")
+		}
+	}
+
+	if err := p.expect(")"); err != nil {
+		return ChangeStreamOptions{}, err
+	}
+
+	return cso, nil
+}
+
+func (p *parser) parseAlterStatistics() (*AlterStatistics, *parseError) {
+	debugf("parseAlterStatistics: %v", p)
+
+	/*
+		ALTER STATISTICS package_name
+				action
+
+		where package_name is:
+				{a—z}[{a—z|0—9|_|-}+]{a—z|0—9}
+
+		and action is:
+				SET OPTIONS ( options_def )
+
+		and options_def is:
+				{ allow_gc = { true | false } }
+	*/
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("STATISTICS"); err != nil {
+		return nil, err
+	}
+	// This is not 100% correct as package_name identifiers have slightly more
+	// restrictions than table names, but the restrictions are currently not
+	// applied in the spansql parser.
+	// TODO: Apply restrictions for all identifiers.
+	dbname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	a := &AlterStatistics{Name: dbname, Position: pos}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	default:
+		return nil, p.errorf("got %q, expected SET", tok.value)
+	case tok.caseEqual("SET"):
+		options, err := p.parseStatisticsOptions()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = SetStatisticsOptions{Options: options}
+		return a, nil
+	}
+}
+
+func (p *parser) parseStatisticsOptions() (StatisticsOptions, *parseError) {
+	debugf("parseDatabaseOptions: %v", p)
+	/*
+		options_def is:
+			{ allow_gc = { true | false } }
+	*/
+
+	if err := p.expect("OPTIONS"); err != nil {
+		return StatisticsOptions{}, err
+	}
+	if err := p.expect("("); err != nil {
+		return StatisticsOptions{}, err
+	}
+
+	// We ignore case for the key (because it is easier) but not the value.
+	var opts StatisticsOptions
+	for {
+		if p.eat("allow_gc", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return StatisticsOptions{}, tok.err
+			}
+			allowGC := new(bool)
+			switch tok.value {
+			case "true":
+				*allowGC = true
+			case "false":
+				*allowGC = false
+			default:
+				return StatisticsOptions{}, p.errorf("invalid allow_gc: %v", tok.value)
+			}
+			opts.AllowGC = allowGC
+		} else {
+			tok := p.next()
+			return StatisticsOptions{}, p.errorf("unknown statistics option: %v", tok.value)
+		}
+		if p.sniff(")") {
+			break
+		}
+		if !p.eat(",") {
+			return StatisticsOptions{}, p.errorf("missing ',' in options list")
+		}
+	}
+	if err := p.expect(")"); err != nil {
+		return StatisticsOptions{}, err
+	}
+
+	return opts, nil
+}
+
+func (p *parser) parseAlterIndex() (*AlterIndex, *parseError) {
+	debugf("parseAlterIndex: %v", p)
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("INDEX"); err != nil {
+		return nil, err
+	}
+	iname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	a := &AlterIndex{Name: iname, Position: pos}
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	case tok.caseEqual("ADD"):
+		if err := p.expect("STORED", "COLUMN"); err != nil {
+			return nil, err
+		}
+		cname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = AddStoredColumn{Name: cname}
+		return a, nil
+	case tok.caseEqual("DROP"):
+		if err := p.expect("STORED", "COLUMN"); err != nil {
+			return nil, err
+		}
+		cname, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		a.Alteration = DropStoredColumn{Name: cname}
+		return a, nil
+	}
+
+	return nil, p.errorf("got %q, expected ADD or DROP", tok.value)
+}
+
+func (p *parser) parseCreateSequence() (*CreateSequence, *parseError) {
+	debugf("parseCreateSequence: %v", p)
+
+	/*
+		CREATE SEQUENCE
+		  [ IF NOT EXISTS ] sequence_name
+		  [ OPTIONS ( sequence_options ) ]
+	*/
+
+	if err := p.expect("CREATE"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("SEQUENCE"); err != nil {
+		return nil, err
+	}
+	var ifNotExists bool
+	if p.eat("IF", "NOT", "EXISTS") {
+		ifNotExists = true
+	}
+	sname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	cs := &CreateSequence{Name: sname, IfNotExists: ifNotExists, Position: pos}
+
+	if p.sniff("OPTIONS") {
+		cs.Options, err = p.parseSequenceOptions()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return cs, nil
+}
+
+func (p *parser) parseAlterSequence() (*AlterSequence, *parseError) {
+	debugf("parseAlterSequence: %v", p)
+
+	/*
+		ALTER SEQUENCE sequence_name
+		SET OPTIONS sequence_options
+	*/
+
+	if err := p.expect("ALTER"); err != nil {
+		return nil, err
+	}
+	pos := p.Pos()
+	if err := p.expect("SEQUENCE"); err != nil {
+		return nil, err
+	}
+	sname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+
+	as := &AlterSequence{Name: sname, Position: pos}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	default:
+		return nil, p.errorf("got %q, expected SET", tok.value)
+	case tok.caseEqual("SET"):
+		options, err := p.parseSequenceOptions()
+		if err != nil {
+			return nil, err
+		}
+		as.Alteration = SetSequenceOptions{Options: options}
+		return as, nil
+	}
+}
+
+func (p *parser) parseSequenceOptions() (SequenceOptions, *parseError) {
+	debugf("parseSequenceOptions: %v", p)
+
+	if err := p.expect("OPTIONS", "("); err != nil {
+		return SequenceOptions{}, err
+	}
+
+	// We ignore case for the key (because it is easier) but not the value.
+	var so SequenceOptions
+	for {
+		if p.eat("sequence_kind", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return SequenceOptions{}, tok.err
+			}
+			if tok.typ != stringToken {
+				return SequenceOptions{}, p.errorf("invalid sequence_kind value: %v", tok.value)
+			}
+			sequenceKind := tok.string
+			so.SequenceKind = &sequenceKind
+		} else if p.eat("skip_range_min", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return SequenceOptions{}, tok.err
+			}
+			if tok.typ != int64Token {
+				return SequenceOptions{}, p.errorf("invalid skip_range_min value: %v", tok.value)
+			}
+			value, err := strconv.Atoi(tok.value)
+			if err != nil {
+				return SequenceOptions{}, p.errorf("invalid skip_range_min value: %v", tok.value)
+			}
+			so.SkipRangeMin = &value
+		} else if p.eat("skip_range_max", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return SequenceOptions{}, tok.err
+			}
+			if tok.typ != int64Token {
+				return SequenceOptions{}, p.errorf("invalid skip_range_max value: %v", tok.value)
+			}
+			value, err := strconv.Atoi(tok.value)
+			if err != nil {
+				return SequenceOptions{}, p.errorf("invalid skip_range_max value: %v", tok.value)
+			}
+			so.SkipRangeMax = &value
+		} else if p.eat("start_with_counter", "=") {
+			tok := p.next()
+			if tok.err != nil {
+				return SequenceOptions{}, tok.err
+			}
+			if tok.typ != int64Token {
+				return SequenceOptions{}, p.errorf("invalid start_with_counter value: %v", tok.value)
+			}
+			value, err := strconv.Atoi(tok.value)
+			if err != nil {
+				return SequenceOptions{}, p.errorf("invalid start_with_counter value: %v", tok.value)
+			}
+			so.StartWithCounter = &value
+		} else {
+			tok := p.next()
+			return SequenceOptions{}, p.errorf("unknown sequence option: %v", tok.value)
+		}
+		if p.sniff(")") {
+			break
+		}
+		if !p.eat(",") {
+			return SequenceOptions{}, p.errorf("missing ',' in options list")
+		}
+	}
+	if err := p.expect(")"); err != nil {
+		return SequenceOptions{}, err
+	}
+
+	return so, nil
+}
+
+var baseTypes = map[string]TypeBase{
+	"BOOL":      Bool,
+	"INT64":     Int64,
+	"FLOAT64":   Float64,
+	"NUMERIC":   Numeric,
+	"STRING":    String,
+	"BYTES":     Bytes,
+	"DATE":      Date,
+	"TIMESTAMP": Timestamp,
+	"JSON":      JSON,
+}
+
+func (p *parser) parseBaseType() (Type, *parseError) {
+	return p.parseBaseOrParameterizedType(false)
+}
+
+func (p *parser) parseType() (Type, *parseError) {
+	return p.parseBaseOrParameterizedType(true)
+}
+
+var extractPartTypes = map[string]TypeBase{
+	"DAY":   Int64,
+	"MONTH": Int64,
+	"YEAR":  Int64,
+	"DATE":  Date,
+}
+
+func (p *parser) parseExtractType() (Type, string, *parseError) {
+	var t Type
+	tok := p.next()
+	if tok.err != nil {
+		return Type{}, "", tok.err
+	}
+	base, ok := extractPartTypes[strings.ToUpper(tok.value)] // valid part types for EXTRACT is keyed by upper case strings.
+	if !ok {
+		return Type{}, "", p.errorf("got %q, want valid EXTRACT types", tok.value)
+	}
+	t.Base = base
+	return t, strings.ToUpper(tok.value), nil
+}
+
+func (p *parser) parseBaseOrParameterizedType(withParam bool) (Type, *parseError) {
+	debugf("parseBaseOrParameterizedType: %v", p)
+
+	/*
+		array_type:
+			ARRAY< scalar_type >
+
+		scalar_type:
+			{ BOOL | INT64 | FLOAT64 | NUMERIC | STRING( length ) | BYTES( length ) | DATE | TIMESTAMP | JSON }
+		length:
+			{ int64_value | MAX }
+	*/
+
+	var t Type
+
+	tok := p.next()
+	if tok.err != nil {
+		return Type{}, tok.err
+	}
+	if tok.caseEqual("ARRAY") {
+		t.Array = true
+		if err := p.expect("<"); err != nil {
+			return Type{}, err
+		}
+		tok = p.next()
+		if tok.err != nil {
+			return Type{}, tok.err
+		}
+	}
+	base, ok := baseTypes[strings.ToUpper(tok.value)] // baseTypes is keyed by upper case strings.
+	if !ok {
+		return Type{}, p.errorf("got %q, want scalar type", tok.value)
+	}
+	t.Base = base
+
+	if withParam && (t.Base == String || t.Base == Bytes) {
+		if err := p.expect("("); err != nil {
+			return Type{}, err
+		}
+
+		tok = p.next()
+		if tok.err != nil {
+			return Type{}, tok.err
+		}
+		if tok.caseEqual("MAX") {
+			t.Len = MaxLen
+		} else if tok.typ == int64Token {
+			n, err := strconv.ParseInt(tok.value, tok.int64Base, 64)
+			if err != nil {
+				return Type{}, p.errorf("%v", err)
+			}
+			t.Len = n
+		} else {
+			return Type{}, p.errorf("got %q, want MAX or int64", tok.value)
+		}
+
+		if err := p.expect(")"); err != nil {
+			return Type{}, err
+		}
+	}
+
+	if t.Array {
+		if err := p.expect(">"); err != nil {
+			return Type{}, err
+		}
+	}
+
+	return t, nil
+}
+
+func (p *parser) parseQuery() (Query, *parseError) {
+	debugf("parseQuery: %v", p)
+
+	/*
+		query_statement:
+			[ table_hint_expr ][ join_hint_expr ]
+			query_expr
+
+		query_expr:
+			{ select | ( query_expr ) | query_expr set_op query_expr }
+			[ ORDER BY expression [{ ASC | DESC }] [, ...] ]
+			[ LIMIT count [ OFFSET skip_rows ] ]
+	*/
+
+	// TODO: sub-selects, etc.
+
+	if err := p.expect("SELECT"); err != nil {
+		return Query{}, err
+	}
+	p.back()
+	sel, err := p.parseSelect()
+	if err != nil {
+		return Query{}, err
+	}
+	q := Query{Select: sel}
+
+	if p.eat("ORDER", "BY") {
+		for {
+			o, err := p.parseOrder()
+			if err != nil {
+				return Query{}, err
+			}
+			q.Order = append(q.Order, o)
+
+			if !p.eat(",") {
+				break
+			}
+		}
+	}
+
+	if p.eat("LIMIT") {
+		// "only literal or parameter values"
+		// https://cloud.google.com/spanner/docs/query-syntax#limit-clause-and-offset-clause
+
+		lim, err := p.parseLiteralOrParam()
+		if err != nil {
+			return Query{}, err
+		}
+		q.Limit = lim
+
+		if p.eat("OFFSET") {
+			off, err := p.parseLiteralOrParam()
+			if err != nil {
+				return Query{}, err
+			}
+			q.Offset = off
+		}
+	}
+
+	return q, nil
+}
+
+func (p *parser) parseSelect() (Select, *parseError) {
+	debugf("parseSelect: %v", p)
+
+	/*
+		select:
+			SELECT  [{ ALL | DISTINCT }]
+				{ [ expression. ]* | expression [ [ AS ] alias ] } [, ...]
+			[ FROM from_item [ tablesample_type ] [, ...] ]
+			[ WHERE bool_expression ]
+			[ GROUP BY expression [, ...] ]
+			[ HAVING bool_expression ]
+	*/
+	if err := p.expect("SELECT"); err != nil {
+		return Select{}, err
+	}
+
+	var sel Select
+
+	if p.eat("ALL") {
+		// Nothing to do; this is the default.
+	} else if p.eat("DISTINCT") {
+		sel.Distinct = true
+	}
+
+	// Read expressions for the SELECT list.
+	list, aliases, err := p.parseSelectList()
+	if err != nil {
+		return Select{}, err
+	}
+	sel.List, sel.ListAliases = list, aliases
+
+	if p.eat("FROM") {
+		padTS := func() {
+			for len(sel.TableSamples) < len(sel.From) {
+				sel.TableSamples = append(sel.TableSamples, nil)
+			}
+		}
+
+		for {
+			from, err := p.parseSelectFrom()
+			if err != nil {
+				return Select{}, err
+			}
+			sel.From = append(sel.From, from)
+
+			if p.sniff("TABLESAMPLE") {
+				ts, err := p.parseTableSample()
+				if err != nil {
+					return Select{}, err
+				}
+				padTS()
+				sel.TableSamples[len(sel.TableSamples)-1] = &ts
+			}
+
+			if p.eat(",") {
+				continue
+			}
+			break
+		}
+
+		if sel.TableSamples != nil {
+			padTS()
+		}
+	}
+
+	if p.eat("WHERE") {
+		where, err := p.parseBoolExpr()
+		if err != nil {
+			return Select{}, err
+		}
+		sel.Where = where
+	}
+
+	if p.eat("GROUP", "BY") {
+		list, err := p.parseExprList()
+		if err != nil {
+			return Select{}, err
+		}
+		sel.GroupBy = list
+	}
+
+	// TODO: HAVING
+
+	return sel, nil
+}
+
+func (p *parser) parseSelectList() ([]Expr, []ID, *parseError) {
+	var list []Expr
+	var aliases []ID // Only set if any aliases are seen.
+	padAliases := func() {
+		for len(aliases) < len(list) {
+			aliases = append(aliases, "")
+		}
+	}
+
+	for {
+		expr, err := p.parseExpr()
+		if err != nil {
+			return nil, nil, err
+		}
+		list = append(list, expr)
+
+		// TODO: The "AS" keyword is optional.
+		if p.eat("AS") {
+			alias, err := p.parseAlias()
+			if err != nil {
+				return nil, nil, err
+			}
+
+			padAliases()
+			aliases[len(aliases)-1] = alias
+		}
+
+		if p.eat(",") {
+			continue
+		}
+		break
+	}
+	if aliases != nil {
+		padAliases()
+	}
+	return list, aliases, nil
+}
+
+func (p *parser) parseSelectFromTable() (SelectFrom, *parseError) {
+	if p.eat("UNNEST") {
+		if err := p.expect("("); err != nil {
+			return nil, err
+		}
+		e, err := p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		if err := p.expect(")"); err != nil {
+			return nil, err
+		}
+		sfu := SelectFromUnnest{Expr: e}
+		if p.eat("AS") { // TODO: The "AS" keyword is optional.
+			alias, err := p.parseAlias()
+			if err != nil {
+				return nil, err
+			}
+			sfu.Alias = alias
+		}
+		// TODO: hint, offset
+		return sfu, nil
+	}
+
+	// A join starts with a from_item, so that can't be detected in advance.
+	// TODO: Support subquery, field_path, array_path, WITH.
+	// TODO: Verify associativity of multile joins.
+
+	tname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return nil, err
+	}
+	sf := SelectFromTable{Table: tname}
+	if p.eat("@") {
+		hints, err := p.parseHints(map[string]string{})
+		if err != nil {
+			return nil, err
+		}
+		sf.Hints = hints
+	}
+
+	// TODO: The "AS" keyword is optional.
+	if p.eat("AS") {
+		alias, err := p.parseAlias()
+		if err != nil {
+			return nil, err
+		}
+		sf.Alias = alias
+	}
+	return sf, nil
+}
+
+func (p *parser) parseSelectFromJoin(lhs SelectFrom) (SelectFrom, *parseError) {
+	// Look ahead to see if this is a join.
+	tok := p.next()
+	if tok.err != nil {
+		p.back()
+		return nil, nil
+	}
+	var hashJoin bool // Special case for "HASH JOIN" syntax.
+	if tok.caseEqual("HASH") {
+		hashJoin = true
+		tok = p.next()
+		if tok.err != nil {
+			return nil, tok.err
+		}
+	}
+	var jt JoinType
+	if tok.caseEqual("JOIN") {
+		// This is implicitly an inner join.
+		jt = InnerJoin
+	} else if j, ok := joinKeywords[tok.value]; ok {
+		jt = j
+		switch jt {
+		case FullJoin, LeftJoin, RightJoin:
+			// These join types are implicitly "outer" joins,
+			// so the "OUTER" keyword is optional.
+			p.eat("OUTER")
+		}
+		if err := p.expect("JOIN"); err != nil {
+			return nil, err
+		}
+	} else {
+		// Not a join
+		p.back()
+		return nil, nil
+	}
+	sfj := SelectFromJoin{
+		Type: jt,
+		LHS:  lhs,
+	}
+	var hints map[string]string
+	if hashJoin {
+		hints = map[string]string{}
+		hints["JOIN_METHOD"] = "HASH_JOIN"
+	}
+
+	if p.eat("@") {
+		h, err := p.parseHints(hints)
+		if err != nil {
+			return nil, err
+		}
+		hints = h
+	}
+	sfj.Hints = hints
+
+	rhs, err := p.parseSelectFromTable()
+	if err != nil {
+		return nil, err
+	}
+
+	sfj.RHS = rhs
+
+	if p.eat("ON") {
+		sfj.On, err = p.parseBoolExpr()
+		if err != nil {
+			return nil, err
+		}
+	}
+	if p.eat("USING") {
+		if sfj.On != nil {
+			return nil, p.errorf("join may not have both ON and USING clauses")
+		}
+		sfj.Using, err = p.parseColumnNameList()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return sfj, nil
+}
+
+func (p *parser) parseSelectFrom() (SelectFrom, *parseError) {
+	debugf("parseSelectFrom: %v", p)
+
+	/*
+		from_item: {
+			table_name [ table_hint_expr ] [ [ AS ] alias ] |
+			join |
+			( query_expr ) [ table_hint_expr ] [ [ AS ] alias ] |
+			field_path |
+			{ UNNEST( array_expression ) | UNNEST( array_path ) | array_path }
+				[ table_hint_expr ] [ [ AS ] alias ] [ WITH OFFSET [ [ AS ] alias ] ] |
+			with_query_name [ table_hint_expr ] [ [ AS ] alias ]
+		}
+
+		join:
+			from_item [ join_type ] [ join_method ] JOIN  [ join_hint_expr ] from_item
+				[ ON bool_expression | USING ( join_column [, ...] ) ]
+
+		join_type:
+			{ INNER | CROSS | FULL [OUTER] | LEFT [OUTER] | RIGHT [OUTER] }
+	*/
+	leftHandSide, err := p.parseSelectFromTable()
+	if err != nil {
+		return nil, err
+	}
+	// Lets keep consuming joins until we no longer find more joins
+	for {
+		sfj, err := p.parseSelectFromJoin(leftHandSide)
+		if err != nil {
+			return nil, err
+		}
+		if sfj == nil {
+			// There was no join to consume
+			break
+		}
+		leftHandSide = sfj
+	}
+	return leftHandSide, nil
+}
+
+var joinKeywords = map[string]JoinType{
+	"INNER": InnerJoin,
+	"CROSS": CrossJoin,
+	"FULL":  FullJoin,
+	"LEFT":  LeftJoin,
+	"RIGHT": RightJoin,
+}
+
+func (p *parser) parseTableSample() (TableSample, *parseError) {
+	var ts TableSample
+
+	if err := p.expect("TABLESAMPLE"); err != nil {
+		return ts, err
+	}
+
+	tok := p.next()
+	switch {
+	case tok.err != nil:
+		return ts, tok.err
+	case tok.caseEqual("BERNOULLI"):
+		ts.Method = Bernoulli
+	case tok.caseEqual("RESERVOIR"):
+		ts.Method = Reservoir
+	default:
+		return ts, p.errorf("got %q, want BERNOULLI or RESERVOIR", tok.value)
+	}
+
+	if err := p.expect("("); err != nil {
+		return ts, err
+	}
+
+	// The docs say "numeric_value_expression" here,
+	// but that doesn't appear to be defined anywhere.
+	size, err := p.parseExpr()
+	if err != nil {
+		return ts, err
+	}
+	ts.Size = size
+
+	tok = p.next()
+	switch {
+	case tok.err != nil:
+		return ts, tok.err
+	case tok.caseEqual("PERCENT"):
+		ts.SizeType = PercentTableSample
+	case tok.caseEqual("ROWS"):
+		ts.SizeType = RowsTableSample
+	default:
+		return ts, p.errorf("got %q, want PERCENT or ROWS", tok.value)
+	}
+
+	if err := p.expect(")"); err != nil {
+		return ts, err
+	}
+
+	return ts, nil
+}
+
+func (p *parser) parseOrder() (Order, *parseError) {
+	/*
+		expression [{ ASC | DESC }]
+	*/
+
+	expr, err := p.parseExpr()
+	if err != nil {
+		return Order{}, err
+	}
+	o := Order{Expr: expr}
+
+	if p.eat("ASC") {
+		// OK.
+	} else if p.eat("DESC") {
+		o.Desc = true
+	}
+
+	return o, nil
+}
+
+func (p *parser) parseLiteralOrParam() (LiteralOrParam, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	if tok.typ == int64Token {
+		n, err := strconv.ParseInt(tok.value, tok.int64Base, 64)
+		if err != nil {
+			return nil, p.errorf("%v", err)
+		}
+		return IntegerLiteral(n), nil
+	}
+	// TODO: check character sets.
+	if strings.HasPrefix(tok.value, "@") {
+		return Param(tok.value[1:]), nil
+	}
+	return nil, p.errorf("got %q, want literal or parameter", tok.value)
+}
+
+func (p *parser) parseExprList() ([]Expr, *parseError) {
+	var list []Expr
+	for {
+		expr, err := p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		list = append(list, expr)
+
+		if p.eat(",") {
+			continue
+		}
+		break
+	}
+	return list, nil
+}
+
+func (p *parser) parseParenExprList() ([]Expr, *parseError) {
+	return p.parseParenExprListWithParseFunc(func(p *parser) (Expr, *parseError) {
+		return p.parseExpr()
+	})
+}
+
+func (p *parser) parseParenExprListWithParseFunc(f func(*parser) (Expr, *parseError)) ([]Expr, *parseError) {
+	var list []Expr
+	err := p.parseCommaList("(", ")", func(p *parser) *parseError {
+		e, err := f(p)
+		if err != nil {
+			return err
+		}
+		list = append(list, e)
+		return nil
+	})
+	return list, err
+}
+
+// Special argument parser for CAST and SAFE_CAST
+var typedArgParser = func(p *parser) (Expr, *parseError) {
+	e, err := p.parseExpr()
+	if err != nil {
+		return nil, err
+	}
+	if err := p.expect("AS"); err != nil {
+		return nil, err
+	}
+	// typename in cast function must not be parameterized types
+	toType, err := p.parseBaseType()
+	if err != nil {
+		return nil, err
+	}
+	return TypedExpr{
+		Expr: e,
+		Type: toType,
+	}, nil
+}
+
+// Special argument parser for EXTRACT
+var extractArgParser = func(p *parser) (Expr, *parseError) {
+	partType, part, err := p.parseExtractType()
+	if err != nil {
+		return nil, err
+	}
+	if err := p.expect("FROM"); err != nil {
+		return nil, err
+	}
+	e, err := p.parseExpr()
+	if err != nil {
+		return nil, err
+	}
+	// AT TIME ZONE is optional
+	if p.eat("AT", "TIME", "ZONE") {
+		tok := p.next()
+		if tok.err != nil {
+			return nil, err
+		}
+		return ExtractExpr{Part: part, Type: partType, Expr: AtTimeZoneExpr{Expr: e, Zone: tok.string, Type: Type{Base: Timestamp}}}, nil
+	}
+	return ExtractExpr{
+		Part: part,
+		Expr: e,
+		Type: partType,
+	}, nil
+}
+
+var intervalArgParser = func(parseDatePart func(*parser) (string, *parseError)) func(*parser) (Expr, *parseError) {
+	return func(p *parser) (Expr, *parseError) {
+		if p.eat("INTERVAL") {
+			expr, err := p.parseExpr()
+			if err != nil {
+				return nil, err
+			}
+			datePart, err := parseDatePart(p)
+			if err != nil {
+				return nil, err
+			}
+			return IntervalExpr{Expr: expr, DatePart: datePart}, nil
+		}
+		return p.parseExpr()
+	}
+}
+
+var dateIntervalDateParts map[string]bool = map[string]bool{
+	"DAY":     true,
+	"WEEK":    true,
+	"MONTH":   true,
+	"QUARTER": true,
+	"YEAR":    true,
+}
+
+func (p *parser) parseDateIntervalDatePart() (string, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return "", tok.err
+	}
+	if dateIntervalDateParts[strings.ToUpper(tok.value)] {
+		return strings.ToUpper(tok.value), nil
+	}
+	return "", p.errorf("got %q, want valid date part names", tok.value)
+}
+
+var timestampIntervalDateParts map[string]bool = map[string]bool{
+	"NANOSECOND":  true,
+	"MICROSECOND": true,
+	"MILLISECOND": true,
+	"SECOND":      true,
+	"MINUTE":      true,
+	"HOUR":        true,
+	"DAY":         true,
+}
+
+func (p *parser) parseTimestampIntervalDatePart() (string, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return "", tok.err
+	}
+	if timestampIntervalDateParts[strings.ToUpper(tok.value)] {
+		return strings.ToUpper(tok.value), nil
+	}
+	return "", p.errorf("got %q, want valid date part names", tok.value)
+}
+
+// Special argument parser for DATE_ADD, DATE_SUB
+var dateIntervalArgParser = intervalArgParser((*parser).parseDateIntervalDatePart)
+
+// Special argument parser for TIMESTAMP_ADD, TIMESTAMP_SUB
+var timestampIntervalArgParser = intervalArgParser((*parser).parseTimestampIntervalDatePart)
+
+var sequenceArgParser = func(p *parser) (Expr, *parseError) {
+	if p.eat("SEQUENCE") {
+		name, err := p.parseTableOrIndexOrColumnName()
+		if err != nil {
+			return nil, err
+		}
+		return SequenceExpr{Name: name}, nil
+	}
+	return p.parseExpr()
+}
+
+func (p *parser) parseAggregateFunc() (Func, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return Func{}, tok.err
+	}
+	name := strings.ToUpper(tok.value)
+	if err := p.expect("("); err != nil {
+		return Func{}, err
+	}
+	var distinct bool
+	if p.eat("DISTINCT") {
+		distinct = true
+	}
+	args, err := p.parseExprList()
+	if err != nil {
+		return Func{}, err
+	}
+	var nullsHandling NullsHandling
+	if p.eat("IGNORE", "NULLS") {
+		nullsHandling = IgnoreNulls
+	} else if p.eat("RESPECT", "NULLS") {
+		nullsHandling = RespectNulls
+	}
+	var having *AggregateHaving
+	if p.eat("HAVING") {
+		tok := p.next()
+		if tok.err != nil {
+			return Func{}, tok.err
+		}
+		var cond AggregateHavingCondition
+		switch tok.value {
+		case "MAX":
+			cond = HavingMax
+		case "MIN":
+			cond = HavingMin
+		default:
+			return Func{}, p.errorf("got %q, want MAX or MIN", tok.value)
+		}
+		expr, err := p.parseExpr()
+		if err != nil {
+			return Func{}, err
+		}
+		having = &AggregateHaving{
+			Condition: cond,
+			Expr:      expr,
+		}
+	}
+	if err := p.expect(")"); err != nil {
+		return Func{}, err
+	}
+	return Func{
+		Name:          name,
+		Args:          args,
+		Distinct:      distinct,
+		NullsHandling: nullsHandling,
+		Having:        having,
+	}, nil
+}
+
+/*
+Expressions
+
+Cloud Spanner expressions are not formally specified.
+The set of operators and their precedence is listed in
+https://cloud.google.com/spanner/docs/functions-and-operators#operators.
+
+parseExpr works as a classical recursive descent parser, splitting
+precedence levels into separate methods, where the call stack is in
+ascending order of precedence:
+	parseExpr
+	orParser
+	andParser
+	parseIsOp
+	parseInOp
+	parseComparisonOp
+	parseArithOp: |, ^, &, << and >>, + and -, * and / and ||
+	parseUnaryArithOp: - and ~
+	parseLit
+*/
+
+func (p *parser) parseExpr() (Expr, *parseError) {
+	debugf("parseExpr: %v", p)
+
+	return orParser.parse(p)
+}
+
+// binOpParser is a generic meta-parser for binary operations.
+// It assumes the operation is left associative.
+type binOpParser struct {
+	LHS, RHS func(*parser) (Expr, *parseError)
+	Op       string
+	ArgCheck func(Expr) error
+	Combiner func(lhs, rhs Expr) Expr
+}
+
+func (bin binOpParser) parse(p *parser) (Expr, *parseError) {
+	expr, err := bin.LHS(p)
+	if err != nil {
+		return nil, err
+	}
+
+	for {
+		if !p.eat(bin.Op) {
+			break
+		}
+		rhs, err := bin.RHS(p)
+		if err != nil {
+			return nil, err
+		}
+		if bin.ArgCheck != nil {
+			if err := bin.ArgCheck(expr); err != nil {
+				return nil, p.errorf("%v", err)
+			}
+			if err := bin.ArgCheck(rhs); err != nil {
+				return nil, p.errorf("%v", err)
+			}
+		}
+		expr = bin.Combiner(expr, rhs)
+	}
+	return expr, nil
+}
+
+// Break initialisation loop.
+func init() { orParser = orParserShim }
+
+var (
+	boolExprCheck = func(expr Expr) error {
+		if _, ok := expr.(BoolExpr); !ok {
+			return fmt.Errorf("got %T, want a boolean expression", expr)
+		}
+		return nil
+	}
+
+	orParser binOpParser
+
+	orParserShim = binOpParser{
+		LHS:      andParser.parse,
+		RHS:      andParser.parse,
+		Op:       "OR",
+		ArgCheck: boolExprCheck,
+		Combiner: func(lhs, rhs Expr) Expr {
+			return LogicalOp{LHS: lhs.(BoolExpr), Op: Or, RHS: rhs.(BoolExpr)}
+		},
+	}
+	andParser = binOpParser{
+		LHS:      (*parser).parseLogicalNot,
+		RHS:      (*parser).parseLogicalNot,
+		Op:       "AND",
+		ArgCheck: boolExprCheck,
+		Combiner: func(lhs, rhs Expr) Expr {
+			return LogicalOp{LHS: lhs.(BoolExpr), Op: And, RHS: rhs.(BoolExpr)}
+		},
+	}
+
+	bitOrParser  = newBinArithParser("|", BitOr, bitXorParser.parse)
+	bitXorParser = newBinArithParser("^", BitXor, bitAndParser.parse)
+	bitAndParser = newBinArithParser("&", BitAnd, bitShrParser.parse)
+	bitShrParser = newBinArithParser(">>", BitShr, bitShlParser.parse)
+	bitShlParser = newBinArithParser("<<", BitShl, subParser.parse)
+	subParser    = newBinArithParser("-", Sub, addParser.parse)
+	addParser    = newBinArithParser("+", Add, concatParser.parse)
+	concatParser = newBinArithParser("||", Concat, divParser.parse)
+	divParser    = newBinArithParser("/", Div, mulParser.parse)
+	mulParser    = newBinArithParser("*", Mul, (*parser).parseUnaryArithOp)
+)
+
+func newBinArithParser(opStr string, op ArithOperator, nextPrec func(*parser) (Expr, *parseError)) binOpParser {
+	return binOpParser{
+		LHS: nextPrec,
+		RHS: nextPrec,
+		Op:  opStr,
+		// TODO: ArgCheck? numeric inputs only, except for ||.
+		Combiner: func(lhs, rhs Expr) Expr {
+			return ArithOp{LHS: lhs, Op: op, RHS: rhs}
+		},
+	}
+}
+
+func (p *parser) parseLogicalNot() (Expr, *parseError) {
+	if !p.eat("NOT") {
+		return p.parseIsOp()
+	}
+	be, err := p.parseBoolExpr()
+	if err != nil {
+		return nil, err
+	}
+	return LogicalOp{Op: Not, RHS: be}, nil
+}
+
+func (p *parser) parseIsOp() (Expr, *parseError) {
+	debugf("parseIsOp: %v", p)
+
+	expr, err := p.parseInOp()
+	if err != nil {
+		return nil, err
+	}
+
+	if !p.eat("IS") {
+		return expr, nil
+	}
+
+	isOp := IsOp{LHS: expr}
+	if p.eat("NOT") {
+		isOp.Neg = true
+	}
+
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+	switch {
+	case tok.caseEqual("NULL"):
+		isOp.RHS = Null
+	case tok.caseEqual("TRUE"):
+		isOp.RHS = True
+	case tok.caseEqual("FALSE"):
+		isOp.RHS = False
+	default:
+		return nil, p.errorf("got %q, want NULL or TRUE or FALSE", tok.value)
+	}
+
+	return isOp, nil
+}
+
+func (p *parser) parseInOp() (Expr, *parseError) {
+	debugf("parseInOp: %v", p)
+
+	expr, err := p.parseComparisonOp()
+	if err != nil {
+		return nil, err
+	}
+
+	inOp := InOp{LHS: expr}
+	if p.eat("NOT", "IN") {
+		inOp.Neg = true
+	} else if p.eat("IN") {
+		// Okay.
+	} else {
+		return expr, nil
+	}
+
+	if p.eat("UNNEST") {
+		inOp.Unnest = true
+	}
+
+	inOp.RHS, err = p.parseParenExprList()
+	if err != nil {
+		return nil, err
+	}
+	return inOp, nil
+}
+
+var symbolicOperators = map[string]ComparisonOperator{
+	"<":  Lt,
+	"<=": Le,
+	">":  Gt,
+	">=": Ge,
+	"=":  Eq,
+	"!=": Ne,
+	"<>": Ne,
+}
+
+func (p *parser) parseComparisonOp() (Expr, *parseError) {
+	debugf("parseComparisonOp: %v", p)
+
+	expr, err := p.parseArithOp()
+	if err != nil {
+		return nil, err
+	}
+
+	for {
+		// There's a need for two token lookahead.
+		var op ComparisonOperator
+		var rhs2 bool
+		if p.eat("NOT", "LIKE") {
+			op = NotLike
+		} else if p.eat("NOT", "BETWEEN") {
+			op, rhs2 = NotBetween, true
+		} else if p.eat("LIKE") {
+			op = Like
+		} else if p.eat("BETWEEN") {
+			op, rhs2 = Between, true
+		} else {
+			// Check for a symbolic operator.
+			tok := p.next()
+			if tok.err != nil {
+				p.back()
+				break
+			}
+			var ok bool
+			op, ok = symbolicOperators[tok.value]
+			if !ok {
+				p.back()
+				break
+			}
+		}
+
+		rhs, err := p.parseArithOp()
+		if err != nil {
+			return nil, err
+		}
+		co := ComparisonOp{LHS: expr, Op: op, RHS: rhs}
+
+		if rhs2 {
+			if err := p.expect("AND"); err != nil {
+				return nil, err
+			}
+			rhs2, err := p.parseArithOp()
+			if err != nil {
+				return nil, err
+			}
+			co.RHS2 = rhs2
+		}
+
+		expr = co
+	}
+	return expr, nil
+}
+
+func (p *parser) parseArithOp() (Expr, *parseError) {
+	return bitOrParser.parse(p)
+}
+
+var unaryArithOperators = map[string]ArithOperator{
+	"-": Neg,
+	"~": BitNot,
+	"+": Plus,
+}
+
+func (p *parser) parseUnaryArithOp() (Expr, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+
+	op := tok.value
+
+	if op == "-" || op == "+" {
+		// If the next token is a numeric token, combine and parse as a literal.
+		ntok := p.next()
+		if ntok.err == nil {
+			switch ntok.typ {
+			case int64Token:
+				comb := op + ntok.value
+				n, err := strconv.ParseInt(comb, ntok.int64Base, 64)
+				if err != nil {
+					return nil, p.errorf("%v", err)
+				}
+				return IntegerLiteral(n), nil
+			case float64Token:
+				f := ntok.float64
+				if op == "-" {
+					f = -f
+				}
+				return FloatLiteral(f), nil
+			}
+		}
+		// It is not possible for the p.back() lower down to fire
+		// because - and + are in unaryArithOperators.
+		p.back()
+	}
+
+	if op, ok := unaryArithOperators[op]; ok {
+		e, err := p.parseLit()
+		if err != nil {
+			return nil, err
+		}
+		return ArithOp{Op: op, RHS: e}, nil
+	}
+	p.back()
+
+	return p.parseLit()
+}
+
+func (p *parser) parseLit() (Expr, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return nil, tok.err
+	}
+
+	switch tok.typ {
+	case int64Token:
+		n, err := strconv.ParseInt(tok.value, tok.int64Base, 64)
+		if err != nil {
+			return nil, p.errorf("%v", err)
+		}
+		return IntegerLiteral(n), nil
+	case float64Token:
+		return FloatLiteral(tok.float64), nil
+	case stringToken:
+		return StringLiteral(tok.string), nil
+	case bytesToken:
+		return BytesLiteral(tok.string), nil
+	}
+
+	// Handle parenthesized expressions.
+	if tok.value == "(" {
+		e, err := p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		if err := p.expect(")"); err != nil {
+			return nil, err
+		}
+		return Paren{Expr: e}, nil
+	}
+
+	// If the literal was an identifier, and there's an open paren next,
+	// this is a function invocation.
+	// The `funcs` map is keyed by upper case strings.
+	if name := strings.ToUpper(tok.value); funcs[name] && p.sniff("(") {
+		if aggregateFuncs[name] {
+			p.back()
+			return p.parseAggregateFunc()
+		}
+		var list []Expr
+		var err *parseError
+		if f, ok := funcArgParsers[name]; ok {
+			list, err = p.parseParenExprListWithParseFunc(f)
+		} else {
+			list, err = p.parseParenExprList()
+		}
+		if err != nil {
+			return nil, err
+		}
+		return Func{
+			Name: name,
+			Args: list,
+		}, nil
+	}
+
+	// Handle some reserved keywords and special tokens that become specific values.
+	switch {
+	case tok.caseEqual("TRUE"):
+		return True, nil
+	case tok.caseEqual("FALSE"):
+		return False, nil
+	case tok.caseEqual("NULL"):
+		return Null, nil
+	case tok.value == "*":
+		return Star, nil
+	default:
+		// TODO: Check IsKeyWord(tok.value), and return a good error?
+	}
+
+	// Handle conditional expressions.
+	switch {
+	case tok.caseEqual("CASE"):
+		p.back()
+		return p.parseCaseExpr()
+	case tok.caseEqual("COALESCE"):
+		p.back()
+		return p.parseCoalesceExpr()
+	case tok.caseEqual("IF"):
+		p.back()
+		return p.parseIfExpr()
+	case tok.caseEqual("IFNULL"):
+		p.back()
+		return p.parseIfNullExpr()
+	case tok.caseEqual("NULLIF"):
+		p.back()
+		return p.parseNullIfExpr()
+	}
+
+	// Handle typed literals.
+	switch {
+	case tok.caseEqual("ARRAY") || tok.value == "[":
+		p.back()
+		return p.parseArrayLit()
+	case tok.caseEqual("DATE"):
+		if p.sniffTokenType(stringToken) {
+			p.back()
+			return p.parseDateLit()
+		}
+	case tok.caseEqual("TIMESTAMP"):
+		if p.sniffTokenType(stringToken) {
+			p.back()
+			return p.parseTimestampLit()
+		}
+	case tok.caseEqual("JSON"):
+		if p.sniffTokenType(stringToken) {
+			p.back()
+			return p.parseJSONLit()
+		}
+	}
+
+	// TODO: struct literals
+
+	// Try a parameter.
+	// TODO: check character sets.
+	if strings.HasPrefix(tok.value, "@") {
+		return Param(tok.value[1:]), nil
+	}
+
+	// Only thing left is a path expression or standalone identifier.
+	p.back()
+	pe, err := p.parsePathExp()
+	if err != nil {
+		return nil, err
+	}
+	if len(pe) == 1 {
+		return pe[0], nil // identifier
+	}
+	return pe, nil
+}
+
+func (p *parser) parseCaseExpr() (Case, *parseError) {
+	if err := p.expect("CASE"); err != nil {
+		return Case{}, err
+	}
+
+	var expr Expr
+	if !p.sniff("WHEN") {
+		var err *parseError
+		expr, err = p.parseExpr()
+		if err != nil {
+			return Case{}, err
+		}
+	}
+
+	when, err := p.parseWhenClause()
+	if err != nil {
+		return Case{}, err
+	}
+	whens := []WhenClause{when}
+	for p.sniff("WHEN") {
+		when, err := p.parseWhenClause()
+		if err != nil {
+			return Case{}, err
+		}
+		whens = append(whens, when)
+	}
+
+	var elseResult Expr
+	if p.sniff("ELSE") {
+		p.eat("ELSE")
+		var err *parseError
+		elseResult, err = p.parseExpr()
+		if err != nil {
+			return Case{}, err
+		}
+	}
+
+	if err := p.expect("END"); err != nil {
+		return Case{}, err
+	}
+
+	return Case{
+		Expr:        expr,
+		WhenClauses: whens,
+		ElseResult:  elseResult,
+	}, nil
+}
+
+func (p *parser) parseWhenClause() (WhenClause, *parseError) {
+	if err := p.expect("WHEN"); err != nil {
+		return WhenClause{}, err
+	}
+	cond, err := p.parseExpr()
+	if err != nil {
+		return WhenClause{}, err
+	}
+	if err := p.expect("THEN"); err != nil {
+		return WhenClause{}, err
+	}
+	result, err := p.parseExpr()
+	if err != nil {
+		return WhenClause{}, err
+	}
+	return WhenClause{Cond: cond, Result: result}, nil
+}
+
+func (p *parser) parseCoalesceExpr() (Coalesce, *parseError) {
+	if err := p.expect("COALESCE"); err != nil {
+		return Coalesce{}, err
+	}
+	exprList, err := p.parseParenExprList()
+	if err != nil {
+		return Coalesce{}, err
+	}
+	return Coalesce{ExprList: exprList}, nil
+}
+
+func (p *parser) parseIfExpr() (If, *parseError) {
+	if err := p.expect("IF", "("); err != nil {
+		return If{}, err
+	}
+
+	expr, err := p.parseBoolExpr()
+	if err != nil {
+		return If{}, err
+	}
+	if err := p.expect(","); err != nil {
+		return If{}, err
+	}
+
+	trueResult, err := p.parseExpr()
+	if err != nil {
+		return If{}, err
+	}
+	if err := p.expect(","); err != nil {
+		return If{}, err
+	}
+
+	elseResult, err := p.parseExpr()
+	if err != nil {
+		return If{}, err
+	}
+	if err := p.expect(")"); err != nil {
+		return If{}, err
+	}
+
+	return If{Expr: expr, TrueResult: trueResult, ElseResult: elseResult}, nil
+}
+
+func (p *parser) parseIfNullExpr() (IfNull, *parseError) {
+	if err := p.expect("IFNULL", "("); err != nil {
+		return IfNull{}, err
+	}
+
+	expr, err := p.parseExpr()
+	if err != nil {
+		return IfNull{}, err
+	}
+	if err := p.expect(","); err != nil {
+		return IfNull{}, err
+	}
+
+	nullResult, err := p.parseExpr()
+	if err != nil {
+		return IfNull{}, err
+	}
+	if err := p.expect(")"); err != nil {
+		return IfNull{}, err
+	}
+
+	return IfNull{Expr: expr, NullResult: nullResult}, nil
+}
+
+func (p *parser) parseNullIfExpr() (NullIf, *parseError) {
+	if err := p.expect("NULLIF", "("); err != nil {
+		return NullIf{}, err
+	}
+
+	expr, err := p.parseExpr()
+	if err != nil {
+		return NullIf{}, err
+	}
+	if err := p.expect(","); err != nil {
+		return NullIf{}, err
+	}
+
+	exprToMatch, err := p.parseExpr()
+	if err != nil {
+		return NullIf{}, err
+	}
+	if err := p.expect(")"); err != nil {
+		return NullIf{}, err
+	}
+
+	return NullIf{Expr: expr, ExprToMatch: exprToMatch}, nil
+}
+
+func (p *parser) parseArrayLit() (Array, *parseError) {
+	// ARRAY keyword is optional.
+	// TODO: If it is present, consume any <T> after it.
+	p.eat("ARRAY")
+
+	var arr Array
+	err := p.parseCommaList("[", "]", func(p *parser) *parseError {
+		e, err := p.parseLit()
+		if err != nil {
+			return err
+		}
+		// TODO: Do type consistency checking here?
+		arr = append(arr, e)
+		return nil
+	})
+	return arr, err
+}
+
+// TODO: There should be exported Parse{Date,Timestamp}Literal package-level funcs
+// to support spannertest coercing plain string literals when used in a typed context.
+// Those should wrap parseDateLit and parseTimestampLit below.
+
+func (p *parser) parseDateLit() (DateLiteral, *parseError) {
+	if err := p.expect("DATE"); err != nil {
+		return DateLiteral{}, err
+	}
+	s, err := p.parseStringLit()
+	if err != nil {
+		return DateLiteral{}, err
+	}
+	d, perr := civil.ParseDate(string(s))
+	if perr != nil {
+		return DateLiteral{}, p.errorf("bad date literal %q: %v", s, perr)
+	}
+	// TODO: Enforce valid range.
+	return DateLiteral(d), nil
+}
+
+// TODO: A manual parser is probably better than this.
+// There are a lot of variations that this does not handle.
+var timestampFormats = []string{
+	// 'YYYY-[M]M-[D]D [[H]H:[M]M:[S]S[.DDDDDD] [timezone]]'
+	"2006-01-02",
+	"2006-01-02 15:04:05",
+	"2006-01-02 15:04:05.000000",
+	"2006-01-02 15:04:05-07:00",
+	"2006-01-02 15:04:05.000000-07:00",
+}
+
+var defaultLocation = func() *time.Location {
+	// The docs say "America/Los_Angeles" is the default.
+	// Use that if we can load it, but fall back on UTC if we don't have timezone data.
+	loc, err := time.LoadLocation("America/Los_Angeles")
+	if err == nil {
+		return loc
+	}
+	return time.UTC
+}()
+
+func (p *parser) parseTimestampLit() (TimestampLiteral, *parseError) {
+	if err := p.expect("TIMESTAMP"); err != nil {
+		return TimestampLiteral{}, err
+	}
+	s, err := p.parseStringLit()
+	if err != nil {
+		return TimestampLiteral{}, err
+	}
+	for _, format := range timestampFormats {
+		t, err := time.ParseInLocation(format, string(s), defaultLocation)
+		if err == nil {
+			// TODO: Enforce valid range.
+			return TimestampLiteral(t), nil
+		}
+	}
+	return TimestampLiteral{}, p.errorf("invalid timestamp literal %q", s)
+}
+
+func (p *parser) parseJSONLit() (JSONLiteral, *parseError) {
+	if err := p.expect("JSON"); err != nil {
+		return JSONLiteral{}, err
+	}
+	s, err := p.parseStringLit()
+	if err != nil {
+		return JSONLiteral{}, err
+	}
+	// It is not guaranteed that the returned JSONLiteral is a valid JSON document
+	// to avoid error due to parsing SQL generated with an invalid JSONLiteral like JSONLiteral("")
+	return JSONLiteral(s), nil
+}
+
+func (p *parser) parseStringLit() (StringLiteral, *parseError) {
+	tok := p.next()
+	if tok.err != nil {
+		return "", tok.err
+	}
+	if tok.typ != stringToken {
+		return "", p.errorf("got %q, want string literal", tok.value)
+	}
+	return StringLiteral(tok.string), nil
+}
+
+func (p *parser) parsePathExp() (PathExp, *parseError) {
+	var pe PathExp
+	for {
+		tok := p.next()
+		if tok.err != nil {
+			return nil, tok.err
+		}
+		switch tok.typ {
+		case quotedID:
+			pe = append(pe, ID(tok.string))
+		case unquotedID:
+			pe = append(pe, ID(tok.value))
+		default:
+			// TODO: Is this correct?
+			return nil, p.errorf("expected identifer")
+		}
+		if !p.eat(".") {
+			break
+		}
+	}
+	return pe, nil
+}
+
+func (p *parser) parseBoolExpr() (BoolExpr, *parseError) {
+	expr, err := p.parseExpr()
+	if err != nil {
+		return nil, err
+	}
+	be, ok := expr.(BoolExpr)
+	if !ok {
+		return nil, p.errorf("got non-bool expression %T", expr)
+	}
+	return be, nil
+}
+
+func (p *parser) parseAlias() (ID, *parseError) {
+	// The docs don't specify what lexical token is valid for an alias,
+	// but it seems likely that it is an identifier.
+	return p.parseTableOrIndexOrColumnName()
+}
+
+func (p *parser) parseHints(hints map[string]string) (map[string]string, *parseError) {
+	if hints == nil {
+		hints = map[string]string{}
+	}
+	if err := p.expect("{"); err != nil {
+		return nil, err
+	}
+	for {
+		if p.sniff("}") {
+			break
+		}
+		tok := p.next()
+		if tok.err != nil {
+			return nil, tok.err
+		}
+		k := tok.value
+		if err := p.expect("="); err != nil {
+			return nil, err
+		}
+		tok = p.next()
+		if tok.err != nil {
+			return nil, tok.err
+		}
+		v := tok.value
+		hints[k] = v
+		if !p.eat(",") {
+			break
+		}
+	}
+	if err := p.expect("}"); err != nil {
+		return nil, err
+	}
+	return hints, nil
+}
+
+func (p *parser) parseTableOrIndexOrColumnName() (ID, *parseError) {
+	/*
+		table_name and column_name and index_name and role_name:
+				{a—z|A—Z}[{a—z|A—Z|0—9|_}+]
+	*/
+
+	tok := p.next()
+	if tok.err != nil {
+		return "", tok.err
+	}
+	switch tok.typ {
+	case quotedID:
+		return ID(tok.string), nil
+	case unquotedID:
+		// TODO: enforce restrictions
+		return ID(tok.value), nil
+	default:
+		return "", p.errorf("expected identifier")
+	}
+}
+
+func (p *parser) parseOnDelete() (OnDelete, *parseError) {
+	/*
+		CASCADE
+		NO ACTION
+	*/
+
+	tok := p.next()
+	if tok.err != nil {
+		return 0, tok.err
+	}
+	if tok.caseEqual("CASCADE") {
+		return CascadeOnDelete, nil
+	}
+	if !tok.caseEqual("NO") {
+		return 0, p.errorf("got %q, want NO or CASCADE", tok.value)
+	}
+	if err := p.expect("ACTION"); err != nil {
+		return 0, err
+	}
+	return NoActionOnDelete, nil
+}
+
+func (p *parser) parseRowDeletionPolicy() (RowDeletionPolicy, *parseError) {
+	if err := p.expect("(", "OLDER_THAN", "("); err != nil {
+		return RowDeletionPolicy{}, err
+	}
+	cname, err := p.parseTableOrIndexOrColumnName()
+	if err != nil {
+		return RowDeletionPolicy{}, err
+	}
+	if err := p.expect(",", "INTERVAL"); err != nil {
+		return RowDeletionPolicy{}, err
+	}
+	tok := p.next()
+	if tok.err != nil {
+		return RowDeletionPolicy{}, tok.err
+	}
+	if tok.typ != int64Token {
+		return RowDeletionPolicy{}, p.errorf("got %q, expected int64 token", tok.value)
+	}
+	n, serr := strconv.ParseInt(tok.value, tok.int64Base, 64)
+	if serr != nil {
+		return RowDeletionPolicy{}, p.errorf("%v", serr)
+	}
+	if err := p.expect("DAY", ")", ")"); err != nil {
+		return RowDeletionPolicy{}, err
+	}
+	return RowDeletionPolicy{
+		Column:  cname,
+		NumDays: n,
+	}, nil
+}
+
+// parseCommaList parses a comma-separated list enclosed by bra and ket,
+// delegating to f for the individual element parsing.
+// Only invoke this with symbols as bra/ket; they are matched literally, not case insensitively.
+func (p *parser) parseCommaList(bra, ket string, f func(*parser) *parseError) *parseError {
+	if err := p.expect(bra); err != nil {
+		return err
+	}
+	for {
+		if p.eat(ket) {
+			return nil
+		}
+
+		err := f(p)
+		if err != nil {
+			return err
+		}
+
+		// ket or "," should be next.
+		tok := p.next()
+		if tok.err != nil {
+			return err
+		}
+		if tok.value == ket {
+			return nil
+		} else if tok.value == "," {
+			continue
+		} else {
+			return p.errorf(`got %q, want %q or ","`, tok.value, ket)
+		}
+	}
+}
+
+// parseCommaListWithEnds parses a comma-separated list to expected ends,
+// delegating to f for the individual element parsing.
+// Only invoke this with symbols as end; they are matched case insensitively.
+func (p *parser) parseCommaListWithEnds(f func(*parser) *parseError, end ...string) *parseError {
+	if p.eat(end...) {
+		return nil
+	}
+	for {
+		err := f(p)
+		if err != nil {
+			return err
+		}
+		if p.eat(end...) {
+			return nil
+		}
+
+		tok := p.next()
+		if tok.err != nil {
+			return err
+		}
+		if tok.value == "," {
+			continue
+		} else if tok.value == ";" {
+			return nil
+		}
+	}
+}
diff --git a/vendor/cloud.google.com/go/spanner/spansql/sql.go b/vendor/cloud.google.com/go/spanner/spansql/sql.go
new file mode 100644
index 000000000..577a45e2e
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/spansql/sql.go
@@ -0,0 +1,1183 @@
+/*
+Copyright 2019 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package spansql
+
+// This file holds SQL methods for rendering the types in types.go
+// as the SQL dialect that this package parses.
+//
+// Every exported type has an SQL method that returns a string.
+// Some also have an addSQL method that efficiently builds that string
+// in a provided strings.Builder.
+
+import (
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func buildSQL(x interface{ addSQL(*strings.Builder) }) string {
+	var sb strings.Builder
+	x.addSQL(&sb)
+	return sb.String()
+}
+
+func (ct CreateTable) SQL() string {
+	str := "CREATE TABLE "
+	if ct.IfNotExists {
+		str += "IF NOT EXISTS "
+	}
+	str += ct.Name.SQL() + " (\n"
+	for _, c := range ct.Columns {
+		str += "  " + c.SQL() + ",\n"
+	}
+	for _, tc := range ct.Constraints {
+		str += "  " + tc.SQL() + ",\n"
+	}
+	if len(ct.Synonym) > 0 {
+		str += "  SYNONYM(" + ct.Synonym.SQL() + "),\n"
+	}
+	str += ") PRIMARY KEY("
+	for i, c := range ct.PrimaryKey {
+		if i > 0 {
+			str += ", "
+		}
+		str += c.SQL()
+	}
+	str += ")"
+	if il := ct.Interleave; il != nil {
+		str += ",\n  INTERLEAVE IN PARENT " + il.Parent.SQL() + " ON DELETE " + il.OnDelete.SQL()
+	}
+	if rdp := ct.RowDeletionPolicy; rdp != nil {
+		str += ",\n  " + rdp.SQL()
+	}
+	return str
+}
+
+func (ci CreateIndex) SQL() string {
+	str := "CREATE"
+	if ci.Unique {
+		str += " UNIQUE"
+	}
+	if ci.NullFiltered {
+		str += " NULL_FILTERED"
+	}
+	str += " INDEX "
+	if ci.IfNotExists {
+		str += "IF NOT EXISTS "
+	}
+	str += ci.Name.SQL() + " ON " + ci.Table.SQL() + "("
+	for i, c := range ci.Columns {
+		if i > 0 {
+			str += ", "
+		}
+		str += c.SQL()
+	}
+	str += ")"
+	if len(ci.Storing) > 0 {
+		str += " STORING (" + idList(ci.Storing, ", ") + ")"
+	}
+	if ci.Interleave != "" {
+		str += ", INTERLEAVE IN " + ci.Interleave.SQL()
+	}
+	return str
+}
+
+func (cv CreateView) SQL() string {
+	str := "CREATE"
+	if cv.OrReplace {
+		str += " OR REPLACE"
+	}
+	str += " VIEW " + cv.Name.SQL() + " SQL SECURITY " + cv.SecurityType.SQL() + " AS " + cv.Query.SQL()
+	return str
+}
+
+func (st SecurityType) SQL() string {
+	switch st {
+	case Invoker:
+		return "INVOKER"
+	case Definer:
+		return "DEFINER"
+	}
+	panic("unknown SecurityType")
+}
+
+func (cr CreateRole) SQL() string {
+	return "CREATE ROLE " + cr.Name.SQL()
+}
+
+func (cs CreateChangeStream) SQL() string {
+	str := "CREATE CHANGE STREAM "
+	str += cs.Name.SQL()
+	if cs.WatchAllTables {
+		str += " FOR ALL"
+	} else {
+		for i, table := range cs.Watch {
+			if i == 0 {
+				str += " FOR "
+			} else {
+				str += ", "
+			}
+			str += table.SQL()
+		}
+	}
+	if cs.Options != (ChangeStreamOptions{}) {
+		str += " " + cs.Options.SQL()
+	}
+
+	return str
+}
+
+func (w WatchDef) SQL() string {
+	str := w.Table.SQL()
+	if !w.WatchAllCols {
+		str += "("
+		for i, c := range w.Columns {
+			if i > 0 {
+				str += ", "
+			}
+			str += c.SQL()
+		}
+		str += ")"
+	}
+	return str
+}
+
+func (dt DropTable) SQL() string {
+	str := "DROP TABLE "
+	if dt.IfExists {
+		str += "IF EXISTS "
+	}
+	str += dt.Name.SQL()
+	return str
+}
+
+func (di DropIndex) SQL() string {
+	str := "DROP INDEX "
+	if di.IfExists {
+		str += "IF EXISTS "
+	}
+	str += di.Name.SQL()
+	return str
+}
+
+func (dv DropView) SQL() string {
+	return "DROP VIEW " + dv.Name.SQL()
+}
+
+func (dr DropRole) SQL() string {
+	return "DROP ROLE " + dr.Name.SQL()
+}
+
+func (gr GrantRole) SQL() string {
+	sql := "GRANT "
+	if gr.Privileges != nil {
+		for i, priv := range gr.Privileges {
+			if i > 0 {
+				sql += ", "
+			}
+			sql += priv.Type.SQL()
+			if priv.Columns != nil {
+				sql += "(" + idList(priv.Columns, ", ") + ")"
+			}
+		}
+		sql += " ON TABLE " + idList(gr.TableNames, ", ")
+	} else if len(gr.TvfNames) > 0 {
+		sql += "EXECUTE ON TABLE FUNCTION " + idList(gr.TvfNames, ", ")
+	} else if len(gr.ViewNames) > 0 {
+		sql += "SELECT ON VIEW " + idList(gr.ViewNames, ", ")
+	} else if len(gr.ChangeStreamNames) > 0 {
+		sql += "SELECT ON CHANGE STREAM " + idList(gr.ChangeStreamNames, ", ")
+	} else {
+		sql += "ROLE " + idList(gr.GrantRoleNames, ", ")
+	}
+	sql += " TO ROLE " + idList(gr.ToRoleNames, ", ")
+	return sql
+}
+
+func (rr RevokeRole) SQL() string {
+	sql := "REVOKE "
+	if rr.Privileges != nil {
+		for i, priv := range rr.Privileges {
+			if i > 0 {
+				sql += ", "
+			}
+			sql += priv.Type.SQL()
+			if priv.Columns != nil {
+				sql += "(" + idList(priv.Columns, ", ") + ")"
+			}
+		}
+		sql += " ON TABLE " + idList(rr.TableNames, ", ")
+	} else if len(rr.TvfNames) > 0 {
+		sql += "EXECUTE ON TABLE FUNCTION " + idList(rr.TvfNames, ", ")
+	} else if len(rr.ViewNames) > 0 {
+		sql += "SELECT ON VIEW " + idList(rr.ViewNames, ", ")
+	} else if len(rr.ChangeStreamNames) > 0 {
+		sql += "SELECT ON CHANGE STREAM " + idList(rr.ChangeStreamNames, ", ")
+	} else {
+		sql += "ROLE " + idList(rr.RevokeRoleNames, ", ")
+	}
+	sql += " FROM ROLE " + idList(rr.FromRoleNames, ", ")
+	return sql
+}
+
+func (dc DropChangeStream) SQL() string {
+	return "DROP CHANGE STREAM " + dc.Name.SQL()
+}
+
+func (acs AlterChangeStream) SQL() string {
+	return "ALTER CHANGE STREAM " + acs.Name.SQL() + " " + acs.Alteration.SQL()
+}
+
+func (scsw AlterWatch) SQL() string {
+	str := "SET FOR "
+	if scsw.WatchAllTables {
+		return str + "ALL"
+	}
+	for i, table := range scsw.Watch {
+		if i > 0 {
+			str += ", "
+		}
+		str += table.SQL()
+	}
+	return str
+}
+
+func (ao AlterChangeStreamOptions) SQL() string {
+	return "SET " + ao.Options.SQL()
+}
+
+func (dcsw DropChangeStreamWatch) SQL() string {
+	return "DROP FOR ALL"
+}
+
+func (cso ChangeStreamOptions) SQL() string {
+	str := "OPTIONS ("
+	hasOpt := false
+	if cso.RetentionPeriod != nil {
+		hasOpt = true
+		str += fmt.Sprintf("retention_period='%s'", *cso.RetentionPeriod)
+	}
+	if cso.ValueCaptureType != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		str += fmt.Sprintf("value_capture_type='%s'", *cso.ValueCaptureType)
+	}
+	str += ")"
+	return str
+}
+
+func (at AlterTable) SQL() string {
+	return "ALTER TABLE " + at.Name.SQL() + " " + at.Alteration.SQL()
+}
+
+func (ac AddColumn) SQL() string {
+	str := "ADD COLUMN "
+	if ac.IfNotExists {
+		str += "IF NOT EXISTS "
+	}
+	str += ac.Def.SQL()
+	return str
+}
+
+func (dc DropColumn) SQL() string {
+	return "DROP COLUMN " + dc.Name.SQL()
+}
+
+func (ac AddConstraint) SQL() string {
+	return "ADD " + ac.Constraint.SQL()
+}
+
+func (dc DropConstraint) SQL() string {
+	return "DROP CONSTRAINT " + dc.Name.SQL()
+}
+
+func (rt RenameTo) SQL() string {
+	str := "RENAME TO " + rt.ToName.SQL()
+	if len(rt.Synonym) > 0 {
+		str += ", ADD SYNONYM " + rt.Synonym.SQL()
+	}
+	return str
+}
+
+func (as AddSynonym) SQL() string {
+	return "ADD SYNONYM " + as.Name.SQL()
+}
+
+func (ds DropSynonym) SQL() string {
+	return "DROP SYNONYM " + ds.Name.SQL()
+}
+
+func (sod SetOnDelete) SQL() string {
+	return "SET ON DELETE " + sod.Action.SQL()
+}
+
+func (od OnDelete) SQL() string {
+	switch od {
+	case NoActionOnDelete:
+		return "NO ACTION"
+	case CascadeOnDelete:
+		return "CASCADE"
+	}
+	panic("unknown OnDelete")
+}
+
+func (ac AlterColumn) SQL() string {
+	return "ALTER COLUMN " + ac.Name.SQL() + " " + ac.Alteration.SQL()
+}
+
+func (ardp AddRowDeletionPolicy) SQL() string {
+	return "ADD " + ardp.RowDeletionPolicy.SQL()
+}
+
+func (rrdp ReplaceRowDeletionPolicy) SQL() string {
+	return "REPLACE " + rrdp.RowDeletionPolicy.SQL()
+}
+
+func (drdp DropRowDeletionPolicy) SQL() string {
+	return "DROP ROW DELETION POLICY"
+}
+
+func (sct SetColumnType) SQL() string {
+	str := sct.Type.SQL()
+	if sct.NotNull {
+		str += " NOT NULL"
+	}
+	if sct.Default != nil {
+		str += " DEFAULT (" + sct.Default.SQL() + ")"
+	}
+	return str
+}
+
+func (sco SetColumnOptions) SQL() string {
+	// TODO: not clear what to do for no options.
+	return "SET " + sco.Options.SQL()
+}
+
+func (sd SetDefault) SQL() string {
+	return "SET DEFAULT (" + sd.Default.SQL() + ")"
+}
+
+func (dp DropDefault) SQL() string {
+	return "DROP DEFAULT"
+}
+
+func (co ColumnOptions) SQL() string {
+	str := "OPTIONS ("
+	if co.AllowCommitTimestamp != nil {
+		if *co.AllowCommitTimestamp {
+			str += "allow_commit_timestamp = true"
+		} else {
+			str += "allow_commit_timestamp = null"
+		}
+	}
+	str += ")"
+	return str
+}
+
+func (rt RenameTable) SQL() string {
+	str := "RENAME TABLE "
+	for i, op := range rt.TableRenameOps {
+		if i > 0 {
+			str += ", "
+		}
+		str += op.FromName.SQL() + " TO " + op.ToName.SQL()
+	}
+	return str
+}
+
+func (ad AlterDatabase) SQL() string {
+	return "ALTER DATABASE " + ad.Name.SQL() + " " + ad.Alteration.SQL()
+}
+
+func (sdo SetDatabaseOptions) SQL() string {
+	return "SET " + sdo.Options.SQL()
+}
+
+func (do DatabaseOptions) SQL() string {
+	str := "OPTIONS ("
+	hasOpt := false
+	if do.OptimizerVersion != nil {
+		hasOpt = true
+		if *do.OptimizerVersion == 0 {
+			str += "optimizer_version=null"
+		} else {
+			str += fmt.Sprintf("optimizer_version=%v", *do.OptimizerVersion)
+		}
+	}
+	if do.OptimizerStatisticsPackage != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		if *do.OptimizerStatisticsPackage == "" {
+			str += "optimizer_statistics_package=null"
+		} else {
+			str += fmt.Sprintf("optimizer_statistics_package='%s'", *do.OptimizerStatisticsPackage)
+		}
+	}
+	if do.VersionRetentionPeriod != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		if *do.VersionRetentionPeriod == "" {
+			str += "version_retention_period=null"
+		} else {
+			str += fmt.Sprintf("version_retention_period='%s'", *do.VersionRetentionPeriod)
+		}
+	}
+	if do.EnableKeyVisualizer != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		if *do.EnableKeyVisualizer {
+			str += "enable_key_visualizer=true"
+		} else {
+			str += "enable_key_visualizer=null"
+		}
+	}
+	if do.DefaultLeader != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		if *do.DefaultLeader == "" {
+			str += "default_leader=null"
+		} else {
+			str += fmt.Sprintf("default_leader='%s'", *do.DefaultLeader)
+		}
+	}
+	str += ")"
+	return str
+}
+
+func (as AlterStatistics) SQL() string {
+	return "ALTER STATISTICS " + as.Name.SQL() + " " + as.Alteration.SQL()
+}
+
+func (sso SetStatisticsOptions) SQL() string {
+	return "SET " + sso.Options.SQL()
+}
+
+func (sa StatisticsOptions) SQL() string {
+	str := "OPTIONS ("
+	if sa.AllowGC != nil {
+		str += fmt.Sprintf("allow_gc=%v", *sa.AllowGC)
+	}
+	str += ")"
+	return str
+}
+
+func (ai AlterIndex) SQL() string {
+	return "ALTER INDEX " + ai.Name.SQL() + " " + ai.Alteration.SQL()
+}
+
+func (asc AddStoredColumn) SQL() string {
+	return "ADD STORED COLUMN " + asc.Name.SQL()
+}
+
+func (dsc DropStoredColumn) SQL() string {
+	return "DROP STORED COLUMN " + dsc.Name.SQL()
+}
+
+func (cs CreateSequence) SQL() string {
+	str := "CREATE SEQUENCE "
+	if cs.IfNotExists {
+		str += "IF NOT EXISTS "
+	}
+	return str + cs.Name.SQL() + " " + cs.Options.SQL()
+}
+
+func (as AlterSequence) SQL() string {
+	return "ALTER SEQUENCE " + as.Name.SQL() + " " + as.Alteration.SQL()
+}
+
+func (sa SetSequenceOptions) SQL() string {
+	return "SET " + sa.Options.SQL()
+}
+
+func (so SequenceOptions) SQL() string {
+	str := "OPTIONS ("
+	hasOpt := false
+	if so.SequenceKind != nil {
+		hasOpt = true
+		str += fmt.Sprintf("sequence_kind='%s'", *so.SequenceKind)
+	}
+	if so.SkipRangeMin != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		str += fmt.Sprintf("skip_range_min=%v", *so.SkipRangeMin)
+	}
+	if so.SkipRangeMax != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		str += fmt.Sprintf("skip_range_max=%v", *so.SkipRangeMax)
+	}
+	if so.StartWithCounter != nil {
+		if hasOpt {
+			str += ", "
+		}
+		hasOpt = true
+		str += fmt.Sprintf("start_with_counter=%v", *so.StartWithCounter)
+	}
+	return str + ")"
+}
+
+func (do DropSequence) SQL() string {
+	str := "DROP SEQUENCE "
+	if do.IfExists {
+		str += "IF EXISTS "
+	}
+	return str + do.Name.SQL()
+}
+
+func (d *Delete) SQL() string {
+	return "DELETE FROM " + d.Table.SQL() + " WHERE " + d.Where.SQL()
+}
+
+func (u *Update) SQL() string {
+	str := "UPDATE " + u.Table.SQL() + " SET "
+	for i, item := range u.Items {
+		if i > 0 {
+			str += ", "
+		}
+		str += item.Column.SQL() + " = "
+		if item.Value != nil {
+			str += item.Value.SQL()
+		} else {
+			str += "DEFAULT"
+		}
+	}
+	str += " WHERE " + u.Where.SQL()
+	return str
+}
+
+func (i *Insert) SQL() string {
+	str := "INSERT INTO " + i.Table.SQL() + " ("
+	for i, column := range i.Columns {
+		if i > 0 {
+			str += ", "
+		}
+		str += column.SQL()
+	}
+	str += ") "
+	str += i.Input.SQL()
+	return str
+}
+
+func (v Values) SQL() string {
+	str := "VALUES "
+	for j, values := range v {
+		if j > 0 {
+			str += ", "
+		}
+		str += "("
+
+		for k, value := range values {
+			if k > 0 {
+				str += ", "
+			}
+			str += value.SQL()
+		}
+		str += ")"
+	}
+	return str
+}
+
+func (cd ColumnDef) SQL() string {
+	str := cd.Name.SQL() + " " + cd.Type.SQL()
+	if cd.NotNull {
+		str += " NOT NULL"
+	}
+	if cd.Default != nil {
+		str += " DEFAULT (" + cd.Default.SQL() + ")"
+	}
+	if cd.Generated != nil {
+		str += " AS (" + cd.Generated.SQL() + ") STORED"
+	}
+	if cd.Options != (ColumnOptions{}) {
+		str += " " + cd.Options.SQL()
+	}
+	return str
+}
+
+func (tc TableConstraint) SQL() string {
+	var str string
+	if tc.Name != "" {
+		str += "CONSTRAINT " + tc.Name.SQL() + " "
+	}
+	str += tc.Constraint.SQL()
+	return str
+}
+
+func (rdp RowDeletionPolicy) SQL() string {
+	return "ROW DELETION POLICY ( OLDER_THAN ( " + rdp.Column.SQL() + ", INTERVAL " + strconv.FormatInt(rdp.NumDays, 10) + " DAY ))"
+}
+
+func (fk ForeignKey) SQL() string {
+	str := "FOREIGN KEY (" + idList(fk.Columns, ", ")
+	str += ") REFERENCES " + fk.RefTable.SQL() + " ("
+	str += idList(fk.RefColumns, ", ") + ")"
+	str += " ON DELETE " + fk.OnDelete.SQL()
+	return str
+}
+
+func (c Check) SQL() string {
+	return "CHECK (" + c.Expr.SQL() + ")"
+}
+
+func (t Type) SQL() string {
+	str := t.Base.SQL()
+	if t.Len > 0 && (t.Base == String || t.Base == Bytes) {
+		str += "("
+		if t.Len == MaxLen {
+			str += "MAX"
+		} else {
+			str += strconv.FormatInt(t.Len, 10)
+		}
+		str += ")"
+	}
+	if t.Array {
+		str = "ARRAY<" + str + ">"
+	}
+	return str
+}
+
+func (tb TypeBase) SQL() string {
+	switch tb {
+	case Bool:
+		return "BOOL"
+	case Int64:
+		return "INT64"
+	case Float64:
+		return "FLOAT64"
+	case Numeric:
+		return "NUMERIC"
+	case String:
+		return "STRING"
+	case Bytes:
+		return "BYTES"
+	case Date:
+		return "DATE"
+	case Timestamp:
+		return "TIMESTAMP"
+	case JSON:
+		return "JSON"
+	}
+	panic("unknown TypeBase")
+}
+
+func (pt PrivilegeType) SQL() string {
+	switch pt {
+	case PrivilegeTypeSelect:
+		return "SELECT"
+	case PrivilegeTypeInsert:
+		return "INSERT"
+	case PrivilegeTypeUpdate:
+		return "UPDATE"
+	case PrivilegeTypeDelete:
+		return "DELETE"
+	}
+	panic("unknown PrivilegeType")
+}
+func (kp KeyPart) SQL() string {
+	str := kp.Column.SQL()
+	if kp.Desc {
+		str += " DESC"
+	}
+	return str
+}
+
+func (q Query) SQL() string { return buildSQL(q) }
+func (q Query) addSQL(sb *strings.Builder) {
+	q.Select.addSQL(sb)
+	if len(q.Order) > 0 {
+		sb.WriteString(" ORDER BY ")
+		for i, o := range q.Order {
+			if i > 0 {
+				sb.WriteString(", ")
+			}
+			o.addSQL(sb)
+		}
+	}
+	if q.Limit != nil {
+		sb.WriteString(" LIMIT ")
+		sb.WriteString(q.Limit.SQL())
+		if q.Offset != nil {
+			sb.WriteString(" OFFSET ")
+			sb.WriteString(q.Offset.SQL())
+		}
+	}
+}
+
+func (sel Select) SQL() string { return buildSQL(sel) }
+func (sel Select) addSQL(sb *strings.Builder) {
+	sb.WriteString("SELECT ")
+	if sel.Distinct {
+		sb.WriteString("DISTINCT ")
+	}
+	for i, e := range sel.List {
+		if i > 0 {
+			sb.WriteString(", ")
+		}
+		e.addSQL(sb)
+		if len(sel.ListAliases) > 0 {
+			alias := sel.ListAliases[i]
+			if alias != "" {
+				sb.WriteString(" AS ")
+				sb.WriteString(alias.SQL())
+			}
+		}
+	}
+	if len(sel.From) > 0 {
+		sb.WriteString(" FROM ")
+		for i, f := range sel.From {
+			if i > 0 {
+				sb.WriteString(", ")
+			}
+			sb.WriteString(f.SQL())
+		}
+	}
+	if sel.Where != nil {
+		sb.WriteString(" WHERE ")
+		sel.Where.addSQL(sb)
+	}
+	if len(sel.GroupBy) > 0 {
+		sb.WriteString(" GROUP BY ")
+		addExprList(sb, sel.GroupBy, ", ")
+	}
+}
+
+func (sft SelectFromTable) SQL() string {
+	str := sft.Table.SQL()
+	if len(sft.Hints) > 0 {
+		str += "@{"
+		kvs := make([]string, len(sft.Hints))
+		i := 0
+		for k, v := range sft.Hints {
+			kvs[i] = fmt.Sprintf("%s=%s", k, v)
+			i++
+		}
+		sort.Strings(kvs)
+		str += strings.Join(kvs, ",")
+		str += "}"
+	}
+
+	if sft.Alias != "" {
+		str += " AS " + sft.Alias.SQL()
+	}
+	return str
+}
+
+func (sfj SelectFromJoin) SQL() string {
+	// TODO: The grammar permits arbitrary nesting. Does this need to add parens?
+	str := sfj.LHS.SQL() + " " + joinTypes[sfj.Type] + " JOIN "
+	// TODO: hints go here
+	str += sfj.RHS.SQL()
+	if sfj.On != nil {
+		str += " ON " + sfj.On.SQL()
+	} else if len(sfj.Using) > 0 {
+		str += " USING (" + idList(sfj.Using, ", ") + ")"
+	}
+	return str
+}
+
+var joinTypes = map[JoinType]string{
+	InnerJoin: "INNER",
+	CrossJoin: "CROSS",
+	FullJoin:  "FULL",
+	LeftJoin:  "LEFT",
+	RightJoin: "RIGHT",
+}
+
+func (sfu SelectFromUnnest) SQL() string {
+	str := "UNNEST(" + sfu.Expr.SQL() + ")"
+	if sfu.Alias != "" {
+		str += " AS " + sfu.Alias.SQL()
+	}
+	return str
+}
+
+func (o Order) SQL() string { return buildSQL(o) }
+func (o Order) addSQL(sb *strings.Builder) {
+	o.Expr.addSQL(sb)
+	if o.Desc {
+		sb.WriteString(" DESC")
+	}
+}
+
+var arithOps = map[ArithOperator]string{
+	// Binary operators only; unary operators are handled first.
+	Mul:    "*",
+	Div:    "/",
+	Concat: "||",
+	Add:    "+",
+	Sub:    "-",
+	BitShl: "<<",
+	BitShr: ">>",
+	BitAnd: "&",
+	BitXor: "^",
+	BitOr:  "|",
+}
+
+func (ao ArithOp) SQL() string { return buildSQL(ao) }
+func (ao ArithOp) addSQL(sb *strings.Builder) {
+	// Extra parens inserted to ensure the correct precedence.
+
+	switch ao.Op {
+	case Neg:
+		sb.WriteString("-(")
+		ao.RHS.addSQL(sb)
+		sb.WriteString(")")
+		return
+	case Plus:
+		sb.WriteString("+(")
+		ao.RHS.addSQL(sb)
+		sb.WriteString(")")
+		return
+	case BitNot:
+		sb.WriteString("~(")
+		ao.RHS.addSQL(sb)
+		sb.WriteString(")")
+		return
+	}
+	op, ok := arithOps[ao.Op]
+	if !ok {
+		panic("unknown ArithOp")
+	}
+	sb.WriteString("(")
+	ao.LHS.addSQL(sb)
+	sb.WriteString(")")
+	sb.WriteString(op)
+	sb.WriteString("(")
+	ao.RHS.addSQL(sb)
+	sb.WriteString(")")
+}
+
+func (lo LogicalOp) SQL() string { return buildSQL(lo) }
+func (lo LogicalOp) addSQL(sb *strings.Builder) {
+	switch lo.Op {
+	default:
+		panic("unknown LogicalOp")
+	case And:
+		lo.LHS.addSQL(sb)
+		sb.WriteString(" AND ")
+	case Or:
+		lo.LHS.addSQL(sb)
+		sb.WriteString(" OR ")
+	case Not:
+		sb.WriteString("NOT ")
+	}
+	lo.RHS.addSQL(sb)
+}
+
+var compOps = map[ComparisonOperator]string{
+	Lt:         "<",
+	Le:         "<=",
+	Gt:         ">",
+	Ge:         ">=",
+	Eq:         "=",
+	Ne:         "!=",
+	Like:       "LIKE",
+	NotLike:    "NOT LIKE",
+	Between:    "BETWEEN",
+	NotBetween: "NOT BETWEEN",
+}
+
+func (co ComparisonOp) SQL() string { return buildSQL(co) }
+func (co ComparisonOp) addSQL(sb *strings.Builder) {
+	op, ok := compOps[co.Op]
+	if !ok {
+		panic("unknown ComparisonOp")
+	}
+	co.LHS.addSQL(sb)
+	sb.WriteString(" ")
+	sb.WriteString(op)
+	sb.WriteString(" ")
+	co.RHS.addSQL(sb)
+	if co.Op == Between || co.Op == NotBetween {
+		sb.WriteString(" AND ")
+		co.RHS2.addSQL(sb)
+	}
+}
+
+func (io InOp) SQL() string { return buildSQL(io) }
+func (io InOp) addSQL(sb *strings.Builder) {
+	io.LHS.addSQL(sb)
+	if io.Neg {
+		sb.WriteString(" NOT")
+	}
+	sb.WriteString(" IN ")
+	if io.Unnest {
+		sb.WriteString("UNNEST")
+	}
+	sb.WriteString("(")
+	addExprList(sb, io.RHS, ", ")
+	sb.WriteString(")")
+}
+
+func (io IsOp) SQL() string { return buildSQL(io) }
+func (io IsOp) addSQL(sb *strings.Builder) {
+	io.LHS.addSQL(sb)
+	sb.WriteString(" IS ")
+	if io.Neg {
+		sb.WriteString("NOT ")
+	}
+	io.RHS.addSQL(sb)
+}
+
+func (f Func) SQL() string { return buildSQL(f) }
+func (f Func) addSQL(sb *strings.Builder) {
+	sb.WriteString(f.Name)
+	sb.WriteString("(")
+	if f.Distinct {
+		sb.WriteString("DISTINCT ")
+	}
+	addExprList(sb, f.Args, ", ")
+	switch f.NullsHandling {
+	case RespectNulls:
+		sb.WriteString(" RESPECT NULLS")
+	case IgnoreNulls:
+		sb.WriteString(" IGNORE NULLS")
+	}
+	if ah := f.Having; ah != nil {
+		sb.WriteString(" HAVING")
+		switch ah.Condition {
+		case HavingMax:
+			sb.WriteString(" MAX")
+		case HavingMin:
+			sb.WriteString(" MIN")
+		}
+		sb.WriteString(" ")
+		sb.WriteString(ah.Expr.SQL())
+	}
+	sb.WriteString(")")
+}
+
+func (te TypedExpr) SQL() string { return buildSQL(te) }
+func (te TypedExpr) addSQL(sb *strings.Builder) {
+	te.Expr.addSQL(sb)
+	sb.WriteString(" AS ")
+	sb.WriteString(te.Type.SQL())
+}
+
+func (ee ExtractExpr) SQL() string { return buildSQL(ee) }
+func (ee ExtractExpr) addSQL(sb *strings.Builder) {
+	sb.WriteString(ee.Part)
+	sb.WriteString(" FROM ")
+	ee.Expr.addSQL(sb)
+}
+
+func (aze AtTimeZoneExpr) SQL() string { return buildSQL(aze) }
+func (aze AtTimeZoneExpr) addSQL(sb *strings.Builder) {
+	aze.Expr.addSQL(sb)
+	sb.WriteString(" AT TIME ZONE ")
+	sb.WriteString(aze.Zone)
+}
+
+func (ie IntervalExpr) SQL() string { return buildSQL(ie) }
+func (ie IntervalExpr) addSQL(sb *strings.Builder) {
+	sb.WriteString("INTERVAL")
+	sb.WriteString(" ")
+	ie.Expr.addSQL(sb)
+	sb.WriteString(" ")
+	sb.WriteString(ie.DatePart)
+}
+
+func (se SequenceExpr) SQL() string { return buildSQL(se) }
+func (se SequenceExpr) addSQL(sb *strings.Builder) {
+	sb.WriteString("SEQUENCE ")
+	sb.WriteString(se.Name.SQL())
+}
+
+func idList(l []ID, join string) string {
+	var ss []string
+	for _, s := range l {
+		ss = append(ss, s.SQL())
+	}
+	return strings.Join(ss, join)
+}
+
+func addExprList(sb *strings.Builder, l []Expr, join string) {
+	for i, s := range l {
+		if i > 0 {
+			sb.WriteString(join)
+		}
+		s.addSQL(sb)
+	}
+}
+
+func addIDList(sb *strings.Builder, l []ID, join string) {
+	for i, s := range l {
+		if i > 0 {
+			sb.WriteString(join)
+		}
+		s.addSQL(sb)
+	}
+}
+
+func (pe PathExp) SQL() string { return buildSQL(pe) }
+func (pe PathExp) addSQL(sb *strings.Builder) {
+	addIDList(sb, []ID(pe), ".")
+}
+
+func (p Paren) SQL() string { return buildSQL(p) }
+func (p Paren) addSQL(sb *strings.Builder) {
+	sb.WriteString("(")
+	p.Expr.addSQL(sb)
+	sb.WriteString(")")
+}
+
+func (a Array) SQL() string { return buildSQL(a) }
+func (a Array) addSQL(sb *strings.Builder) {
+	sb.WriteString("[")
+	addExprList(sb, []Expr(a), ", ")
+	sb.WriteString("]")
+}
+
+func (id ID) SQL() string { return buildSQL(id) }
+func (id ID) addSQL(sb *strings.Builder) {
+	// https://cloud.google.com/spanner/docs/lexical#identifiers
+
+	// TODO: If there are non-letters/numbers/underscores then this also needs quoting.
+
+	// Naming Convention: Must be enclosed in backticks (`) if it's a reserved keyword or contains a hyphen.
+	if IsKeyword(string(id)) || strings.Contains(string(id), "-") {
+		// TODO: Escaping may be needed here.
+		sb.WriteString("`")
+		sb.WriteString(string(id))
+		sb.WriteString("`")
+		return
+	}
+
+	sb.WriteString(string(id))
+}
+
+func (p Param) SQL() string { return buildSQL(p) }
+func (p Param) addSQL(sb *strings.Builder) {
+	sb.WriteString("@")
+	sb.WriteString(string(p))
+}
+
+func (c Case) SQL() string { return buildSQL(c) }
+func (c Case) addSQL(sb *strings.Builder) {
+	sb.WriteString("CASE ")
+	if c.Expr != nil {
+		fmt.Fprintf(sb, "%s ", c.Expr.SQL())
+	}
+	for _, w := range c.WhenClauses {
+		fmt.Fprintf(sb, "WHEN %s THEN %s ", w.Cond.SQL(), w.Result.SQL())
+	}
+	if c.ElseResult != nil {
+		fmt.Fprintf(sb, "ELSE %s ", c.ElseResult.SQL())
+	}
+	sb.WriteString("END")
+}
+
+func (c Coalesce) SQL() string { return buildSQL(c) }
+func (c Coalesce) addSQL(sb *strings.Builder) {
+	sb.WriteString("COALESCE(")
+	for i, expr := range c.ExprList {
+		if i > 0 {
+			sb.WriteString(", ")
+		}
+		expr.addSQL(sb)
+	}
+	sb.WriteString(")")
+}
+
+func (i If) SQL() string { return buildSQL(i) }
+func (i If) addSQL(sb *strings.Builder) {
+	sb.WriteString("IF(")
+	i.Expr.addSQL(sb)
+	sb.WriteString(", ")
+	i.TrueResult.addSQL(sb)
+	sb.WriteString(", ")
+	i.ElseResult.addSQL(sb)
+	sb.WriteString(")")
+}
+
+func (in IfNull) SQL() string { return buildSQL(in) }
+func (in IfNull) addSQL(sb *strings.Builder) {
+	sb.WriteString("IFNULL(")
+	in.Expr.addSQL(sb)
+	sb.WriteString(", ")
+	in.NullResult.addSQL(sb)
+	sb.WriteString(")")
+}
+
+func (ni NullIf) SQL() string { return buildSQL(ni) }
+func (ni NullIf) addSQL(sb *strings.Builder) {
+	sb.WriteString("NULLIF(")
+	ni.Expr.addSQL(sb)
+	sb.WriteString(", ")
+	ni.ExprToMatch.addSQL(sb)
+	sb.WriteString(")")
+}
+
+func (b BoolLiteral) SQL() string { return buildSQL(b) }
+func (b BoolLiteral) addSQL(sb *strings.Builder) {
+	if b {
+		sb.WriteString("TRUE")
+	} else {
+		sb.WriteString("FALSE")
+	}
+}
+
+func (NullLiteral) SQL() string                { return buildSQL(NullLiteral(0)) }
+func (NullLiteral) addSQL(sb *strings.Builder) { sb.WriteString("NULL") }
+
+func (StarExpr) SQL() string                { return buildSQL(StarExpr(0)) }
+func (StarExpr) addSQL(sb *strings.Builder) { sb.WriteString("*") }
+
+func (il IntegerLiteral) SQL() string                { return buildSQL(il) }
+func (il IntegerLiteral) addSQL(sb *strings.Builder) { fmt.Fprintf(sb, "%d", il) }
+
+func (fl FloatLiteral) SQL() string                { return buildSQL(fl) }
+func (fl FloatLiteral) addSQL(sb *strings.Builder) { fmt.Fprintf(sb, "%g", fl) }
+
+// TODO: provide correct string quote method and use it.
+
+func (sl StringLiteral) SQL() string                { return buildSQL(sl) }
+func (sl StringLiteral) addSQL(sb *strings.Builder) { fmt.Fprintf(sb, "%q", sl) }
+
+func (bl BytesLiteral) SQL() string                { return buildSQL(bl) }
+func (bl BytesLiteral) addSQL(sb *strings.Builder) { fmt.Fprintf(sb, "B%q", bl) }
+
+func (dl DateLiteral) SQL() string { return buildSQL(dl) }
+func (dl DateLiteral) addSQL(sb *strings.Builder) {
+	fmt.Fprintf(sb, "DATE '%04d-%02d-%02d'", dl.Year, dl.Month, dl.Day)
+}
+
+func (tl TimestampLiteral) SQL() string { return buildSQL(tl) }
+func (tl TimestampLiteral) addSQL(sb *strings.Builder) {
+	fmt.Fprintf(sb, "TIMESTAMP '%s'", time.Time(tl).Format("2006-01-02 15:04:05.000000-07:00"))
+}
+
+func (jl JSONLiteral) SQL() string { return buildSQL(jl) }
+func (jl JSONLiteral) addSQL(sb *strings.Builder) {
+	fmt.Fprintf(sb, "JSON '%s'", jl)
+}
diff --git a/vendor/cloud.google.com/go/spanner/spansql/types.go b/vendor/cloud.google.com/go/spanner/spansql/types.go
new file mode 100644
index 000000000..481d83f10
--- /dev/null
+++ b/vendor/cloud.google.com/go/spanner/spansql/types.go
@@ -0,0 +1,1394 @@
+/*
+Copyright 2019 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package spansql
+
+// This file holds the type definitions for the SQL dialect.
+
+import (
+	"fmt"
+	"math"
+	"sort"
+	"strings"
+	"time"
+
+	"cloud.google.com/go/civil"
+)
+
+// TODO: More Position fields throughout; maybe in Query/Select.
+
+// CreateTable represents a CREATE TABLE statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#create_table
+type CreateTable struct {
+	Name              ID
+	IfNotExists       bool
+	Columns           []ColumnDef
+	Constraints       []TableConstraint
+	PrimaryKey        []KeyPart
+	Interleave        *Interleave
+	RowDeletionPolicy *RowDeletionPolicy
+	Synonym           ID // may be empty
+
+	Position Position // position of the "CREATE" token
+}
+
+func (ct *CreateTable) String() string { return fmt.Sprintf("%#v", ct) }
+func (*CreateTable) isDDLStmt()        {}
+func (ct *CreateTable) Pos() Position  { return ct.Position }
+func (ct *CreateTable) clearOffset() {
+	for i := range ct.Columns {
+		// Mutate in place.
+		ct.Columns[i].clearOffset()
+	}
+	for i := range ct.Constraints {
+		// Mutate in place.
+		ct.Constraints[i].clearOffset()
+	}
+	ct.Position.Offset = 0
+}
+
+// TableConstraint represents a constraint on a table.
+type TableConstraint struct {
+	Name       ID // may be empty
+	Constraint Constraint
+
+	Position Position // position of the "CONSTRAINT" token, or Constraint.Pos()
+}
+
+func (tc TableConstraint) Pos() Position { return tc.Position }
+func (tc *TableConstraint) clearOffset() {
+	switch c := tc.Constraint.(type) {
+	case ForeignKey:
+		c.clearOffset()
+		tc.Constraint = c
+	case Check:
+		c.clearOffset()
+		tc.Constraint = c
+	}
+	tc.Position.Offset = 0
+}
+
+type Constraint interface {
+	isConstraint()
+	SQL() string
+	Node
+}
+
+// Interleave represents an interleave clause of a CREATE TABLE statement.
+type Interleave struct {
+	Parent   ID
+	OnDelete OnDelete
+}
+
+// RowDeletionPolicy represents an row deletion policy clause of a CREATE, ALTER TABLE statement.
+type RowDeletionPolicy struct {
+	Column  ID
+	NumDays int64
+}
+
+// CreateIndex represents a CREATE INDEX statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#create-index
+type CreateIndex struct {
+	Name    ID
+	Table   ID
+	Columns []KeyPart
+
+	Unique       bool
+	NullFiltered bool
+	IfNotExists  bool
+
+	Storing    []ID
+	Interleave ID
+
+	Position Position // position of the "CREATE" token
+}
+
+func (ci *CreateIndex) String() string { return fmt.Sprintf("%#v", ci) }
+func (*CreateIndex) isDDLStmt()        {}
+func (ci *CreateIndex) Pos() Position  { return ci.Position }
+func (ci *CreateIndex) clearOffset()   { ci.Position.Offset = 0 }
+
+// CreateView represents a CREATE [OR REPLACE] VIEW statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#view_statements
+type CreateView struct {
+	Name         ID
+	OrReplace    bool
+	SecurityType SecurityType
+	Query        Query
+
+	Position Position // position of the "CREATE" token
+}
+
+func (cv *CreateView) String() string { return fmt.Sprintf("%#v", cv) }
+func (*CreateView) isDDLStmt()        {}
+func (cv *CreateView) Pos() Position  { return cv.Position }
+func (cv *CreateView) clearOffset()   { cv.Position.Offset = 0 }
+
+type SecurityType int
+
+const (
+	Invoker SecurityType = iota
+	Definer
+)
+
+// CreateRole represents a CREATE Role statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#create_role
+type CreateRole struct {
+	Name ID
+
+	Position Position // position of the "CREATE" token
+}
+
+func (cr *CreateRole) String() string { return fmt.Sprintf("%#v", cr) }
+func (*CreateRole) isDDLStmt()        {}
+func (cr *CreateRole) Pos() Position  { return cr.Position }
+func (cr *CreateRole) clearOffset()   { cr.Position.Offset = 0 }
+
+// DropTable represents a DROP TABLE statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#drop_table
+type DropTable struct {
+	Name     ID
+	IfExists bool
+
+	Position Position // position of the "DROP" token
+}
+
+func (dt *DropTable) String() string { return fmt.Sprintf("%#v", dt) }
+func (*DropTable) isDDLStmt()        {}
+func (dt *DropTable) Pos() Position  { return dt.Position }
+func (dt *DropTable) clearOffset()   { dt.Position.Offset = 0 }
+
+// DropIndex represents a DROP INDEX statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#drop-index
+type DropIndex struct {
+	Name     ID
+	IfExists bool
+
+	Position Position // position of the "DROP" token
+}
+
+func (di *DropIndex) String() string { return fmt.Sprintf("%#v", di) }
+func (*DropIndex) isDDLStmt()        {}
+func (di *DropIndex) Pos() Position  { return di.Position }
+func (di *DropIndex) clearOffset()   { di.Position.Offset = 0 }
+
+// DropView represents a DROP VIEW statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#drop-view
+type DropView struct {
+	Name ID
+
+	Position Position // position of the "DROP" token
+}
+
+func (dv *DropView) String() string { return fmt.Sprintf("%#v", dv) }
+func (*DropView) isDDLStmt()        {}
+func (dv *DropView) Pos() Position  { return dv.Position }
+func (dv *DropView) clearOffset()   { dv.Position.Offset = 0 }
+
+// DropRole represents a DROP ROLE statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#drop_role
+type DropRole struct {
+	Name ID
+
+	Position Position // position of the "DROP" token
+}
+
+func (dr *DropRole) String() string { return fmt.Sprintf("%#v", dr) }
+func (*DropRole) isDDLStmt()        {}
+func (dr *DropRole) Pos() Position  { return dr.Position }
+func (dr *DropRole) clearOffset()   { dr.Position.Offset = 0 }
+
+// GrantRole represents a GRANT statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#grant_statement
+type GrantRole struct {
+	ToRoleNames       []ID
+	GrantRoleNames    []ID
+	Privileges        []Privilege
+	TableNames        []ID
+	TvfNames          []ID
+	ViewNames         []ID
+	ChangeStreamNames []ID
+
+	Position Position // position of the "GRANT" token
+}
+
+func (gr *GrantRole) String() string { return fmt.Sprintf("%#v", gr) }
+func (*GrantRole) isDDLStmt()        {}
+func (gr *GrantRole) Pos() Position  { return gr.Position }
+func (gr *GrantRole) clearOffset()   { gr.Position.Offset = 0 }
+
+// RevokeRole represents a REVOKE statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#revoke_statement
+type RevokeRole struct {
+	FromRoleNames     []ID
+	RevokeRoleNames   []ID
+	Privileges        []Privilege
+	TableNames        []ID
+	TvfNames          []ID
+	ViewNames         []ID
+	ChangeStreamNames []ID
+	Position          Position // position of the "REVOKE" token
+}
+
+func (rr *RevokeRole) String() string { return fmt.Sprintf("%#v", rr) }
+func (*RevokeRole) isDDLStmt()        {}
+func (rr *RevokeRole) Pos() Position  { return rr.Position }
+func (rr *RevokeRole) clearOffset()   { rr.Position.Offset = 0 }
+
+// Privilege represents privilege to grant or revoke.
+type Privilege struct {
+	Type    PrivilegeType
+	Columns []ID
+}
+
+// AlterTable represents an ALTER TABLE statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#alter_table
+type AlterTable struct {
+	Name       ID
+	Alteration TableAlteration
+
+	Position Position // position of the "ALTER" token
+}
+
+func (at *AlterTable) String() string { return fmt.Sprintf("%#v", at) }
+func (*AlterTable) isDDLStmt()        {}
+func (at *AlterTable) Pos() Position  { return at.Position }
+func (at *AlterTable) clearOffset() {
+	switch alt := at.Alteration.(type) {
+	case AddColumn:
+		alt.Def.clearOffset()
+		at.Alteration = alt
+	case AddConstraint:
+		alt.Constraint.clearOffset()
+		at.Alteration = alt
+	}
+	at.Position.Offset = 0
+}
+
+// TableAlteration is satisfied by AddColumn, DropColumn, AddConstraint,
+// DropConstraint, SetOnDelete, AlterColumn,
+// AddRowDeletionPolicy, ReplaceRowDeletionPolicy, DropRowDeletionPolicy,
+// RenameTo, AddSynonym, and DropSynonym.
+type TableAlteration interface {
+	isTableAlteration()
+	SQL() string
+}
+
+func (AddColumn) isTableAlteration()                {}
+func (DropColumn) isTableAlteration()               {}
+func (AddConstraint) isTableAlteration()            {}
+func (DropConstraint) isTableAlteration()           {}
+func (SetOnDelete) isTableAlteration()              {}
+func (AlterColumn) isTableAlteration()              {}
+func (AddRowDeletionPolicy) isTableAlteration()     {}
+func (ReplaceRowDeletionPolicy) isTableAlteration() {}
+func (DropRowDeletionPolicy) isTableAlteration()    {}
+func (RenameTo) isTableAlteration()                 {}
+func (AddSynonym) isTableAlteration()               {}
+func (DropSynonym) isTableAlteration()              {}
+
+type (
+	AddColumn struct {
+		IfNotExists bool
+		Def         ColumnDef
+	}
+	DropColumn     struct{ Name ID }
+	AddConstraint  struct{ Constraint TableConstraint }
+	DropConstraint struct{ Name ID }
+	SetOnDelete    struct{ Action OnDelete }
+	AlterColumn    struct {
+		Name       ID
+		Alteration ColumnAlteration
+	}
+)
+
+type (
+	AddRowDeletionPolicy     struct{ RowDeletionPolicy RowDeletionPolicy }
+	ReplaceRowDeletionPolicy struct{ RowDeletionPolicy RowDeletionPolicy }
+	DropRowDeletionPolicy    struct{}
+)
+
+// ColumnAlteration is satisfied by SetColumnType and SetColumnOptions.
+type ColumnAlteration interface {
+	isColumnAlteration()
+	SQL() string
+}
+
+func (SetColumnType) isColumnAlteration()    {}
+func (SetColumnOptions) isColumnAlteration() {}
+func (SetDefault) isColumnAlteration()       {}
+func (DropDefault) isColumnAlteration()      {}
+
+type SetColumnType struct {
+	Type    Type
+	NotNull bool
+	Default Expr
+}
+
+type SetColumnOptions struct{ Options ColumnOptions }
+
+type SetDefault struct {
+	Default Expr
+}
+
+type DropDefault struct{}
+
+type OnDelete int
+
+const (
+	NoActionOnDelete OnDelete = iota
+	CascadeOnDelete
+)
+
+type (
+	RenameTo struct {
+		ToName  ID
+		Synonym ID // may be empty
+	}
+	AddSynonym  struct{ Name ID }
+	DropSynonym struct{ Name ID }
+)
+
+// RenameTable represents a RENAME TABLE statement.
+type RenameTable struct {
+	TableRenameOps []TableRenameOp
+
+	Position Position // position of the "RENAME" token
+}
+
+type TableRenameOp struct {
+	FromName ID
+	ToName   ID
+}
+
+func (rt *RenameTable) String() string { return fmt.Sprintf("%#v", rt) }
+func (*RenameTable) isDDLStmt()        {}
+func (rt *RenameTable) Pos() Position  { return rt.Position }
+func (rt *RenameTable) clearOffset()   { rt.Position.Offset = 0 }
+
+// AlterDatabase represents an ALTER DATABASE statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#alter-database
+type AlterDatabase struct {
+	Name       ID
+	Alteration DatabaseAlteration
+
+	Position Position // position of the "ALTER" token
+}
+
+func (ad *AlterDatabase) String() string { return fmt.Sprintf("%#v", ad) }
+func (*AlterDatabase) isDDLStmt()        {}
+func (ad *AlterDatabase) Pos() Position  { return ad.Position }
+func (ad *AlterDatabase) clearOffset()   { ad.Position.Offset = 0 }
+
+type DatabaseAlteration interface {
+	isDatabaseAlteration()
+	SQL() string
+}
+
+type SetDatabaseOptions struct{ Options DatabaseOptions }
+
+func (SetDatabaseOptions) isDatabaseAlteration() {}
+
+// DatabaseOptions represents options on a database as part of a
+// ALTER DATABASE statement.
+type DatabaseOptions struct {
+	OptimizerVersion           *int
+	OptimizerStatisticsPackage *string
+	VersionRetentionPeriod     *string
+	EnableKeyVisualizer        *bool
+	DefaultLeader              *string
+}
+
+// Delete represents a DELETE statement.
+// https://cloud.google.com/spanner/docs/dml-syntax#delete-statement
+type Delete struct {
+	Table ID
+	Where BoolExpr
+
+	// TODO: Alias
+}
+
+func (d *Delete) String() string { return fmt.Sprintf("%#v", d) }
+func (*Delete) isDMLStmt()       {}
+
+// Insert represents an INSERT statement.
+// https://cloud.google.com/spanner/docs/dml-syntax#insert-statement
+type Insert struct {
+	Table   ID
+	Columns []ID
+	Input   ValuesOrSelect
+}
+
+// Values represents one or more lists of expressions passed to an `INSERT` statement.
+type Values [][]Expr
+
+func (v Values) isValuesOrSelect() {}
+func (v Values) String() string    { return fmt.Sprintf("%#v", v) }
+
+type ValuesOrSelect interface {
+	isValuesOrSelect()
+	SQL() string
+}
+
+func (Select) isValuesOrSelect() {}
+
+func (i *Insert) String() string { return fmt.Sprintf("%#v", i) }
+func (*Insert) isDMLStmt()       {}
+
+// Update represents an UPDATE statement.
+// https://cloud.google.com/spanner/docs/dml-syntax#update-statement
+type Update struct {
+	Table ID
+	Items []UpdateItem
+	Where BoolExpr
+
+	// TODO: Alias
+}
+
+func (u *Update) String() string { return fmt.Sprintf("%#v", u) }
+func (*Update) isDMLStmt()       {}
+
+type UpdateItem struct {
+	Column ID
+	Value  Expr // or nil for DEFAULT
+}
+
+// ColumnDef represents a column definition as part of a CREATE TABLE
+// or ALTER TABLE statement.
+type ColumnDef struct {
+	Name    ID
+	Type    Type
+	NotNull bool
+
+	Default   Expr // set if this column has a default value
+	Generated Expr // set of this is a generated column
+
+	Options ColumnOptions
+
+	Position Position // position of the column name
+}
+
+func (cd ColumnDef) Pos() Position { return cd.Position }
+func (cd *ColumnDef) clearOffset() { cd.Position.Offset = 0 }
+
+// ColumnOptions represents options on a column as part of a
+// CREATE TABLE or ALTER TABLE statement.
+type ColumnOptions struct {
+	// AllowCommitTimestamp represents a column OPTIONS.
+	// `true` if query is `OPTIONS (allow_commit_timestamp = true)`
+	// `false` if query is `OPTIONS (allow_commit_timestamp = null)`
+	// `nil` if there are no OPTIONS
+	AllowCommitTimestamp *bool
+}
+
+// ForeignKey represents a foreign key definition as part of a CREATE TABLE
+// or ALTER TABLE statement.
+type ForeignKey struct {
+	Columns    []ID
+	RefTable   ID
+	RefColumns []ID
+	OnDelete   OnDelete
+
+	Position Position // position of the "FOREIGN" token
+}
+
+func (fk ForeignKey) Pos() Position { return fk.Position }
+func (fk *ForeignKey) clearOffset() { fk.Position.Offset = 0 }
+func (ForeignKey) isConstraint()    {}
+
+// Check represents a check constraint as part of a CREATE TABLE
+// or ALTER TABLE statement.
+type Check struct {
+	Expr BoolExpr
+
+	Position Position // position of the "CHECK" token
+}
+
+func (c Check) Pos() Position { return c.Position }
+func (c *Check) clearOffset() { c.Position.Offset = 0 }
+func (Check) isConstraint()   {}
+
+// Type represents a column type.
+type Type struct {
+	Array bool
+	Base  TypeBase // Bool, Int64, Float64, Numeric, String, Bytes, Date, Timestamp
+	Len   int64    // if Base is String or Bytes; may be MaxLen
+}
+
+// MaxLen is a sentinel for Type's Len field, representing the MAX value.
+const MaxLen = math.MaxInt64
+
+type TypeBase int
+
+const (
+	Bool TypeBase = iota
+	Int64
+	Float64
+	Numeric
+	String
+	Bytes
+	Date
+	Timestamp
+	JSON
+)
+
+type PrivilegeType int
+
+const (
+	PrivilegeTypeSelect PrivilegeType = iota
+	PrivilegeTypeInsert
+	PrivilegeTypeUpdate
+	PrivilegeTypeDelete
+)
+
+// KeyPart represents a column specification as part of a primary key or index definition.
+type KeyPart struct {
+	Column ID
+	Desc   bool
+}
+
+// Query represents a query statement.
+// https://cloud.google.com/spanner/docs/query-syntax#sql-syntax
+type Query struct {
+	Select Select
+	Order  []Order
+
+	Limit, Offset LiteralOrParam
+}
+
+// Select represents a SELECT statement.
+// https://cloud.google.com/spanner/docs/query-syntax#select-list
+type Select struct {
+	Distinct bool
+	List     []Expr
+	From     []SelectFrom
+	Where    BoolExpr
+	GroupBy  []Expr
+	// TODO: Having
+
+	// When the FROM clause has TABLESAMPLE operators,
+	// TableSamples will be populated 1:1 with From;
+	// FROM clauses without will have a nil value.
+	TableSamples []*TableSample
+
+	// If the SELECT list has explicit aliases ("AS alias"),
+	// ListAliases will be populated 1:1 with List;
+	// aliases that are present will be non-empty.
+	ListAliases []ID
+}
+
+// SelectFrom represents the FROM clause of a SELECT.
+// https://cloud.google.com/spanner/docs/query-syntax#from_clause
+type SelectFrom interface {
+	isSelectFrom()
+	SQL() string
+}
+
+// SelectFromTable is a SelectFrom that specifies a table to read from.
+type SelectFromTable struct {
+	Table ID
+	Alias ID // empty if not aliased
+	Hints map[string]string
+}
+
+func (SelectFromTable) isSelectFrom() {}
+
+// SelectFromJoin is a SelectFrom that joins two other SelectFroms.
+// https://cloud.google.com/spanner/docs/query-syntax#join_types
+type SelectFromJoin struct {
+	Type     JoinType
+	LHS, RHS SelectFrom
+
+	// Join condition.
+	// At most one of {On,Using} may be set.
+	On    BoolExpr
+	Using []ID
+
+	// Hints are suggestions for how to evaluate a join.
+	// https://cloud.google.com/spanner/docs/query-syntax#join-hints
+	Hints map[string]string
+}
+
+func (SelectFromJoin) isSelectFrom() {}
+
+type JoinType int
+
+const (
+	InnerJoin JoinType = iota
+	CrossJoin
+	FullJoin
+	LeftJoin
+	RightJoin
+)
+
+// SelectFromUnnest is a SelectFrom that yields a virtual table from an array.
+// https://cloud.google.com/spanner/docs/query-syntax#unnest
+type SelectFromUnnest struct {
+	Expr  Expr
+	Alias ID // empty if not aliased
+
+	// TODO: Implicit
+}
+
+func (SelectFromUnnest) isSelectFrom() {}
+
+// TODO: SelectFromSubquery, etc.
+
+type Order struct {
+	Expr Expr
+	Desc bool
+}
+
+type TableSample struct {
+	Method   TableSampleMethod
+	Size     Expr
+	SizeType TableSampleSizeType
+}
+
+type TableSampleMethod int
+
+const (
+	Bernoulli TableSampleMethod = iota
+	Reservoir
+)
+
+type TableSampleSizeType int
+
+const (
+	PercentTableSample TableSampleSizeType = iota
+	RowsTableSample
+)
+
+type BoolExpr interface {
+	isBoolExpr()
+	Expr
+}
+
+type Expr interface {
+	isExpr()
+	SQL() string
+	addSQL(*strings.Builder)
+}
+
+// LiteralOrParam is implemented by integer literal and parameter values.
+type LiteralOrParam interface {
+	isLiteralOrParam()
+	SQL() string
+}
+
+type ArithOp struct {
+	Op       ArithOperator
+	LHS, RHS Expr // only RHS is set for Neg, Plus, BitNot
+}
+
+func (ArithOp) isExpr() {}
+
+type ArithOperator int
+
+const (
+	Neg    ArithOperator = iota // unary -
+	Plus                        // unary +
+	BitNot                      // unary ~
+	Mul                         // *
+	Div                         // /
+	Concat                      // ||
+	Add                         // +
+	Sub                         // -
+	BitShl                      // <<
+	BitShr                      // >>
+	BitAnd                      // &
+	BitXor                      // ^
+	BitOr                       // |
+)
+
+type LogicalOp struct {
+	Op       LogicalOperator
+	LHS, RHS BoolExpr // only RHS is set for Not
+}
+
+func (LogicalOp) isBoolExpr() {}
+func (LogicalOp) isExpr()     {}
+
+type LogicalOperator int
+
+const (
+	And LogicalOperator = iota
+	Or
+	Not
+)
+
+type ComparisonOp struct {
+	Op       ComparisonOperator
+	LHS, RHS Expr
+
+	// RHS2 is the third operand for BETWEEN.
+	// "<LHS> BETWEEN <RHS> AND <RHS2>".
+	RHS2 Expr
+}
+
+func (ComparisonOp) isBoolExpr() {}
+func (ComparisonOp) isExpr()     {}
+
+type ComparisonOperator int
+
+const (
+	Lt ComparisonOperator = iota
+	Le
+	Gt
+	Ge
+	Eq
+	Ne // both "!=" and "<>"
+	Like
+	NotLike
+	Between
+	NotBetween
+)
+
+type InOp struct {
+	LHS    Expr
+	Neg    bool
+	RHS    []Expr
+	Unnest bool
+
+	// TODO: support subquery form
+}
+
+func (InOp) isBoolExpr() {} // usually
+func (InOp) isExpr()     {}
+
+type IsOp struct {
+	LHS Expr
+	Neg bool
+	RHS IsExpr
+}
+
+func (IsOp) isBoolExpr() {}
+func (IsOp) isExpr()     {}
+
+type IsExpr interface {
+	isIsExpr()
+	Expr
+}
+
+// PathExp represents a path expression.
+//
+// The grammar for path expressions is not defined (see b/169017423 internally),
+// so this captures the most common form only, namely a dotted sequence of identifiers.
+type PathExp []ID
+
+func (PathExp) isExpr() {}
+
+// Func represents a function call.
+type Func struct {
+	Name string // not ID
+	Args []Expr
+
+	Distinct      bool
+	NullsHandling NullsHandling
+	Having        *AggregateHaving
+}
+
+func (Func) isBoolExpr() {} // possibly bool
+func (Func) isExpr()     {}
+
+// TypedExpr represents a typed expression in the form `expr AS type_name`, e.g. `'17' AS INT64`.
+type TypedExpr struct {
+	Type Type
+	Expr Expr
+}
+
+func (TypedExpr) isBoolExpr() {} // possibly bool
+func (TypedExpr) isExpr()     {}
+
+type ExtractExpr struct {
+	Part string
+	Type Type
+	Expr Expr
+}
+
+func (ExtractExpr) isBoolExpr() {} // possibly bool
+func (ExtractExpr) isExpr()     {}
+
+type AtTimeZoneExpr struct {
+	Expr Expr
+	Type Type
+	Zone string
+}
+
+func (AtTimeZoneExpr) isBoolExpr() {} // possibly bool
+func (AtTimeZoneExpr) isExpr()     {}
+
+type IntervalExpr struct {
+	Expr     Expr
+	DatePart string
+}
+
+func (IntervalExpr) isBoolExpr() {} // possibly bool
+func (IntervalExpr) isExpr()     {}
+
+type SequenceExpr struct {
+	Name ID
+}
+
+func (SequenceExpr) isExpr() {}
+
+// NullsHandling represents the method of dealing with NULL values in aggregate functions.
+type NullsHandling int
+
+const (
+	NullsHandlingUnspecified NullsHandling = iota
+	RespectNulls
+	IgnoreNulls
+)
+
+// AggregateHaving represents the HAVING clause specific to aggregate functions, restricting rows based on a maximal or minimal value.
+type AggregateHaving struct {
+	Condition AggregateHavingCondition
+	Expr      Expr
+}
+
+// AggregateHavingCondition represents the condition (MAX or MIN) for the AggregateHaving clause.
+type AggregateHavingCondition int
+
+const (
+	HavingMax AggregateHavingCondition = iota
+	HavingMin
+)
+
+// Paren represents a parenthesised expression.
+type Paren struct {
+	Expr Expr
+}
+
+func (Paren) isBoolExpr() {} // possibly bool
+func (Paren) isExpr()     {}
+
+// Array represents an array literal.
+type Array []Expr
+
+func (Array) isExpr() {}
+
+// ID represents an identifier.
+// https://cloud.google.com/spanner/docs/lexical#identifiers
+type ID string
+
+func (ID) isBoolExpr() {} // possibly bool
+func (ID) isExpr()     {}
+
+// Param represents a query parameter.
+type Param string
+
+func (Param) isBoolExpr()       {} // possibly bool
+func (Param) isExpr()           {}
+func (Param) isLiteralOrParam() {}
+
+type Case struct {
+	Expr        Expr
+	WhenClauses []WhenClause
+	ElseResult  Expr
+}
+
+func (Case) isBoolExpr() {} // possibly bool
+func (Case) isExpr()     {}
+
+type WhenClause struct {
+	Cond   Expr
+	Result Expr
+}
+
+type Coalesce struct {
+	ExprList []Expr
+}
+
+func (Coalesce) isBoolExpr() {} // possibly bool
+func (Coalesce) isExpr()     {}
+
+type If struct {
+	Expr       Expr
+	TrueResult Expr
+	ElseResult Expr
+}
+
+func (If) isBoolExpr() {} // possibly bool
+func (If) isExpr()     {}
+
+type IfNull struct {
+	Expr       Expr
+	NullResult Expr
+}
+
+func (IfNull) isBoolExpr() {} // possibly bool
+func (IfNull) isExpr()     {}
+
+type NullIf struct {
+	Expr        Expr
+	ExprToMatch Expr
+}
+
+func (NullIf) isBoolExpr() {} // possibly bool
+func (NullIf) isExpr()     {}
+
+type BoolLiteral bool
+
+const (
+	True  = BoolLiteral(true)
+	False = BoolLiteral(false)
+)
+
+func (BoolLiteral) isBoolExpr() {}
+func (BoolLiteral) isIsExpr()   {}
+func (BoolLiteral) isExpr()     {}
+
+type NullLiteral int
+
+const Null = NullLiteral(0)
+
+func (NullLiteral) isIsExpr() {}
+func (NullLiteral) isExpr()   {}
+
+// IntegerLiteral represents an integer literal.
+// https://cloud.google.com/spanner/docs/lexical#integer-literals
+type IntegerLiteral int64
+
+func (IntegerLiteral) isLiteralOrParam() {}
+func (IntegerLiteral) isExpr()           {}
+
+// FloatLiteral represents a floating point literal.
+// https://cloud.google.com/spanner/docs/lexical#floating-point-literals
+type FloatLiteral float64
+
+func (FloatLiteral) isExpr() {}
+
+// StringLiteral represents a string literal.
+// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+type StringLiteral string
+
+func (StringLiteral) isExpr() {}
+
+// BytesLiteral represents a bytes literal.
+// https://cloud.google.com/spanner/docs/lexical#string-and-bytes-literals
+type BytesLiteral string
+
+func (BytesLiteral) isExpr() {}
+
+// DateLiteral represents a date literal.
+// https://cloud.google.com/spanner/docs/lexical#date_literals
+type DateLiteral civil.Date
+
+func (DateLiteral) isExpr() {}
+
+// TimestampLiteral represents a timestamp literal.
+// https://cloud.google.com/spanner/docs/lexical#timestamp_literals
+type TimestampLiteral time.Time
+
+func (TimestampLiteral) isExpr() {}
+
+// JSONLiteral represents a JSON literal
+// https://cloud.google.com/spanner/docs/reference/standard-sql/lexical#json_literals
+type JSONLiteral []byte
+
+func (JSONLiteral) isExpr() {}
+
+type StarExpr int
+
+// Star represents a "*" in an expression.
+const Star = StarExpr(0)
+
+func (StarExpr) isExpr() {}
+
+type statements interface {
+	setFilename(string)
+	getComments() []*Comment
+	addComment(*Comment)
+}
+
+// DDL
+// https://cloud.google.com/spanner/docs/data-definition-language#ddl_syntax
+
+// DDL represents a Data Definition Language (DDL) file.
+type DDL struct {
+	List []DDLStmt
+
+	Filename string // if known at parse time
+
+	Comments []*Comment // all comments, sorted by position
+}
+
+func (d *DDL) clearOffset() {
+	for _, stmt := range d.List {
+		stmt.clearOffset()
+	}
+	for _, c := range d.Comments {
+		c.clearOffset()
+	}
+}
+
+func (d *DDL) setFilename(filename string) {
+	d.Filename = filename
+}
+
+func (d *DDL) addComment(comment *Comment) {
+	d.Comments = append(d.Comments, comment)
+}
+
+func (d *DDL) getComments() []*Comment {
+	return d.Comments
+}
+
+// DML
+// https://cloud.google.com/spanner/docs/reference/standard-sql/dml-syntax
+
+// DML represents a Data Manipulation Language (DML) file.
+type DML struct {
+	List []DMLStmt
+
+	Filename string // if known at parse time
+
+	Comments []*Comment // all comments, sorted by position
+}
+
+func (d *DML) clearOffset() {
+	for _, c := range d.Comments {
+		c.clearOffset()
+	}
+}
+
+func (d *DML) setFilename(filename string) {
+	d.Filename = filename
+}
+
+func (d *DML) addComment(comment *Comment) {
+	d.Comments = append(d.Comments, comment)
+}
+
+func (d *DML) getComments() []*Comment {
+	return d.Comments
+}
+
+// DDLStmt is satisfied by a type that can appear in a DDL.
+type DDLStmt interface {
+	isDDLStmt()
+	clearOffset()
+	SQL() string
+	Node
+}
+
+// DMLStmt is satisfied by a type that is a DML statement.
+type DMLStmt interface {
+	isDMLStmt()
+	SQL() string
+}
+
+// Comment represents a comment.
+type Comment struct {
+	Marker   string // Opening marker; one of "#", "--", "/*".
+	Isolated bool   // Whether this comment is on its own line.
+	// Start and End are the position of the opening and terminating marker.
+	Start, End Position
+	Text       []string
+}
+
+func (c *Comment) String() string { return fmt.Sprintf("%#v", c) }
+func (c *Comment) Pos() Position  { return c.Start }
+func (c *Comment) clearOffset()   { c.Start.Offset, c.End.Offset = 0, 0 }
+
+// Node is implemented by concrete types in this package that represent things
+// appearing in a DDL file.
+type Node interface {
+	Pos() Position
+	// clearOffset() is not included here because some types like ColumnDef
+	// have the method on their pointer type rather than their natural value type.
+	// This method is only invoked from within this package, so it isn't
+	// important to enforce such things.
+}
+
+// Position describes a source position in an input DDL file.
+// It is only valid if the line number is positive.
+type Position struct {
+	Line   int // 1-based line number
+	Offset int // 0-based byte offset
+}
+
+func (pos Position) IsValid() bool { return pos.Line > 0 }
+func (pos Position) String() string {
+	if pos.Line == 0 {
+		return ":<invalid>"
+	}
+	return fmt.Sprintf(":%d", pos.Line)
+}
+
+// LeadingComment returns the comment that immediately precedes a node,
+// or nil if there's no such comment.
+func (d *DDL) LeadingComment(n Node) *Comment {
+	return getLeadingComment(d, n)
+}
+
+// InlineComment returns the comment on the same line as a node,
+// or nil if there's no inline comment.
+// The returned comment is guaranteed to be a single line.
+func (d *DDL) InlineComment(n Node) *Comment {
+	return getInlineComment(d, n)
+}
+
+// LeadingComment returns the comment that immediately precedes a node,
+// or nil if there's no such comment.
+func (d *DML) LeadingComment(n Node) *Comment {
+	return getLeadingComment(d, n)
+}
+
+// InlineComment returns the comment on the same line as a node,
+// or nil if there's no inline comment.
+// The returned comment is guaranteed to be a single line.
+func (d *DML) InlineComment(n Node) *Comment {
+	return getInlineComment(d, n)
+}
+
+func getLeadingComment(stmts statements, n Node) *Comment {
+	// Get the comment whose End position is on the previous line.
+	lineEnd := n.Pos().Line - 1
+	comments := stmts.getComments()
+	ci := sort.Search(len(comments), func(i int) bool {
+		return comments[i].End.Line >= lineEnd
+	})
+	if ci >= len(comments) || comments[ci].End.Line != lineEnd {
+		return nil
+	}
+	if !comments[ci].Isolated {
+		// This is an inline comment for a previous node.
+		return nil
+	}
+	return comments[ci]
+}
+
+func getInlineComment(stmts statements, n Node) *Comment {
+	// TODO: Do we care about comments like this?
+	// 	string name = 1; /* foo
+	// 	bar */
+
+	pos := n.Pos()
+	comments := stmts.getComments()
+	ci := sort.Search(len(comments), func(i int) bool {
+		return comments[i].Start.Line >= pos.Line
+	})
+	if ci >= len(comments) {
+		return nil
+	}
+	c := comments[ci]
+	if c.Start.Line != pos.Line {
+		return nil
+	}
+	if c.Start.Line != c.End.Line || len(c.Text) != 1 {
+		// Multi-line comment; don't return it.
+		return nil
+	}
+	return c
+}
+
+// CreateChangeStream represents a CREATE CHANGE STREAM statement.
+// https://cloud.google.com/spanner/docs/change-streams/manage
+type CreateChangeStream struct {
+	Name           ID
+	Watch          []WatchDef
+	WatchAllTables bool
+	Options        ChangeStreamOptions
+
+	Position Position
+}
+
+func (cs *CreateChangeStream) String() string { return fmt.Sprintf("%#v", cs) }
+func (*CreateChangeStream) isDDLStmt()        {}
+func (cs *CreateChangeStream) Pos() Position  { return cs.Position }
+func (cs *CreateChangeStream) clearOffset() {
+	for i := range cs.Watch {
+		// Mutate in place.
+		cs.Watch[i].clearOffset()
+	}
+	cs.Position.Offset = 0
+}
+
+// AlterChangeStream represents a ALTER CHANGE STREAM statement.
+type AlterChangeStream struct {
+	Name       ID
+	Alteration ChangeStreamAlteration
+
+	Position Position
+}
+
+func (acs *AlterChangeStream) String() string { return fmt.Sprintf("%#v", acs) }
+func (*AlterChangeStream) isDDLStmt()         {}
+func (acs *AlterChangeStream) Pos() Position  { return acs.Position }
+func (acs *AlterChangeStream) clearOffset() {
+	acs.Position.Offset = 0
+}
+
+type ChangeStreamAlteration interface {
+	isChangeStreamAlteration()
+	SQL() string
+}
+
+func (AlterWatch) isChangeStreamAlteration()               {}
+func (DropChangeStreamWatch) isChangeStreamAlteration()    {}
+func (AlterChangeStreamOptions) isChangeStreamAlteration() {}
+
+type (
+	AlterWatch struct {
+		WatchAllTables bool
+		Watch          []WatchDef
+	}
+	DropChangeStreamWatch    struct{}
+	AlterChangeStreamOptions struct{ Options ChangeStreamOptions }
+)
+
+// DropChangeStream represents a DROP CHANGE STREAM statement.
+type DropChangeStream struct {
+	Name ID
+
+	Position Position
+}
+
+func (dc *DropChangeStream) String() string { return fmt.Sprintf("%#v", dc) }
+func (*DropChangeStream) isDDLStmt()        {}
+func (dc *DropChangeStream) Pos() Position  { return dc.Position }
+func (dc *DropChangeStream) clearOffset()   { dc.Position.Offset = 0 }
+
+type WatchDef struct {
+	Table        ID
+	Columns      []ID
+	WatchAllCols bool
+
+	Position Position
+}
+
+func (wd WatchDef) Pos() Position { return wd.Position }
+func (wd *WatchDef) clearOffset() { wd.Position.Offset = 0 }
+
+type ChangeStreamOptions struct {
+	RetentionPeriod  *string
+	ValueCaptureType *string
+}
+
+// AlterStatistics represents an ALTER STATISTICS statement.
+// https://cloud.google.com/spanner/docs/data-definition-language#alter-statistics
+type AlterStatistics struct {
+	Name       ID
+	Alteration StatisticsAlteration
+
+	Position Position // position of the "ALTER" token
+}
+
+func (as *AlterStatistics) String() string { return fmt.Sprintf("%#v", as) }
+func (*AlterStatistics) isDDLStmt()        {}
+func (as *AlterStatistics) Pos() Position  { return as.Position }
+func (as *AlterStatistics) clearOffset()   { as.Position.Offset = 0 }
+
+type StatisticsAlteration interface {
+	isStatisticsAlteration()
+	SQL() string
+}
+
+type SetStatisticsOptions struct{ Options StatisticsOptions }
+
+func (SetStatisticsOptions) isStatisticsAlteration() {}
+
+// StatisticsOptions represents options on a statistics as part of a ALTER STATISTICS statement.
+type StatisticsOptions struct {
+	AllowGC *bool
+}
+
+type AlterIndex struct {
+	Name       ID
+	Alteration IndexAlteration
+
+	Position Position // position of the "ALTER" token
+}
+
+func (as *AlterIndex) String() string { return fmt.Sprintf("%#v", as) }
+func (*AlterIndex) isDDLStmt()        {}
+func (as *AlterIndex) Pos() Position  { return as.Position }
+func (as *AlterIndex) clearOffset()   { as.Position.Offset = 0 }
+
+type IndexAlteration interface {
+	isIndexAlteration()
+	SQL() string
+}
+
+func (AddStoredColumn) isIndexAlteration()  {}
+func (DropStoredColumn) isIndexAlteration() {}
+
+type (
+	AddStoredColumn  struct{ Name ID }
+	DropStoredColumn struct{ Name ID }
+)
+
+// CreateSequence represents an ALTER SEQUENCE statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#create-sequence
+type CreateSequence struct {
+	Name        ID
+	IfNotExists bool
+	Options     SequenceOptions
+
+	Position Position
+}
+
+func (cs *CreateSequence) String() string { return fmt.Sprintf("%#v", cs) }
+func (*CreateSequence) isDDLStmt()        {}
+func (cs *CreateSequence) Pos() Position  { return cs.Position }
+func (cs *CreateSequence) clearOffset()   { cs.Position.Offset = 0 }
+
+// AlterSequence represents an ALTER SEQUENCE statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#alter-sequence
+type AlterSequence struct {
+	Name       ID
+	Alteration SequenceAlteration
+
+	Position Position
+}
+
+func (as *AlterSequence) String() string { return fmt.Sprintf("%#v", as) }
+func (*AlterSequence) isDDLStmt()        {}
+func (as *AlterSequence) Pos() Position  { return as.Position }
+func (as *AlterSequence) clearOffset()   { as.Position.Offset = 0 }
+
+type SequenceAlteration interface {
+	isSequenceAlteration()
+	SQL() string
+}
+
+type SetSequenceOptions struct{ Options SequenceOptions }
+
+func (SetSequenceOptions) isSequenceAlteration() {}
+
+// SequenceOptions represents options on a sequence as part of a CREATE SEQUENCE and ALTER SEQUENCE statement.
+type SequenceOptions struct {
+	SequenceKind     *string
+	SkipRangeMin     *int
+	SkipRangeMax     *int
+	StartWithCounter *int
+}
+
+// DropSequence represents a DROP SEQUENCE statement.
+// https://cloud.google.com/spanner/docs/reference/standard-sql/data-definition-language#drop-sequence
+type DropSequence struct {
+	Name     ID
+	IfExists bool
+
+	Position Position
+}
+
+func (ds *DropSequence) String() string { return fmt.Sprintf("%#v", ds) }
+func (*DropSequence) isDDLStmt()        {}
+func (ds *DropSequence) Pos() Position  { return ds.Position }
+func (ds *DropSequence) clearOffset()   { ds.Position.Offset = 0 }