// 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 alloydb

import (
	"bytes"
	"context"
	"fmt"
	"io"
	"math"
	"net/http"
	"net/url"
	"time"

	alloydbpb "cloud.google.com/go/alloydb/apiv1alpha/alloydbpb"
	"cloud.google.com/go/longrunning"
	lroauto "cloud.google.com/go/longrunning/autogen"
	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
	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"
	locationpb "google.golang.org/genproto/googleapis/cloud/location"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/protobuf/encoding/protojson"
	"google.golang.org/protobuf/proto"
)

var newAlloyDBAdminClientHook clientHook

// AlloyDBAdminCallOptions contains the retry settings for each method of AlloyDBAdminClient.
type AlloyDBAdminCallOptions struct {
	ListClusters               []gax.CallOption
	GetCluster                 []gax.CallOption
	CreateCluster              []gax.CallOption
	UpdateCluster              []gax.CallOption
	DeleteCluster              []gax.CallOption
	PromoteCluster             []gax.CallOption
	RestoreCluster             []gax.CallOption
	CreateSecondaryCluster     []gax.CallOption
	ListInstances              []gax.CallOption
	GetInstance                []gax.CallOption
	CreateInstance             []gax.CallOption
	CreateSecondaryInstance    []gax.CallOption
	BatchCreateInstances       []gax.CallOption
	UpdateInstance             []gax.CallOption
	DeleteInstance             []gax.CallOption
	FailoverInstance           []gax.CallOption
	InjectFault                []gax.CallOption
	RestartInstance            []gax.CallOption
	ListBackups                []gax.CallOption
	GetBackup                  []gax.CallOption
	CreateBackup               []gax.CallOption
	UpdateBackup               []gax.CallOption
	DeleteBackup               []gax.CallOption
	ListSupportedDatabaseFlags []gax.CallOption
	GenerateClientCertificate  []gax.CallOption
	GetConnectionInfo          []gax.CallOption
	ListUsers                  []gax.CallOption
	GetUser                    []gax.CallOption
	CreateUser                 []gax.CallOption
	UpdateUser                 []gax.CallOption
	DeleteUser                 []gax.CallOption
	ListDatabases              []gax.CallOption
	GetLocation                []gax.CallOption
	ListLocations              []gax.CallOption
	CancelOperation            []gax.CallOption
	DeleteOperation            []gax.CallOption
	GetOperation               []gax.CallOption
	ListOperations             []gax.CallOption
}

func defaultAlloyDBAdminGRPCClientOptions() []option.ClientOption {
	return []option.ClientOption{
		internaloption.WithDefaultEndpoint("alloydb.googleapis.com:443"),
		internaloption.WithDefaultEndpointTemplate("alloydb.UNIVERSE_DOMAIN:443"),
		internaloption.WithDefaultMTLSEndpoint("alloydb.mtls.googleapis.com:443"),
		internaloption.WithDefaultUniverseDomain("googleapis.com"),
		internaloption.WithDefaultAudience("https://alloydb.googleapis.com/"),
		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
		internaloption.EnableJwtWithScope(),
		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
}

func defaultAlloyDBAdminCallOptions() *AlloyDBAdminCallOptions {
	return &AlloyDBAdminCallOptions{
		ListClusters: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		CreateCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		PromoteCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		RestoreCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		CreateSecondaryCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListInstances: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		CreateInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		CreateSecondaryInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		BatchCreateInstances: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		FailoverInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		InjectFault: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		RestartInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListBackups: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		CreateBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListSupportedDatabaseFlags: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GenerateClientCertificate: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetConnectionInfo: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ListUsers: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		CreateUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListDatabases: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unavailable,
				}, gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetLocation:     []gax.CallOption{},
		ListLocations:   []gax.CallOption{},
		CancelOperation: []gax.CallOption{},
		DeleteOperation: []gax.CallOption{},
		GetOperation:    []gax.CallOption{},
		ListOperations:  []gax.CallOption{},
	}
}

func defaultAlloyDBAdminRESTCallOptions() *AlloyDBAdminCallOptions {
	return &AlloyDBAdminCallOptions{
		ListClusters: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		CreateCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		PromoteCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		RestoreCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		CreateSecondaryCluster: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListInstances: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		CreateInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		CreateSecondaryInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		BatchCreateInstances: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		FailoverInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		InjectFault: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		RestartInstance: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListBackups: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		CreateBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteBackup: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListSupportedDatabaseFlags: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GenerateClientCertificate: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetConnectionInfo: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		ListUsers: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		CreateUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		UpdateUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		DeleteUser: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
		},
		ListDatabases: []gax.CallOption{
			gax.WithTimeout(60000 * time.Millisecond),
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    1000 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable)
			}),
		},
		GetLocation:     []gax.CallOption{},
		ListLocations:   []gax.CallOption{},
		CancelOperation: []gax.CallOption{},
		DeleteOperation: []gax.CallOption{},
		GetOperation:    []gax.CallOption{},
		ListOperations:  []gax.CallOption{},
	}
}

// internalAlloyDBAdminClient is an interface that defines the methods available from AlloyDB API.
type internalAlloyDBAdminClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	ListClusters(context.Context, *alloydbpb.ListClustersRequest, ...gax.CallOption) *ClusterIterator
	GetCluster(context.Context, *alloydbpb.GetClusterRequest, ...gax.CallOption) (*alloydbpb.Cluster, error)
	CreateCluster(context.Context, *alloydbpb.CreateClusterRequest, ...gax.CallOption) (*CreateClusterOperation, error)
	CreateClusterOperation(name string) *CreateClusterOperation
	UpdateCluster(context.Context, *alloydbpb.UpdateClusterRequest, ...gax.CallOption) (*UpdateClusterOperation, error)
	UpdateClusterOperation(name string) *UpdateClusterOperation
	DeleteCluster(context.Context, *alloydbpb.DeleteClusterRequest, ...gax.CallOption) (*DeleteClusterOperation, error)
	DeleteClusterOperation(name string) *DeleteClusterOperation
	PromoteCluster(context.Context, *alloydbpb.PromoteClusterRequest, ...gax.CallOption) (*PromoteClusterOperation, error)
	PromoteClusterOperation(name string) *PromoteClusterOperation
	RestoreCluster(context.Context, *alloydbpb.RestoreClusterRequest, ...gax.CallOption) (*RestoreClusterOperation, error)
	RestoreClusterOperation(name string) *RestoreClusterOperation
	CreateSecondaryCluster(context.Context, *alloydbpb.CreateSecondaryClusterRequest, ...gax.CallOption) (*CreateSecondaryClusterOperation, error)
	CreateSecondaryClusterOperation(name string) *CreateSecondaryClusterOperation
	ListInstances(context.Context, *alloydbpb.ListInstancesRequest, ...gax.CallOption) *InstanceIterator
	GetInstance(context.Context, *alloydbpb.GetInstanceRequest, ...gax.CallOption) (*alloydbpb.Instance, error)
	CreateInstance(context.Context, *alloydbpb.CreateInstanceRequest, ...gax.CallOption) (*CreateInstanceOperation, error)
	CreateInstanceOperation(name string) *CreateInstanceOperation
	CreateSecondaryInstance(context.Context, *alloydbpb.CreateSecondaryInstanceRequest, ...gax.CallOption) (*CreateSecondaryInstanceOperation, error)
	CreateSecondaryInstanceOperation(name string) *CreateSecondaryInstanceOperation
	BatchCreateInstances(context.Context, *alloydbpb.BatchCreateInstancesRequest, ...gax.CallOption) (*BatchCreateInstancesOperation, error)
	BatchCreateInstancesOperation(name string) *BatchCreateInstancesOperation
	UpdateInstance(context.Context, *alloydbpb.UpdateInstanceRequest, ...gax.CallOption) (*UpdateInstanceOperation, error)
	UpdateInstanceOperation(name string) *UpdateInstanceOperation
	DeleteInstance(context.Context, *alloydbpb.DeleteInstanceRequest, ...gax.CallOption) (*DeleteInstanceOperation, error)
	DeleteInstanceOperation(name string) *DeleteInstanceOperation
	FailoverInstance(context.Context, *alloydbpb.FailoverInstanceRequest, ...gax.CallOption) (*FailoverInstanceOperation, error)
	FailoverInstanceOperation(name string) *FailoverInstanceOperation
	InjectFault(context.Context, *alloydbpb.InjectFaultRequest, ...gax.CallOption) (*InjectFaultOperation, error)
	InjectFaultOperation(name string) *InjectFaultOperation
	RestartInstance(context.Context, *alloydbpb.RestartInstanceRequest, ...gax.CallOption) (*RestartInstanceOperation, error)
	RestartInstanceOperation(name string) *RestartInstanceOperation
	ListBackups(context.Context, *alloydbpb.ListBackupsRequest, ...gax.CallOption) *BackupIterator
	GetBackup(context.Context, *alloydbpb.GetBackupRequest, ...gax.CallOption) (*alloydbpb.Backup, error)
	CreateBackup(context.Context, *alloydbpb.CreateBackupRequest, ...gax.CallOption) (*CreateBackupOperation, error)
	CreateBackupOperation(name string) *CreateBackupOperation
	UpdateBackup(context.Context, *alloydbpb.UpdateBackupRequest, ...gax.CallOption) (*UpdateBackupOperation, error)
	UpdateBackupOperation(name string) *UpdateBackupOperation
	DeleteBackup(context.Context, *alloydbpb.DeleteBackupRequest, ...gax.CallOption) (*DeleteBackupOperation, error)
	DeleteBackupOperation(name string) *DeleteBackupOperation
	ListSupportedDatabaseFlags(context.Context, *alloydbpb.ListSupportedDatabaseFlagsRequest, ...gax.CallOption) *SupportedDatabaseFlagIterator
	GenerateClientCertificate(context.Context, *alloydbpb.GenerateClientCertificateRequest, ...gax.CallOption) (*alloydbpb.GenerateClientCertificateResponse, error)
	GetConnectionInfo(context.Context, *alloydbpb.GetConnectionInfoRequest, ...gax.CallOption) (*alloydbpb.ConnectionInfo, error)
	ListUsers(context.Context, *alloydbpb.ListUsersRequest, ...gax.CallOption) *UserIterator
	GetUser(context.Context, *alloydbpb.GetUserRequest, ...gax.CallOption) (*alloydbpb.User, error)
	CreateUser(context.Context, *alloydbpb.CreateUserRequest, ...gax.CallOption) (*alloydbpb.User, error)
	UpdateUser(context.Context, *alloydbpb.UpdateUserRequest, ...gax.CallOption) (*alloydbpb.User, error)
	DeleteUser(context.Context, *alloydbpb.DeleteUserRequest, ...gax.CallOption) error
	ListDatabases(context.Context, *alloydbpb.ListDatabasesRequest, ...gax.CallOption) *DatabaseIterator
	GetLocation(context.Context, *locationpb.GetLocationRequest, ...gax.CallOption) (*locationpb.Location, error)
	ListLocations(context.Context, *locationpb.ListLocationsRequest, ...gax.CallOption) *LocationIterator
	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
}

// AlloyDBAdminClient is a client for interacting with AlloyDB API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// Service describing handlers for resources
type AlloyDBAdminClient struct {
	// The internal transport-dependent client.
	internalClient internalAlloyDBAdminClient

	// The call options for this service.
	CallOptions *AlloyDBAdminCallOptions

	// 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 *AlloyDBAdminClient) 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 *AlloyDBAdminClient) 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 *AlloyDBAdminClient) Connection() *grpc.ClientConn {
	return c.internalClient.Connection()
}

// ListClusters lists Clusters in a given project and location.
func (c *AlloyDBAdminClient) ListClusters(ctx context.Context, req *alloydbpb.ListClustersRequest, opts ...gax.CallOption) *ClusterIterator {
	return c.internalClient.ListClusters(ctx, req, opts...)
}

// GetCluster gets details of a single Cluster.
func (c *AlloyDBAdminClient) GetCluster(ctx context.Context, req *alloydbpb.GetClusterRequest, opts ...gax.CallOption) (*alloydbpb.Cluster, error) {
	return c.internalClient.GetCluster(ctx, req, opts...)
}

// CreateCluster creates a new Cluster in a given project and location.
func (c *AlloyDBAdminClient) CreateCluster(ctx context.Context, req *alloydbpb.CreateClusterRequest, opts ...gax.CallOption) (*CreateClusterOperation, error) {
	return c.internalClient.CreateCluster(ctx, req, opts...)
}

// CreateClusterOperation returns a new CreateClusterOperation from a given name.
// The name must be that of a previously created CreateClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) CreateClusterOperation(name string) *CreateClusterOperation {
	return c.internalClient.CreateClusterOperation(name)
}

// UpdateCluster updates the parameters of a single Cluster.
func (c *AlloyDBAdminClient) UpdateCluster(ctx context.Context, req *alloydbpb.UpdateClusterRequest, opts ...gax.CallOption) (*UpdateClusterOperation, error) {
	return c.internalClient.UpdateCluster(ctx, req, opts...)
}

// UpdateClusterOperation returns a new UpdateClusterOperation from a given name.
// The name must be that of a previously created UpdateClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) UpdateClusterOperation(name string) *UpdateClusterOperation {
	return c.internalClient.UpdateClusterOperation(name)
}

// DeleteCluster deletes a single Cluster.
func (c *AlloyDBAdminClient) DeleteCluster(ctx context.Context, req *alloydbpb.DeleteClusterRequest, opts ...gax.CallOption) (*DeleteClusterOperation, error) {
	return c.internalClient.DeleteCluster(ctx, req, opts...)
}

// DeleteClusterOperation returns a new DeleteClusterOperation from a given name.
// The name must be that of a previously created DeleteClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) DeleteClusterOperation(name string) *DeleteClusterOperation {
	return c.internalClient.DeleteClusterOperation(name)
}

// PromoteCluster promotes a SECONDARY cluster. This turns down replication
// from the PRIMARY cluster and promotes a secondary cluster
// into its own standalone cluster.
// Imperative only.
func (c *AlloyDBAdminClient) PromoteCluster(ctx context.Context, req *alloydbpb.PromoteClusterRequest, opts ...gax.CallOption) (*PromoteClusterOperation, error) {
	return c.internalClient.PromoteCluster(ctx, req, opts...)
}

// PromoteClusterOperation returns a new PromoteClusterOperation from a given name.
// The name must be that of a previously created PromoteClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) PromoteClusterOperation(name string) *PromoteClusterOperation {
	return c.internalClient.PromoteClusterOperation(name)
}

// RestoreCluster creates a new Cluster in a given project and location, with a volume
// restored from the provided source, either a backup ID or a point-in-time
// and a source cluster.
func (c *AlloyDBAdminClient) RestoreCluster(ctx context.Context, req *alloydbpb.RestoreClusterRequest, opts ...gax.CallOption) (*RestoreClusterOperation, error) {
	return c.internalClient.RestoreCluster(ctx, req, opts...)
}

// RestoreClusterOperation returns a new RestoreClusterOperation from a given name.
// The name must be that of a previously created RestoreClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) RestoreClusterOperation(name string) *RestoreClusterOperation {
	return c.internalClient.RestoreClusterOperation(name)
}

// CreateSecondaryCluster creates a cluster of type SECONDARY in the given location using
// the primary cluster as the source.
func (c *AlloyDBAdminClient) CreateSecondaryCluster(ctx context.Context, req *alloydbpb.CreateSecondaryClusterRequest, opts ...gax.CallOption) (*CreateSecondaryClusterOperation, error) {
	return c.internalClient.CreateSecondaryCluster(ctx, req, opts...)
}

// CreateSecondaryClusterOperation returns a new CreateSecondaryClusterOperation from a given name.
// The name must be that of a previously created CreateSecondaryClusterOperation, possibly from a different process.
func (c *AlloyDBAdminClient) CreateSecondaryClusterOperation(name string) *CreateSecondaryClusterOperation {
	return c.internalClient.CreateSecondaryClusterOperation(name)
}

// ListInstances lists Instances in a given project and location.
func (c *AlloyDBAdminClient) ListInstances(ctx context.Context, req *alloydbpb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
	return c.internalClient.ListInstances(ctx, req, opts...)
}

// GetInstance gets details of a single Instance.
func (c *AlloyDBAdminClient) GetInstance(ctx context.Context, req *alloydbpb.GetInstanceRequest, opts ...gax.CallOption) (*alloydbpb.Instance, error) {
	return c.internalClient.GetInstance(ctx, req, opts...)
}

// CreateInstance creates a new Instance in a given project and location.
func (c *AlloyDBAdminClient) CreateInstance(ctx context.Context, req *alloydbpb.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 *AlloyDBAdminClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
	return c.internalClient.CreateInstanceOperation(name)
}

// CreateSecondaryInstance creates a new SECONDARY Instance in a given project and location.
func (c *AlloyDBAdminClient) CreateSecondaryInstance(ctx context.Context, req *alloydbpb.CreateSecondaryInstanceRequest, opts ...gax.CallOption) (*CreateSecondaryInstanceOperation, error) {
	return c.internalClient.CreateSecondaryInstance(ctx, req, opts...)
}

// CreateSecondaryInstanceOperation returns a new CreateSecondaryInstanceOperation from a given name.
// The name must be that of a previously created CreateSecondaryInstanceOperation, possibly from a different process.
func (c *AlloyDBAdminClient) CreateSecondaryInstanceOperation(name string) *CreateSecondaryInstanceOperation {
	return c.internalClient.CreateSecondaryInstanceOperation(name)
}

// BatchCreateInstances creates new instances under the given project, location and cluster.
// There can be only one primary instance in a cluster. If the primary
// instance exists in the cluster as well as this request, then API will
// throw an error.
// The primary instance should exist before any read pool instance is
// created. If the primary instance is a part of the request payload, then
// the API will take care of creating instances in the correct order.
// This method is here to support Google-internal use cases, and is not meant
// for external customers to consume. Please do not start relying on it; its
// behavior is subject to change without notice.
func (c *AlloyDBAdminClient) BatchCreateInstances(ctx context.Context, req *alloydbpb.BatchCreateInstancesRequest, opts ...gax.CallOption) (*BatchCreateInstancesOperation, error) {
	return c.internalClient.BatchCreateInstances(ctx, req, opts...)
}

// BatchCreateInstancesOperation returns a new BatchCreateInstancesOperation from a given name.
// The name must be that of a previously created BatchCreateInstancesOperation, possibly from a different process.
func (c *AlloyDBAdminClient) BatchCreateInstancesOperation(name string) *BatchCreateInstancesOperation {
	return c.internalClient.BatchCreateInstancesOperation(name)
}

// UpdateInstance updates the parameters of a single Instance.
func (c *AlloyDBAdminClient) UpdateInstance(ctx context.Context, req *alloydbpb.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 *AlloyDBAdminClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
	return c.internalClient.UpdateInstanceOperation(name)
}

// DeleteInstance deletes a single Instance.
func (c *AlloyDBAdminClient) DeleteInstance(ctx context.Context, req *alloydbpb.DeleteInstanceRequest, opts ...gax.CallOption) (*DeleteInstanceOperation, error) {
	return c.internalClient.DeleteInstance(ctx, req, opts...)
}

// DeleteInstanceOperation returns a new DeleteInstanceOperation from a given name.
// The name must be that of a previously created DeleteInstanceOperation, possibly from a different process.
func (c *AlloyDBAdminClient) DeleteInstanceOperation(name string) *DeleteInstanceOperation {
	return c.internalClient.DeleteInstanceOperation(name)
}

// FailoverInstance forces a Failover for a highly available instance.
// Failover promotes the HA standby instance as the new primary.
// Imperative only.
func (c *AlloyDBAdminClient) FailoverInstance(ctx context.Context, req *alloydbpb.FailoverInstanceRequest, opts ...gax.CallOption) (*FailoverInstanceOperation, error) {
	return c.internalClient.FailoverInstance(ctx, req, opts...)
}

// FailoverInstanceOperation returns a new FailoverInstanceOperation from a given name.
// The name must be that of a previously created FailoverInstanceOperation, possibly from a different process.
func (c *AlloyDBAdminClient) FailoverInstanceOperation(name string) *FailoverInstanceOperation {
	return c.internalClient.FailoverInstanceOperation(name)
}

// InjectFault injects fault in an instance.
// Imperative only.
func (c *AlloyDBAdminClient) InjectFault(ctx context.Context, req *alloydbpb.InjectFaultRequest, opts ...gax.CallOption) (*InjectFaultOperation, error) {
	return c.internalClient.InjectFault(ctx, req, opts...)
}

// InjectFaultOperation returns a new InjectFaultOperation from a given name.
// The name must be that of a previously created InjectFaultOperation, possibly from a different process.
func (c *AlloyDBAdminClient) InjectFaultOperation(name string) *InjectFaultOperation {
	return c.internalClient.InjectFaultOperation(name)
}

// RestartInstance restart an Instance in a cluster.
// Imperative only.
func (c *AlloyDBAdminClient) RestartInstance(ctx context.Context, req *alloydbpb.RestartInstanceRequest, opts ...gax.CallOption) (*RestartInstanceOperation, error) {
	return c.internalClient.RestartInstance(ctx, req, opts...)
}

// RestartInstanceOperation returns a new RestartInstanceOperation from a given name.
// The name must be that of a previously created RestartInstanceOperation, possibly from a different process.
func (c *AlloyDBAdminClient) RestartInstanceOperation(name string) *RestartInstanceOperation {
	return c.internalClient.RestartInstanceOperation(name)
}

// ListBackups lists Backups in a given project and location.
func (c *AlloyDBAdminClient) ListBackups(ctx context.Context, req *alloydbpb.ListBackupsRequest, opts ...gax.CallOption) *BackupIterator {
	return c.internalClient.ListBackups(ctx, req, opts...)
}

// GetBackup gets details of a single Backup.
func (c *AlloyDBAdminClient) GetBackup(ctx context.Context, req *alloydbpb.GetBackupRequest, opts ...gax.CallOption) (*alloydbpb.Backup, error) {
	return c.internalClient.GetBackup(ctx, req, opts...)
}

// CreateBackup creates a new Backup in a given project and location.
func (c *AlloyDBAdminClient) CreateBackup(ctx context.Context, req *alloydbpb.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 *AlloyDBAdminClient) CreateBackupOperation(name string) *CreateBackupOperation {
	return c.internalClient.CreateBackupOperation(name)
}

// UpdateBackup updates the parameters of a single Backup.
func (c *AlloyDBAdminClient) UpdateBackup(ctx context.Context, req *alloydbpb.UpdateBackupRequest, opts ...gax.CallOption) (*UpdateBackupOperation, error) {
	return c.internalClient.UpdateBackup(ctx, req, opts...)
}

// UpdateBackupOperation returns a new UpdateBackupOperation from a given name.
// The name must be that of a previously created UpdateBackupOperation, possibly from a different process.
func (c *AlloyDBAdminClient) UpdateBackupOperation(name string) *UpdateBackupOperation {
	return c.internalClient.UpdateBackupOperation(name)
}

// DeleteBackup deletes a single Backup.
func (c *AlloyDBAdminClient) DeleteBackup(ctx context.Context, req *alloydbpb.DeleteBackupRequest, opts ...gax.CallOption) (*DeleteBackupOperation, error) {
	return c.internalClient.DeleteBackup(ctx, req, opts...)
}

// DeleteBackupOperation returns a new DeleteBackupOperation from a given name.
// The name must be that of a previously created DeleteBackupOperation, possibly from a different process.
func (c *AlloyDBAdminClient) DeleteBackupOperation(name string) *DeleteBackupOperation {
	return c.internalClient.DeleteBackupOperation(name)
}

// ListSupportedDatabaseFlags lists SupportedDatabaseFlags for a given project and location.
func (c *AlloyDBAdminClient) ListSupportedDatabaseFlags(ctx context.Context, req *alloydbpb.ListSupportedDatabaseFlagsRequest, opts ...gax.CallOption) *SupportedDatabaseFlagIterator {
	return c.internalClient.ListSupportedDatabaseFlags(ctx, req, opts...)
}

// GenerateClientCertificate generate a client certificate signed by a Cluster CA.
// The sole purpose of this endpoint is to support AlloyDB connectors and the
// Auth Proxy client. The endpoint’s behavior is subject to change without
// notice, so do not rely on its behavior remaining constant. Future changes
// will not break AlloyDB connectors or the Auth Proxy client.
func (c *AlloyDBAdminClient) GenerateClientCertificate(ctx context.Context, req *alloydbpb.GenerateClientCertificateRequest, opts ...gax.CallOption) (*alloydbpb.GenerateClientCertificateResponse, error) {
	return c.internalClient.GenerateClientCertificate(ctx, req, opts...)
}

// GetConnectionInfo get instance metadata used for a connection.
func (c *AlloyDBAdminClient) GetConnectionInfo(ctx context.Context, req *alloydbpb.GetConnectionInfoRequest, opts ...gax.CallOption) (*alloydbpb.ConnectionInfo, error) {
	return c.internalClient.GetConnectionInfo(ctx, req, opts...)
}

// ListUsers lists Users in a given project and location.
func (c *AlloyDBAdminClient) ListUsers(ctx context.Context, req *alloydbpb.ListUsersRequest, opts ...gax.CallOption) *UserIterator {
	return c.internalClient.ListUsers(ctx, req, opts...)
}

// GetUser gets details of a single User.
func (c *AlloyDBAdminClient) GetUser(ctx context.Context, req *alloydbpb.GetUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	return c.internalClient.GetUser(ctx, req, opts...)
}

// CreateUser creates a new User in a given project, location, and cluster.
func (c *AlloyDBAdminClient) CreateUser(ctx context.Context, req *alloydbpb.CreateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	return c.internalClient.CreateUser(ctx, req, opts...)
}

// UpdateUser updates the parameters of a single User.
func (c *AlloyDBAdminClient) UpdateUser(ctx context.Context, req *alloydbpb.UpdateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	return c.internalClient.UpdateUser(ctx, req, opts...)
}

// DeleteUser deletes a single User.
func (c *AlloyDBAdminClient) DeleteUser(ctx context.Context, req *alloydbpb.DeleteUserRequest, opts ...gax.CallOption) error {
	return c.internalClient.DeleteUser(ctx, req, opts...)
}

// ListDatabases lists Databases in a given project and location.
func (c *AlloyDBAdminClient) ListDatabases(ctx context.Context, req *alloydbpb.ListDatabasesRequest, opts ...gax.CallOption) *DatabaseIterator {
	return c.internalClient.ListDatabases(ctx, req, opts...)
}

// GetLocation gets information about a location.
func (c *AlloyDBAdminClient) GetLocation(ctx context.Context, req *locationpb.GetLocationRequest, opts ...gax.CallOption) (*locationpb.Location, error) {
	return c.internalClient.GetLocation(ctx, req, opts...)
}

// ListLocations lists information about the supported locations for this service.
func (c *AlloyDBAdminClient) ListLocations(ctx context.Context, req *locationpb.ListLocationsRequest, opts ...gax.CallOption) *LocationIterator {
	return c.internalClient.ListLocations(ctx, req, opts...)
}

// CancelOperation is a utility method from google.longrunning.Operations.
func (c *AlloyDBAdminClient) 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 *AlloyDBAdminClient) 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 *AlloyDBAdminClient) 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 *AlloyDBAdminClient) ListOperations(ctx context.Context, req *longrunningpb.ListOperationsRequest, opts ...gax.CallOption) *OperationIterator {
	return c.internalClient.ListOperations(ctx, req, opts...)
}

// alloyDBAdminGRPCClient is a client for interacting with AlloyDB API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type alloyDBAdminGRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// Points back to the CallOptions field of the containing AlloyDBAdminClient
	CallOptions **AlloyDBAdminCallOptions

	// The gRPC API client.
	alloyDBAdminClient alloydbpb.AlloyDBAdminClient

	// 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

	locationsClient locationpb.LocationsClient

	// The x-goog-* metadata to be sent with each request.
	xGoogHeaders []string
}

// NewAlloyDBAdminClient creates a new alloydb admin client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Service describing handlers for resources
func NewAlloyDBAdminClient(ctx context.Context, opts ...option.ClientOption) (*AlloyDBAdminClient, error) {
	clientOpts := defaultAlloyDBAdminGRPCClientOptions()
	if newAlloyDBAdminClientHook != nil {
		hookOpts, err := newAlloyDBAdminClientHook(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 := AlloyDBAdminClient{CallOptions: defaultAlloyDBAdminCallOptions()}

	c := &alloyDBAdminGRPCClient{
		connPool:           connPool,
		alloyDBAdminClient: alloydbpb.NewAlloyDBAdminClient(connPool),
		CallOptions:        &client.CallOptions,
		operationsClient:   longrunningpb.NewOperationsClient(connPool),
		locationsClient:    locationpb.NewLocationsClient(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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminGRPCClient) Close() error {
	return c.connPool.Close()
}

// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type alloyDBAdminRESTClient 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 AlloyDBAdminClient
	CallOptions **AlloyDBAdminCallOptions
}

// NewAlloyDBAdminRESTClient creates a new alloydb admin rest client.
//
// Service describing handlers for resources
func NewAlloyDBAdminRESTClient(ctx context.Context, opts ...option.ClientOption) (*AlloyDBAdminClient, error) {
	clientOpts := append(defaultAlloyDBAdminRESTClientOptions(), opts...)
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
		return nil, err
	}

	callOpts := defaultAlloyDBAdminRESTCallOptions()
	c := &alloyDBAdminRESTClient{
		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 &AlloyDBAdminClient{internalClient: c, CallOptions: callOpts}, nil
}

func defaultAlloyDBAdminRESTClientOptions() []option.ClientOption {
	return []option.ClientOption{
		internaloption.WithDefaultEndpoint("https://alloydb.googleapis.com"),
		internaloption.WithDefaultEndpointTemplate("https://alloydb.UNIVERSE_DOMAIN"),
		internaloption.WithDefaultMTLSEndpoint("https://alloydb.mtls.googleapis.com"),
		internaloption.WithDefaultUniverseDomain("googleapis.com"),
		internaloption.WithDefaultAudience("https://alloydb.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 *alloyDBAdminRESTClient) 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 *alloyDBAdminRESTClient) 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 *alloyDBAdminRESTClient) Connection() *grpc.ClientConn {
	return nil
}
func (c *alloyDBAdminGRPCClient) ListClusters(ctx context.Context, req *alloydbpb.ListClustersRequest, opts ...gax.CallOption) *ClusterIterator {
	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).ListClusters[0:len((*c.CallOptions).ListClusters):len((*c.CallOptions).ListClusters)], opts...)
	it := &ClusterIterator{}
	req = proto.Clone(req).(*alloydbpb.ListClustersRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Cluster, string, error) {
		resp := &alloydbpb.ListClustersResponse{}
		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.alloyDBAdminClient.ListClusters(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetClusters(), 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 *alloyDBAdminGRPCClient) GetCluster(ctx context.Context, req *alloydbpb.GetClusterRequest, opts ...gax.CallOption) (*alloydbpb.Cluster, 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).GetCluster[0:len((*c.CallOptions).GetCluster):len((*c.CallOptions).GetCluster)], opts...)
	var resp *alloydbpb.Cluster
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GetCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) CreateCluster(ctx context.Context, req *alloydbpb.CreateClusterRequest, opts ...gax.CallOption) (*CreateClusterOperation, 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).CreateCluster[0:len((*c.CallOptions).CreateCluster):len((*c.CallOptions).CreateCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.CreateCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) UpdateCluster(ctx context.Context, req *alloydbpb.UpdateClusterRequest, opts ...gax.CallOption) (*UpdateClusterOperation, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "cluster.name", url.QueryEscape(req.GetCluster().GetName()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).UpdateCluster[0:len((*c.CallOptions).UpdateCluster):len((*c.CallOptions).UpdateCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.UpdateCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &UpdateClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) DeleteCluster(ctx context.Context, req *alloydbpb.DeleteClusterRequest, opts ...gax.CallOption) (*DeleteClusterOperation, 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).DeleteCluster[0:len((*c.CallOptions).DeleteCluster):len((*c.CallOptions).DeleteCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.DeleteCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) PromoteCluster(ctx context.Context, req *alloydbpb.PromoteClusterRequest, opts ...gax.CallOption) (*PromoteClusterOperation, 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).PromoteCluster[0:len((*c.CallOptions).PromoteCluster):len((*c.CallOptions).PromoteCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.PromoteCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &PromoteClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) RestoreCluster(ctx context.Context, req *alloydbpb.RestoreClusterRequest, opts ...gax.CallOption) (*RestoreClusterOperation, 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).RestoreCluster[0:len((*c.CallOptions).RestoreCluster):len((*c.CallOptions).RestoreCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.RestoreCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &RestoreClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) CreateSecondaryCluster(ctx context.Context, req *alloydbpb.CreateSecondaryClusterRequest, opts ...gax.CallOption) (*CreateSecondaryClusterOperation, 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).CreateSecondaryCluster[0:len((*c.CallOptions).CreateSecondaryCluster):len((*c.CallOptions).CreateSecondaryCluster)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.CreateSecondaryCluster(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateSecondaryClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) ListInstances(ctx context.Context, req *alloydbpb.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).(*alloydbpb.ListInstancesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Instance, string, error) {
		resp := &alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) GetInstance(ctx context.Context, req *alloydbpb.GetInstanceRequest, opts ...gax.CallOption) (*alloydbpb.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 *alloydbpb.Instance
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GetInstance(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) CreateInstance(ctx context.Context, req *alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) CreateSecondaryInstance(ctx context.Context, req *alloydbpb.CreateSecondaryInstanceRequest, opts ...gax.CallOption) (*CreateSecondaryInstanceOperation, 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).CreateSecondaryInstance[0:len((*c.CallOptions).CreateSecondaryInstance):len((*c.CallOptions).CreateSecondaryInstance)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.CreateSecondaryInstance(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateSecondaryInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) BatchCreateInstances(ctx context.Context, req *alloydbpb.BatchCreateInstancesRequest, opts ...gax.CallOption) (*BatchCreateInstancesOperation, 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).BatchCreateInstances[0:len((*c.CallOptions).BatchCreateInstances):len((*c.CallOptions).BatchCreateInstances)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.BatchCreateInstances(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &BatchCreateInstancesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) UpdateInstance(ctx context.Context, req *alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) DeleteInstance(ctx context.Context, req *alloydbpb.DeleteInstanceRequest, opts ...gax.CallOption) (*DeleteInstanceOperation, 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...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.DeleteInstance(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) FailoverInstance(ctx context.Context, req *alloydbpb.FailoverInstanceRequest, opts ...gax.CallOption) (*FailoverInstanceOperation, 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).FailoverInstance[0:len((*c.CallOptions).FailoverInstance):len((*c.CallOptions).FailoverInstance)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.FailoverInstance(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &FailoverInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) InjectFault(ctx context.Context, req *alloydbpb.InjectFaultRequest, opts ...gax.CallOption) (*InjectFaultOperation, 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).InjectFault[0:len((*c.CallOptions).InjectFault):len((*c.CallOptions).InjectFault)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.InjectFault(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &InjectFaultOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) RestartInstance(ctx context.Context, req *alloydbpb.RestartInstanceRequest, opts ...gax.CallOption) (*RestartInstanceOperation, 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).RestartInstance[0:len((*c.CallOptions).RestartInstance):len((*c.CallOptions).RestartInstance)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.RestartInstance(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &RestartInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) ListBackups(ctx context.Context, req *alloydbpb.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).(*alloydbpb.ListBackupsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Backup, string, error) {
		resp := &alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) GetBackup(ctx context.Context, req *alloydbpb.GetBackupRequest, opts ...gax.CallOption) (*alloydbpb.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 *alloydbpb.Backup
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GetBackup(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) CreateBackup(ctx context.Context, req *alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) UpdateBackup(ctx context.Context, req *alloydbpb.UpdateBackupRequest, opts ...gax.CallOption) (*UpdateBackupOperation, 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 *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.UpdateBackup(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &UpdateBackupOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) DeleteBackup(ctx context.Context, req *alloydbpb.DeleteBackupRequest, opts ...gax.CallOption) (*DeleteBackupOperation, 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...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.DeleteBackup(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteBackupOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *alloyDBAdminGRPCClient) ListSupportedDatabaseFlags(ctx context.Context, req *alloydbpb.ListSupportedDatabaseFlagsRequest, opts ...gax.CallOption) *SupportedDatabaseFlagIterator {
	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).ListSupportedDatabaseFlags[0:len((*c.CallOptions).ListSupportedDatabaseFlags):len((*c.CallOptions).ListSupportedDatabaseFlags)], opts...)
	it := &SupportedDatabaseFlagIterator{}
	req = proto.Clone(req).(*alloydbpb.ListSupportedDatabaseFlagsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.SupportedDatabaseFlag, string, error) {
		resp := &alloydbpb.ListSupportedDatabaseFlagsResponse{}
		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.alloyDBAdminClient.ListSupportedDatabaseFlags(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetSupportedDatabaseFlags(), 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 *alloyDBAdminGRPCClient) GenerateClientCertificate(ctx context.Context, req *alloydbpb.GenerateClientCertificateRequest, opts ...gax.CallOption) (*alloydbpb.GenerateClientCertificateResponse, 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).GenerateClientCertificate[0:len((*c.CallOptions).GenerateClientCertificate):len((*c.CallOptions).GenerateClientCertificate)], opts...)
	var resp *alloydbpb.GenerateClientCertificateResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GenerateClientCertificate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) GetConnectionInfo(ctx context.Context, req *alloydbpb.GetConnectionInfoRequest, opts ...gax.CallOption) (*alloydbpb.ConnectionInfo, 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).GetConnectionInfo[0:len((*c.CallOptions).GetConnectionInfo):len((*c.CallOptions).GetConnectionInfo)], opts...)
	var resp *alloydbpb.ConnectionInfo
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GetConnectionInfo(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) ListUsers(ctx context.Context, req *alloydbpb.ListUsersRequest, opts ...gax.CallOption) *UserIterator {
	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).ListUsers[0:len((*c.CallOptions).ListUsers):len((*c.CallOptions).ListUsers)], opts...)
	it := &UserIterator{}
	req = proto.Clone(req).(*alloydbpb.ListUsersRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.User, string, error) {
		resp := &alloydbpb.ListUsersResponse{}
		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.alloyDBAdminClient.ListUsers(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetUsers(), 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 *alloyDBAdminGRPCClient) GetUser(ctx context.Context, req *alloydbpb.GetUserRequest, opts ...gax.CallOption) (*alloydbpb.User, 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).GetUser[0:len((*c.CallOptions).GetUser):len((*c.CallOptions).GetUser)], opts...)
	var resp *alloydbpb.User
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.GetUser(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) CreateUser(ctx context.Context, req *alloydbpb.CreateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, 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).CreateUser[0:len((*c.CallOptions).CreateUser):len((*c.CallOptions).CreateUser)], opts...)
	var resp *alloydbpb.User
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.CreateUser(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) UpdateUser(ctx context.Context, req *alloydbpb.UpdateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "user.name", url.QueryEscape(req.GetUser().GetName()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).UpdateUser[0:len((*c.CallOptions).UpdateUser):len((*c.CallOptions).UpdateUser)], opts...)
	var resp *alloydbpb.User
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.alloyDBAdminClient.UpdateUser(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) DeleteUser(ctx context.Context, req *alloydbpb.DeleteUserRequest, 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).DeleteUser[0:len((*c.CallOptions).DeleteUser):len((*c.CallOptions).DeleteUser)], opts...)
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		_, err = c.alloyDBAdminClient.DeleteUser(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	return err
}

func (c *alloyDBAdminGRPCClient) ListDatabases(ctx context.Context, req *alloydbpb.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).(*alloydbpb.ListDatabasesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Database, string, error) {
		resp := &alloydbpb.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.alloyDBAdminClient.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 *alloyDBAdminGRPCClient) GetLocation(ctx context.Context, req *locationpb.GetLocationRequest, opts ...gax.CallOption) (*locationpb.Location, 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).GetLocation[0:len((*c.CallOptions).GetLocation):len((*c.CallOptions).GetLocation)], opts...)
	var resp *locationpb.Location
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.locationsClient.GetLocation(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *alloyDBAdminGRPCClient) ListLocations(ctx context.Context, req *locationpb.ListLocationsRequest, opts ...gax.CallOption) *LocationIterator {
	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).ListLocations[0:len((*c.CallOptions).ListLocations):len((*c.CallOptions).ListLocations)], opts...)
	it := &LocationIterator{}
	req = proto.Clone(req).(*locationpb.ListLocationsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*locationpb.Location, string, error) {
		resp := &locationpb.ListLocationsResponse{}
		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.locationsClient.ListLocations(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetLocations(), 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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminGRPCClient) 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
}

// ListClusters lists Clusters in a given project and location.
func (c *alloyDBAdminRESTClient) ListClusters(ctx context.Context, req *alloydbpb.ListClustersRequest, opts ...gax.CallOption) *ClusterIterator {
	it := &ClusterIterator{}
	req = proto.Clone(req).(*alloydbpb.ListClustersRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Cluster, string, error) {
		resp := &alloydbpb.ListClustersResponse{}
		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("/v1alpha/%v/clusters", 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.GetOrderBy() != "" {
			params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
		}
		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.GetClusters(), 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
}

// GetCluster gets details of a single Cluster.
func (c *alloyDBAdminRESTClient) GetCluster(ctx context.Context, req *alloydbpb.GetClusterRequest, opts ...gax.CallOption) (*alloydbpb.Cluster, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetView() != 0 {
		params.Add("view", fmt.Sprintf("%v", req.GetView()))
	}

	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).GetCluster[0:len((*c.CallOptions).GetCluster):len((*c.CallOptions).GetCluster)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.Cluster{}
	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
}

// CreateCluster creates a new Cluster in a given project and location.
func (c *alloyDBAdminRESTClient) CreateCluster(ctx context.Context, req *alloydbpb.CreateClusterRequest, opts ...gax.CallOption) (*CreateClusterOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetCluster()
	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("/v1alpha/%v/clusters", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	params.Add("clusterId", fmt.Sprintf("%v", req.GetClusterId()))
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &CreateClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// UpdateCluster updates the parameters of a single Cluster.
func (c *alloyDBAdminRESTClient) UpdateCluster(ctx context.Context, req *alloydbpb.UpdateClusterRequest, opts ...gax.CallOption) (*UpdateClusterOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetCluster()
	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("/v1alpha/%v", req.GetCluster().GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetAllowMissing() {
		params.Add("allowMissing", fmt.Sprintf("%v", req.GetAllowMissing()))
	}
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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]))
	}
	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", "cluster.name", url.QueryEscape(req.GetCluster().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("/v1alpha/%s", resp.GetName())
	return &UpdateClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// DeleteCluster deletes a single Cluster.
func (c *alloyDBAdminRESTClient) DeleteCluster(ctx context.Context, req *alloydbpb.DeleteClusterRequest, opts ...gax.CallOption) (*DeleteClusterOperation, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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.GetForce() {
		params.Add("force", fmt.Sprintf("%v", req.GetForce()))
	}
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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...)
	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("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()

		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("/v1alpha/%s", resp.GetName())
	return &DeleteClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// PromoteCluster promotes a SECONDARY cluster. This turns down replication
// from the PRIMARY cluster and promotes a secondary cluster
// into its own standalone cluster.
// Imperative only.
func (c *alloyDBAdminRESTClient) PromoteCluster(ctx context.Context, req *alloydbpb.PromoteClusterRequest, opts ...gax.CallOption) (*PromoteClusterOperation, 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("/v1alpha/%v:promote", 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("/v1alpha/%s", resp.GetName())
	return &PromoteClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// RestoreCluster creates a new Cluster in a given project and location, with a volume
// restored from the provided source, either a backup ID or a point-in-time
// and a source cluster.
func (c *alloyDBAdminRESTClient) RestoreCluster(ctx context.Context, req *alloydbpb.RestoreClusterRequest, opts ...gax.CallOption) (*RestoreClusterOperation, 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("/v1alpha/%v/clusters: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("/v1alpha/%s", resp.GetName())
	return &RestoreClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// CreateSecondaryCluster creates a cluster of type SECONDARY in the given location using
// the primary cluster as the source.
func (c *alloyDBAdminRESTClient) CreateSecondaryCluster(ctx context.Context, req *alloydbpb.CreateSecondaryClusterRequest, opts ...gax.CallOption) (*CreateSecondaryClusterOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetCluster()
	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("/v1alpha/%v/clusters:createsecondary", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	params.Add("clusterId", fmt.Sprintf("%v", req.GetClusterId()))
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &CreateSecondaryClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// ListInstances lists Instances in a given project and location.
func (c *alloyDBAdminRESTClient) ListInstances(ctx context.Context, req *alloydbpb.ListInstancesRequest, opts ...gax.CallOption) *InstanceIterator {
	it := &InstanceIterator{}
	req = proto.Clone(req).(*alloydbpb.ListInstancesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Instance, string, error) {
		resp := &alloydbpb.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("/v1alpha/%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.GetOrderBy() != "" {
			params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
		}
		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
}

// GetInstance gets details of a single Instance.
func (c *alloyDBAdminRESTClient) GetInstance(ctx context.Context, req *alloydbpb.GetInstanceRequest, opts ...gax.CallOption) (*alloydbpb.Instance, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetView() != 0 {
		params.Add("view", fmt.Sprintf("%v", req.GetView()))
	}

	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 := &alloydbpb.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 a new Instance in a given project and location.
func (c *alloyDBAdminRESTClient) CreateInstance(ctx context.Context, req *alloydbpb.CreateInstanceRequest, opts ...gax.CallOption) (*CreateInstanceOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetInstance()
	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("/v1alpha/%v/instances", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	params.Add("instanceId", fmt.Sprintf("%v", req.GetInstanceId()))
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &CreateInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// CreateSecondaryInstance creates a new SECONDARY Instance in a given project and location.
func (c *alloyDBAdminRESTClient) CreateSecondaryInstance(ctx context.Context, req *alloydbpb.CreateSecondaryInstanceRequest, opts ...gax.CallOption) (*CreateSecondaryInstanceOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetInstance()
	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("/v1alpha/%v/instances:createsecondary", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	params.Add("instanceId", fmt.Sprintf("%v", req.GetInstanceId()))
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &CreateSecondaryInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// BatchCreateInstances creates new instances under the given project, location and cluster.
// There can be only one primary instance in a cluster. If the primary
// instance exists in the cluster as well as this request, then API will
// throw an error.
// The primary instance should exist before any read pool instance is
// created. If the primary instance is a part of the request payload, then
// the API will take care of creating instances in the correct order.
// This method is here to support Google-internal use cases, and is not meant
// for external customers to consume. Please do not start relying on it; its
// behavior is subject to change without notice.
func (c *alloyDBAdminRESTClient) BatchCreateInstances(ctx context.Context, req *alloydbpb.BatchCreateInstancesRequest, opts ...gax.CallOption) (*BatchCreateInstancesOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetRequests()
	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("/v1alpha/%v/instances:batchCreate", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}

	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("/v1alpha/%s", resp.GetName())
	return &BatchCreateInstancesOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// UpdateInstance updates the parameters of a single Instance.
func (c *alloyDBAdminRESTClient) UpdateInstance(ctx context.Context, req *alloydbpb.UpdateInstanceRequest, opts ...gax.CallOption) (*UpdateInstanceOperation, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetInstance()
	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("/v1alpha/%v", req.GetInstance().GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetAllowMissing() {
		params.Add("allowMissing", fmt.Sprintf("%v", req.GetAllowMissing()))
	}
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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]))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &UpdateInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// DeleteInstance deletes a single Instance.
func (c *alloyDBAdminRESTClient) DeleteInstance(ctx context.Context, req *alloydbpb.DeleteInstanceRequest, opts ...gax.CallOption) (*DeleteInstanceOperation, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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...)
	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("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()

		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("/v1alpha/%s", resp.GetName())
	return &DeleteInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// FailoverInstance forces a Failover for a highly available instance.
// Failover promotes the HA standby instance as the new primary.
// Imperative only.
func (c *alloyDBAdminRESTClient) FailoverInstance(ctx context.Context, req *alloydbpb.FailoverInstanceRequest, opts ...gax.CallOption) (*FailoverInstanceOperation, 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("/v1alpha/%v:failover", 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("/v1alpha/%s", resp.GetName())
	return &FailoverInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// InjectFault injects fault in an instance.
// Imperative only.
func (c *alloyDBAdminRESTClient) InjectFault(ctx context.Context, req *alloydbpb.InjectFaultRequest, opts ...gax.CallOption) (*InjectFaultOperation, 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("/v1alpha/%v:injectFault", 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("/v1alpha/%s", resp.GetName())
	return &InjectFaultOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// RestartInstance restart an Instance in a cluster.
// Imperative only.
func (c *alloyDBAdminRESTClient) RestartInstance(ctx context.Context, req *alloydbpb.RestartInstanceRequest, opts ...gax.CallOption) (*RestartInstanceOperation, 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("/v1alpha/%v:restart", 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("/v1alpha/%s", resp.GetName())
	return &RestartInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// ListBackups lists Backups in a given project and location.
func (c *alloyDBAdminRESTClient) ListBackups(ctx context.Context, req *alloydbpb.ListBackupsRequest, opts ...gax.CallOption) *BackupIterator {
	it := &BackupIterator{}
	req = proto.Clone(req).(*alloydbpb.ListBackupsRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Backup, string, error) {
		resp := &alloydbpb.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("/v1alpha/%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.GetOrderBy() != "" {
			params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
		}
		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
}

// GetBackup gets details of a single Backup.
func (c *alloyDBAdminRESTClient) GetBackup(ctx context.Context, req *alloydbpb.GetBackupRequest, opts ...gax.CallOption) (*alloydbpb.Backup, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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 := &alloydbpb.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
}

// CreateBackup creates a new Backup in a given project and location.
func (c *alloyDBAdminRESTClient) CreateBackup(ctx context.Context, req *alloydbpb.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("/v1alpha/%v/backups", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	params.Add("backupId", fmt.Sprintf("%v", req.GetBackupId()))
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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", "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("/v1alpha/%s", resp.GetName())
	return &CreateBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// UpdateBackup updates the parameters of a single Backup.
func (c *alloyDBAdminRESTClient) UpdateBackup(ctx context.Context, req *alloydbpb.UpdateBackupRequest, opts ...gax.CallOption) (*UpdateBackupOperation, 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("/v1alpha/%v", req.GetBackup().GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetAllowMissing() {
		params.Add("allowMissing", fmt.Sprintf("%v", req.GetAllowMissing()))
	}
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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]))
	}
	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", "backup.name", url.QueryEscape(req.GetBackup().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("/v1alpha/%s", resp.GetName())
	return &UpdateBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// DeleteBackup deletes a single Backup.
func (c *alloyDBAdminRESTClient) DeleteBackup(ctx context.Context, req *alloydbpb.DeleteBackupRequest, opts ...gax.CallOption) (*DeleteBackupOperation, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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...)
	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("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()

		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("/v1alpha/%s", resp.GetName())
	return &DeleteBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, resp),
		pollPath: override,
	}, nil
}

// ListSupportedDatabaseFlags lists SupportedDatabaseFlags for a given project and location.
func (c *alloyDBAdminRESTClient) ListSupportedDatabaseFlags(ctx context.Context, req *alloydbpb.ListSupportedDatabaseFlagsRequest, opts ...gax.CallOption) *SupportedDatabaseFlagIterator {
	it := &SupportedDatabaseFlagIterator{}
	req = proto.Clone(req).(*alloydbpb.ListSupportedDatabaseFlagsRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.SupportedDatabaseFlag, string, error) {
		resp := &alloydbpb.ListSupportedDatabaseFlagsResponse{}
		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("/v1alpha/%v/supportedDatabaseFlags", 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.GetSupportedDatabaseFlags(), 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
}

// GenerateClientCertificate generate a client certificate signed by a Cluster CA.
// The sole purpose of this endpoint is to support AlloyDB connectors and the
// Auth Proxy client. The endpoint’s behavior is subject to change without
// notice, so do not rely on its behavior remaining constant. Future changes
// will not break AlloyDB connectors or the Auth Proxy client.
func (c *alloyDBAdminRESTClient) GenerateClientCertificate(ctx context.Context, req *alloydbpb.GenerateClientCertificateRequest, opts ...gax.CallOption) (*alloydbpb.GenerateClientCertificateResponse, 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("/v1alpha/%v:generateClientCertificate", 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...)
	opts = append((*c.CallOptions).GenerateClientCertificate[0:len((*c.CallOptions).GenerateClientCertificate):len((*c.CallOptions).GenerateClientCertificate)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.GenerateClientCertificateResponse{}
	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
}

// GetConnectionInfo get instance metadata used for a connection.
func (c *alloyDBAdminRESTClient) GetConnectionInfo(ctx context.Context, req *alloydbpb.GetConnectionInfoRequest, opts ...gax.CallOption) (*alloydbpb.ConnectionInfo, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%v/connectionInfo", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}

	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).GetConnectionInfo[0:len((*c.CallOptions).GetConnectionInfo):len((*c.CallOptions).GetConnectionInfo)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.ConnectionInfo{}
	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
}

// ListUsers lists Users in a given project and location.
func (c *alloyDBAdminRESTClient) ListUsers(ctx context.Context, req *alloydbpb.ListUsersRequest, opts ...gax.CallOption) *UserIterator {
	it := &UserIterator{}
	req = proto.Clone(req).(*alloydbpb.ListUsersRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.User, string, error) {
		resp := &alloydbpb.ListUsersResponse{}
		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("/v1alpha/%v/users", 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.GetOrderBy() != "" {
			params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
		}
		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.GetUsers(), 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
}

// GetUser gets details of a single User.
func (c *alloyDBAdminRESTClient) GetUser(ctx context.Context, req *alloydbpb.GetUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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).GetUser[0:len((*c.CallOptions).GetUser):len((*c.CallOptions).GetUser)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.User{}
	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
}

// CreateUser creates a new User in a given project, location, and cluster.
func (c *alloyDBAdminRESTClient) CreateUser(ctx context.Context, req *alloydbpb.CreateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetUser()
	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("/v1alpha/%v/users", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	params.Add("userId", fmt.Sprintf("%v", req.GetUserId()))
	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", "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).CreateUser[0:len((*c.CallOptions).CreateUser):len((*c.CallOptions).CreateUser)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.User{}
	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
}

// UpdateUser updates the parameters of a single User.
func (c *alloyDBAdminRESTClient) UpdateUser(ctx context.Context, req *alloydbpb.UpdateUserRequest, opts ...gax.CallOption) (*alloydbpb.User, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetUser()
	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("/v1alpha/%v", req.GetUser().GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetAllowMissing() {
		params.Add("allowMissing", fmt.Sprintf("%v", req.GetAllowMissing()))
	}
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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]))
	}
	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", "user.name", url.QueryEscape(req.GetUser().GetName()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	opts = append((*c.CallOptions).UpdateUser[0:len((*c.CallOptions).UpdateUser):len((*c.CallOptions).UpdateUser)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &alloydbpb.User{}
	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
}

// DeleteUser deletes a single User.
func (c *alloyDBAdminRESTClient) DeleteUser(ctx context.Context, req *alloydbpb.DeleteUserRequest, opts ...gax.CallOption) error {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetRequestId() != "" {
		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}
	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...)
}

// ListDatabases lists Databases in a given project and location.
func (c *alloyDBAdminRESTClient) ListDatabases(ctx context.Context, req *alloydbpb.ListDatabasesRequest, opts ...gax.CallOption) *DatabaseIterator {
	it := &DatabaseIterator{}
	req = proto.Clone(req).(*alloydbpb.ListDatabasesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*alloydbpb.Database, string, error) {
		resp := &alloydbpb.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("/v1alpha/%v/databases", 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.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
}

// GetLocation gets information about a location.
func (c *alloyDBAdminRESTClient) GetLocation(ctx context.Context, req *locationpb.GetLocationRequest, opts ...gax.CallOption) (*locationpb.Location, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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).GetLocation[0:len((*c.CallOptions).GetLocation):len((*c.CallOptions).GetLocation)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &locationpb.Location{}
	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
}

// ListLocations lists information about the supported locations for this service.
func (c *alloyDBAdminRESTClient) ListLocations(ctx context.Context, req *locationpb.ListLocationsRequest, opts ...gax.CallOption) *LocationIterator {
	it := &LocationIterator{}
	req = proto.Clone(req).(*locationpb.ListLocationsRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*locationpb.Location, string, error) {
		resp := &locationpb.ListLocationsResponse{}
		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("/v1alpha/%v/locations", 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.GetLocations(), 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 *alloyDBAdminRESTClient) CancelOperation(ctx context.Context, req *longrunningpb.CancelOperationRequest, opts ...gax.CallOption) error {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	jsonReq, err := m.Marshal(req)
	if err != nil {
		return err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return err
	}
	baseUrl.Path += fmt.Sprintf("/v1alpha/%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(), 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()

		// 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 *alloyDBAdminRESTClient) 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("/v1alpha/%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 *alloyDBAdminRESTClient) 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("/v1alpha/%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 *alloyDBAdminRESTClient) 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("/v1alpha/%v/operations", 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
}

// BatchCreateInstancesOperation returns a new BatchCreateInstancesOperation from a given name.
// The name must be that of a previously created BatchCreateInstancesOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) BatchCreateInstancesOperation(name string) *BatchCreateInstancesOperation {
	return &BatchCreateInstancesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// BatchCreateInstancesOperation returns a new BatchCreateInstancesOperation from a given name.
// The name must be that of a previously created BatchCreateInstancesOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) BatchCreateInstancesOperation(name string) *BatchCreateInstancesOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &BatchCreateInstancesOperation{
		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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminRESTClient) CreateBackupOperation(name string) *CreateBackupOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &CreateBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// CreateClusterOperation returns a new CreateClusterOperation from a given name.
// The name must be that of a previously created CreateClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) CreateClusterOperation(name string) *CreateClusterOperation {
	return &CreateClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// CreateClusterOperation returns a new CreateClusterOperation from a given name.
// The name must be that of a previously created CreateClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) CreateClusterOperation(name string) *CreateClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &CreateClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// 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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminRESTClient) CreateInstanceOperation(name string) *CreateInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &CreateInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// CreateSecondaryClusterOperation returns a new CreateSecondaryClusterOperation from a given name.
// The name must be that of a previously created CreateSecondaryClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) CreateSecondaryClusterOperation(name string) *CreateSecondaryClusterOperation {
	return &CreateSecondaryClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// CreateSecondaryClusterOperation returns a new CreateSecondaryClusterOperation from a given name.
// The name must be that of a previously created CreateSecondaryClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) CreateSecondaryClusterOperation(name string) *CreateSecondaryClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &CreateSecondaryClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// CreateSecondaryInstanceOperation returns a new CreateSecondaryInstanceOperation from a given name.
// The name must be that of a previously created CreateSecondaryInstanceOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) CreateSecondaryInstanceOperation(name string) *CreateSecondaryInstanceOperation {
	return &CreateSecondaryInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// CreateSecondaryInstanceOperation returns a new CreateSecondaryInstanceOperation from a given name.
// The name must be that of a previously created CreateSecondaryInstanceOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) CreateSecondaryInstanceOperation(name string) *CreateSecondaryInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &CreateSecondaryInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// DeleteBackupOperation returns a new DeleteBackupOperation from a given name.
// The name must be that of a previously created DeleteBackupOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) DeleteBackupOperation(name string) *DeleteBackupOperation {
	return &DeleteBackupOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// DeleteBackupOperation returns a new DeleteBackupOperation from a given name.
// The name must be that of a previously created DeleteBackupOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) DeleteBackupOperation(name string) *DeleteBackupOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &DeleteBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// DeleteClusterOperation returns a new DeleteClusterOperation from a given name.
// The name must be that of a previously created DeleteClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) DeleteClusterOperation(name string) *DeleteClusterOperation {
	return &DeleteClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// DeleteClusterOperation returns a new DeleteClusterOperation from a given name.
// The name must be that of a previously created DeleteClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) DeleteClusterOperation(name string) *DeleteClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &DeleteClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// DeleteInstanceOperation returns a new DeleteInstanceOperation from a given name.
// The name must be that of a previously created DeleteInstanceOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) DeleteInstanceOperation(name string) *DeleteInstanceOperation {
	return &DeleteInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// DeleteInstanceOperation returns a new DeleteInstanceOperation from a given name.
// The name must be that of a previously created DeleteInstanceOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) DeleteInstanceOperation(name string) *DeleteInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &DeleteInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// FailoverInstanceOperation returns a new FailoverInstanceOperation from a given name.
// The name must be that of a previously created FailoverInstanceOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) FailoverInstanceOperation(name string) *FailoverInstanceOperation {
	return &FailoverInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// FailoverInstanceOperation returns a new FailoverInstanceOperation from a given name.
// The name must be that of a previously created FailoverInstanceOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) FailoverInstanceOperation(name string) *FailoverInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &FailoverInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// InjectFaultOperation returns a new InjectFaultOperation from a given name.
// The name must be that of a previously created InjectFaultOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) InjectFaultOperation(name string) *InjectFaultOperation {
	return &InjectFaultOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// InjectFaultOperation returns a new InjectFaultOperation from a given name.
// The name must be that of a previously created InjectFaultOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) InjectFaultOperation(name string) *InjectFaultOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &InjectFaultOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// PromoteClusterOperation returns a new PromoteClusterOperation from a given name.
// The name must be that of a previously created PromoteClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) PromoteClusterOperation(name string) *PromoteClusterOperation {
	return &PromoteClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// PromoteClusterOperation returns a new PromoteClusterOperation from a given name.
// The name must be that of a previously created PromoteClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) PromoteClusterOperation(name string) *PromoteClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &PromoteClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// RestartInstanceOperation returns a new RestartInstanceOperation from a given name.
// The name must be that of a previously created RestartInstanceOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) RestartInstanceOperation(name string) *RestartInstanceOperation {
	return &RestartInstanceOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// RestartInstanceOperation returns a new RestartInstanceOperation from a given name.
// The name must be that of a previously created RestartInstanceOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) RestartInstanceOperation(name string) *RestartInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &RestartInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// RestoreClusterOperation returns a new RestoreClusterOperation from a given name.
// The name must be that of a previously created RestoreClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) RestoreClusterOperation(name string) *RestoreClusterOperation {
	return &RestoreClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// RestoreClusterOperation returns a new RestoreClusterOperation from a given name.
// The name must be that of a previously created RestoreClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) RestoreClusterOperation(name string) *RestoreClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &RestoreClusterOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// UpdateBackupOperation returns a new UpdateBackupOperation from a given name.
// The name must be that of a previously created UpdateBackupOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) UpdateBackupOperation(name string) *UpdateBackupOperation {
	return &UpdateBackupOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// UpdateBackupOperation returns a new UpdateBackupOperation from a given name.
// The name must be that of a previously created UpdateBackupOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) UpdateBackupOperation(name string) *UpdateBackupOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &UpdateBackupOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}

// UpdateClusterOperation returns a new UpdateClusterOperation from a given name.
// The name must be that of a previously created UpdateClusterOperation, possibly from a different process.
func (c *alloyDBAdminGRPCClient) UpdateClusterOperation(name string) *UpdateClusterOperation {
	return &UpdateClusterOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

// UpdateClusterOperation returns a new UpdateClusterOperation from a given name.
// The name must be that of a previously created UpdateClusterOperation, possibly from a different process.
func (c *alloyDBAdminRESTClient) UpdateClusterOperation(name string) *UpdateClusterOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &UpdateClusterOperation{
		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 *alloyDBAdminGRPCClient) 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 *alloyDBAdminRESTClient) UpdateInstanceOperation(name string) *UpdateInstanceOperation {
	override := fmt.Sprintf("/v1alpha/%s", name)
	return &UpdateInstanceOperation{
		lro:      longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
		pollPath: override,
	}
}