cloud.google.com/go/aiplatform@v1.106.0/apiv1/dataset_client.go

// Copyright 2025 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 aiplatform

import (
	"context"
	"fmt"
	"log/slog"
	"math"
	"net/url"

	aiplatformpb "cloud.google.com/go/aiplatform/apiv1/aiplatformpb"
	iampb "cloud.google.com/go/iam/apiv1/iampb"
	"cloud.google.com/go/longrunning"
	lroauto "cloud.google.com/go/longrunning/autogen"
	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	locationpb "google.golang.org/genproto/googleapis/cloud/location"
	"google.golang.org/grpc"
	"google.golang.org/protobuf/proto"
)

var newDatasetClientHook clientHook

// DatasetCallOptions contains the retry settings for each method of DatasetClient.
type DatasetCallOptions struct {
	CreateDataset         []gax.CallOption
	GetDataset            []gax.CallOption
	UpdateDataset         []gax.CallOption
	ListDatasets          []gax.CallOption
	DeleteDataset         []gax.CallOption
	ImportData            []gax.CallOption
	ExportData            []gax.CallOption
	CreateDatasetVersion  []gax.CallOption
	UpdateDatasetVersion  []gax.CallOption
	DeleteDatasetVersion  []gax.CallOption
	GetDatasetVersion     []gax.CallOption
	ListDatasetVersions   []gax.CallOption
	RestoreDatasetVersion []gax.CallOption
	ListDataItems         []gax.CallOption
	SearchDataItems       []gax.CallOption
	ListSavedQueries      []gax.CallOption
	DeleteSavedQuery      []gax.CallOption
	GetAnnotationSpec     []gax.CallOption
	ListAnnotations       []gax.CallOption
	GetLocation           []gax.CallOption
	ListLocations         []gax.CallOption
	GetIamPolicy          []gax.CallOption
	SetIamPolicy          []gax.CallOption
	TestIamPermissions    []gax.CallOption
	CancelOperation       []gax.CallOption
	DeleteOperation       []gax.CallOption
	GetOperation          []gax.CallOption
	ListOperations        []gax.CallOption
	WaitOperation         []gax.CallOption
}

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

func defaultDatasetCallOptions() *DatasetCallOptions {
	return &DatasetCallOptions{
		CreateDataset:         []gax.CallOption{},
		GetDataset:            []gax.CallOption{},
		UpdateDataset:         []gax.CallOption{},
		ListDatasets:          []gax.CallOption{},
		DeleteDataset:         []gax.CallOption{},
		ImportData:            []gax.CallOption{},
		ExportData:            []gax.CallOption{},
		CreateDatasetVersion:  []gax.CallOption{},
		UpdateDatasetVersion:  []gax.CallOption{},
		DeleteDatasetVersion:  []gax.CallOption{},
		GetDatasetVersion:     []gax.CallOption{},
		ListDatasetVersions:   []gax.CallOption{},
		RestoreDatasetVersion: []gax.CallOption{},
		ListDataItems:         []gax.CallOption{},
		SearchDataItems:       []gax.CallOption{},
		ListSavedQueries:      []gax.CallOption{},
		DeleteSavedQuery:      []gax.CallOption{},
		GetAnnotationSpec:     []gax.CallOption{},
		ListAnnotations:       []gax.CallOption{},
		GetLocation:           []gax.CallOption{},
		ListLocations:         []gax.CallOption{},
		GetIamPolicy:          []gax.CallOption{},
		SetIamPolicy:          []gax.CallOption{},
		TestIamPermissions:    []gax.CallOption{},
		CancelOperation:       []gax.CallOption{},
		DeleteOperation:       []gax.CallOption{},
		GetOperation:          []gax.CallOption{},
		ListOperations:        []gax.CallOption{},
		WaitOperation:         []gax.CallOption{},
	}
}

// internalDatasetClient is an interface that defines the methods available from Vertex AI API.
type internalDatasetClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateDataset(context.Context, *aiplatformpb.CreateDatasetRequest, ...gax.CallOption) (*CreateDatasetOperation, error)
	CreateDatasetOperation(name string) *CreateDatasetOperation
	GetDataset(context.Context, *aiplatformpb.GetDatasetRequest, ...gax.CallOption) (*aiplatformpb.Dataset, error)
	UpdateDataset(context.Context, *aiplatformpb.UpdateDatasetRequest, ...gax.CallOption) (*aiplatformpb.Dataset, error)
	ListDatasets(context.Context, *aiplatformpb.ListDatasetsRequest, ...gax.CallOption) *DatasetIterator
	DeleteDataset(context.Context, *aiplatformpb.DeleteDatasetRequest, ...gax.CallOption) (*DeleteDatasetOperation, error)
	DeleteDatasetOperation(name string) *DeleteDatasetOperation
	ImportData(context.Context, *aiplatformpb.ImportDataRequest, ...gax.CallOption) (*ImportDataOperation, error)
	ImportDataOperation(name string) *ImportDataOperation
	ExportData(context.Context, *aiplatformpb.ExportDataRequest, ...gax.CallOption) (*ExportDataOperation, error)
	ExportDataOperation(name string) *ExportDataOperation
	CreateDatasetVersion(context.Context, *aiplatformpb.CreateDatasetVersionRequest, ...gax.CallOption) (*CreateDatasetVersionOperation, error)
	CreateDatasetVersionOperation(name string) *CreateDatasetVersionOperation
	UpdateDatasetVersion(context.Context, *aiplatformpb.UpdateDatasetVersionRequest, ...gax.CallOption) (*aiplatformpb.DatasetVersion, error)
	DeleteDatasetVersion(context.Context, *aiplatformpb.DeleteDatasetVersionRequest, ...gax.CallOption) (*DeleteDatasetVersionOperation, error)
	DeleteDatasetVersionOperation(name string) *DeleteDatasetVersionOperation
	GetDatasetVersion(context.Context, *aiplatformpb.GetDatasetVersionRequest, ...gax.CallOption) (*aiplatformpb.DatasetVersion, error)
	ListDatasetVersions(context.Context, *aiplatformpb.ListDatasetVersionsRequest, ...gax.CallOption) *DatasetVersionIterator
	RestoreDatasetVersion(context.Context, *aiplatformpb.RestoreDatasetVersionRequest, ...gax.CallOption) (*RestoreDatasetVersionOperation, error)
	RestoreDatasetVersionOperation(name string) *RestoreDatasetVersionOperation
	ListDataItems(context.Context, *aiplatformpb.ListDataItemsRequest, ...gax.CallOption) *DataItemIterator
	SearchDataItems(context.Context, *aiplatformpb.SearchDataItemsRequest, ...gax.CallOption) *DataItemViewIterator
	ListSavedQueries(context.Context, *aiplatformpb.ListSavedQueriesRequest, ...gax.CallOption) *SavedQueryIterator
	DeleteSavedQuery(context.Context, *aiplatformpb.DeleteSavedQueryRequest, ...gax.CallOption) (*DeleteSavedQueryOperation, error)
	DeleteSavedQueryOperation(name string) *DeleteSavedQueryOperation
	GetAnnotationSpec(context.Context, *aiplatformpb.GetAnnotationSpecRequest, ...gax.CallOption) (*aiplatformpb.AnnotationSpec, error)
	ListAnnotations(context.Context, *aiplatformpb.ListAnnotationsRequest, ...gax.CallOption) *AnnotationIterator
	GetLocation(context.Context, *locationpb.GetLocationRequest, ...gax.CallOption) (*locationpb.Location, error)
	ListLocations(context.Context, *locationpb.ListLocationsRequest, ...gax.CallOption) *LocationIterator
	GetIamPolicy(context.Context, *iampb.GetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
	SetIamPolicy(context.Context, *iampb.SetIamPolicyRequest, ...gax.CallOption) (*iampb.Policy, error)
	TestIamPermissions(context.Context, *iampb.TestIamPermissionsRequest, ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error)
	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
	WaitOperation(context.Context, *longrunningpb.WaitOperationRequest, ...gax.CallOption) (*longrunningpb.Operation, error)
}

// DatasetClient is a client for interacting with Vertex AI API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// The service that manages Vertex AI Dataset and its child resources.
type DatasetClient struct {
	// The internal transport-dependent client.
	internalClient internalDatasetClient

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

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

// CreateDataset creates a Dataset.
func (c *DatasetClient) CreateDataset(ctx context.Context, req *aiplatformpb.CreateDatasetRequest, opts ...gax.CallOption) (*CreateDatasetOperation, error) {
	return c.internalClient.CreateDataset(ctx, req, opts...)
}

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

// GetDataset gets a Dataset.
func (c *DatasetClient) GetDataset(ctx context.Context, req *aiplatformpb.GetDatasetRequest, opts ...gax.CallOption) (*aiplatformpb.Dataset, error) {
	return c.internalClient.GetDataset(ctx, req, opts...)
}

// UpdateDataset updates a Dataset.
func (c *DatasetClient) UpdateDataset(ctx context.Context, req *aiplatformpb.UpdateDatasetRequest, opts ...gax.CallOption) (*aiplatformpb.Dataset, error) {
	return c.internalClient.UpdateDataset(ctx, req, opts...)
}

// ListDatasets lists Datasets in a Location.
func (c *DatasetClient) ListDatasets(ctx context.Context, req *aiplatformpb.ListDatasetsRequest, opts ...gax.CallOption) *DatasetIterator {
	return c.internalClient.ListDatasets(ctx, req, opts...)
}

// DeleteDataset deletes a Dataset.
func (c *DatasetClient) DeleteDataset(ctx context.Context, req *aiplatformpb.DeleteDatasetRequest, opts ...gax.CallOption) (*DeleteDatasetOperation, error) {
	return c.internalClient.DeleteDataset(ctx, req, opts...)
}

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

// ImportData imports data into a Dataset.
func (c *DatasetClient) ImportData(ctx context.Context, req *aiplatformpb.ImportDataRequest, opts ...gax.CallOption) (*ImportDataOperation, error) {
	return c.internalClient.ImportData(ctx, req, opts...)
}

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

// ExportData exports data from a Dataset.
func (c *DatasetClient) ExportData(ctx context.Context, req *aiplatformpb.ExportDataRequest, opts ...gax.CallOption) (*ExportDataOperation, error) {
	return c.internalClient.ExportData(ctx, req, opts...)
}

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

// CreateDatasetVersion create a version from a Dataset.
func (c *DatasetClient) CreateDatasetVersion(ctx context.Context, req *aiplatformpb.CreateDatasetVersionRequest, opts ...gax.CallOption) (*CreateDatasetVersionOperation, error) {
	return c.internalClient.CreateDatasetVersion(ctx, req, opts...)
}

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

// UpdateDatasetVersion updates a DatasetVersion.
func (c *DatasetClient) UpdateDatasetVersion(ctx context.Context, req *aiplatformpb.UpdateDatasetVersionRequest, opts ...gax.CallOption) (*aiplatformpb.DatasetVersion, error) {
	return c.internalClient.UpdateDatasetVersion(ctx, req, opts...)
}

// DeleteDatasetVersion deletes a Dataset version.
func (c *DatasetClient) DeleteDatasetVersion(ctx context.Context, req *aiplatformpb.DeleteDatasetVersionRequest, opts ...gax.CallOption) (*DeleteDatasetVersionOperation, error) {
	return c.internalClient.DeleteDatasetVersion(ctx, req, opts...)
}

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

// GetDatasetVersion gets a Dataset version.
func (c *DatasetClient) GetDatasetVersion(ctx context.Context, req *aiplatformpb.GetDatasetVersionRequest, opts ...gax.CallOption) (*aiplatformpb.DatasetVersion, error) {
	return c.internalClient.GetDatasetVersion(ctx, req, opts...)
}

// ListDatasetVersions lists DatasetVersions in a Dataset.
func (c *DatasetClient) ListDatasetVersions(ctx context.Context, req *aiplatformpb.ListDatasetVersionsRequest, opts ...gax.CallOption) *DatasetVersionIterator {
	return c.internalClient.ListDatasetVersions(ctx, req, opts...)
}

// RestoreDatasetVersion restores a dataset version.
func (c *DatasetClient) RestoreDatasetVersion(ctx context.Context, req *aiplatformpb.RestoreDatasetVersionRequest, opts ...gax.CallOption) (*RestoreDatasetVersionOperation, error) {
	return c.internalClient.RestoreDatasetVersion(ctx, req, opts...)
}

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

// ListDataItems lists DataItems in a Dataset.
func (c *DatasetClient) ListDataItems(ctx context.Context, req *aiplatformpb.ListDataItemsRequest, opts ...gax.CallOption) *DataItemIterator {
	return c.internalClient.ListDataItems(ctx, req, opts...)
}

// SearchDataItems searches DataItems in a Dataset.
func (c *DatasetClient) SearchDataItems(ctx context.Context, req *aiplatformpb.SearchDataItemsRequest, opts ...gax.CallOption) *DataItemViewIterator {
	return c.internalClient.SearchDataItems(ctx, req, opts...)
}

// ListSavedQueries lists SavedQueries in a Dataset.
func (c *DatasetClient) ListSavedQueries(ctx context.Context, req *aiplatformpb.ListSavedQueriesRequest, opts ...gax.CallOption) *SavedQueryIterator {
	return c.internalClient.ListSavedQueries(ctx, req, opts...)
}

// DeleteSavedQuery deletes a SavedQuery.
func (c *DatasetClient) DeleteSavedQuery(ctx context.Context, req *aiplatformpb.DeleteSavedQueryRequest, opts ...gax.CallOption) (*DeleteSavedQueryOperation, error) {
	return c.internalClient.DeleteSavedQuery(ctx, req, opts...)
}

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

// GetAnnotationSpec gets an AnnotationSpec.
func (c *DatasetClient) GetAnnotationSpec(ctx context.Context, req *aiplatformpb.GetAnnotationSpecRequest, opts ...gax.CallOption) (*aiplatformpb.AnnotationSpec, error) {
	return c.internalClient.GetAnnotationSpec(ctx, req, opts...)
}

// ListAnnotations lists Annotations belongs to a dataitem
// This RPC is only available in InternalDatasetService. It is only used for
// exporting conversation data to CCAI Insights.
func (c *DatasetClient) ListAnnotations(ctx context.Context, req *aiplatformpb.ListAnnotationsRequest, opts ...gax.CallOption) *AnnotationIterator {
	return c.internalClient.ListAnnotations(ctx, req, opts...)
}

// GetLocation gets information about a location.
func (c *DatasetClient) 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 *DatasetClient) ListLocations(ctx context.Context, req *locationpb.ListLocationsRequest, opts ...gax.CallOption) *LocationIterator {
	return c.internalClient.ListLocations(ctx, req, opts...)
}

// GetIamPolicy gets the access control policy for a resource. Returns an empty policy
// if the resource exists and does not have a policy set.
func (c *DatasetClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
	return c.internalClient.GetIamPolicy(ctx, req, opts...)
}

// SetIamPolicy sets the access control policy on the specified resource. Replaces
// any existing policy.
//
// Can return NOT_FOUND, INVALID_ARGUMENT, and PERMISSION_DENIED
// errors.
func (c *DatasetClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
	return c.internalClient.SetIamPolicy(ctx, req, opts...)
}

// TestIamPermissions returns permissions that a caller has on the specified resource. If the
// resource does not exist, this will return an empty set of
// permissions, not a NOT_FOUND error.
//
// Note: This operation is designed to be used for building
// permission-aware UIs and command-line tools, not for authorization
// checking. This operation may “fail open” without warning.
func (c *DatasetClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
	return c.internalClient.TestIamPermissions(ctx, req, opts...)
}

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

// WaitOperation is a utility method from google.longrunning.Operations.
func (c *DatasetClient) WaitOperation(ctx context.Context, req *longrunningpb.WaitOperationRequest, opts ...gax.CallOption) (*longrunningpb.Operation, error) {
	return c.internalClient.WaitOperation(ctx, req, opts...)
}

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

	// Points back to the CallOptions field of the containing DatasetClient
	CallOptions **DatasetCallOptions

	// The gRPC API client.
	datasetClient aiplatformpb.DatasetServiceClient

	// 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

	iamPolicyClient iampb.IAMPolicyClient

	locationsClient locationpb.LocationsClient

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

	logger *slog.Logger
}

// NewDatasetClient creates a new dataset service client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// The service that manages Vertex AI Dataset and its child resources.
func NewDatasetClient(ctx context.Context, opts ...option.ClientOption) (*DatasetClient, error) {
	clientOpts := defaultDatasetGRPCClientOptions()
	if newDatasetClientHook != nil {
		hookOpts, err := newDatasetClientHook(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 := DatasetClient{CallOptions: defaultDatasetCallOptions()}

	c := &datasetGRPCClient{
		connPool:         connPool,
		datasetClient:    aiplatformpb.NewDatasetServiceClient(connPool),
		CallOptions:      &client.CallOptions,
		logger:           internaloption.GetLogger(opts),
		operationsClient: longrunningpb.NewOperationsClient(connPool),
		iamPolicyClient:  iampb.NewIAMPolicyClient(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 *datasetGRPCClient) 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 *datasetGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version, "pb", protoVersion)
	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 *datasetGRPCClient) Close() error {
	return c.connPool.Close()
}

func (c *datasetGRPCClient) CreateDataset(ctx context.Context, req *aiplatformpb.CreateDatasetRequest, opts ...gax.CallOption) (*CreateDatasetOperation, 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).CreateDataset[0:len((*c.CallOptions).CreateDataset):len((*c.CallOptions).CreateDataset)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.CreateDataset, req, settings.GRPC, c.logger, "CreateDataset")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateDatasetOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) GetDataset(ctx context.Context, req *aiplatformpb.GetDatasetRequest, opts ...gax.CallOption) (*aiplatformpb.Dataset, 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).GetDataset[0:len((*c.CallOptions).GetDataset):len((*c.CallOptions).GetDataset)], opts...)
	var resp *aiplatformpb.Dataset
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.GetDataset, req, settings.GRPC, c.logger, "GetDataset")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) UpdateDataset(ctx context.Context, req *aiplatformpb.UpdateDatasetRequest, opts ...gax.CallOption) (*aiplatformpb.Dataset, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "dataset.name", url.QueryEscape(req.GetDataset().GetName()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).UpdateDataset[0:len((*c.CallOptions).UpdateDataset):len((*c.CallOptions).UpdateDataset)], opts...)
	var resp *aiplatformpb.Dataset
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.UpdateDataset, req, settings.GRPC, c.logger, "UpdateDataset")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) ListDatasets(ctx context.Context, req *aiplatformpb.ListDatasetsRequest, opts ...gax.CallOption) *DatasetIterator {
	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).ListDatasets[0:len((*c.CallOptions).ListDatasets):len((*c.CallOptions).ListDatasets)], opts...)
	it := &DatasetIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListDatasetsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Dataset, string, error) {
		resp := &aiplatformpb.ListDatasetsResponse{}
		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 = executeRPC(ctx, c.datasetClient.ListDatasets, req, settings.GRPC, c.logger, "ListDatasets")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetDatasets(), 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 *datasetGRPCClient) DeleteDataset(ctx context.Context, req *aiplatformpb.DeleteDatasetRequest, opts ...gax.CallOption) (*DeleteDatasetOperation, 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).DeleteDataset[0:len((*c.CallOptions).DeleteDataset):len((*c.CallOptions).DeleteDataset)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.DeleteDataset, req, settings.GRPC, c.logger, "DeleteDataset")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteDatasetOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) ImportData(ctx context.Context, req *aiplatformpb.ImportDataRequest, opts ...gax.CallOption) (*ImportDataOperation, 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).ImportData[0:len((*c.CallOptions).ImportData):len((*c.CallOptions).ImportData)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.ImportData, req, settings.GRPC, c.logger, "ImportData")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ImportDataOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) ExportData(ctx context.Context, req *aiplatformpb.ExportDataRequest, opts ...gax.CallOption) (*ExportDataOperation, 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).ExportData[0:len((*c.CallOptions).ExportData):len((*c.CallOptions).ExportData)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.ExportData, req, settings.GRPC, c.logger, "ExportData")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ExportDataOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) CreateDatasetVersion(ctx context.Context, req *aiplatformpb.CreateDatasetVersionRequest, opts ...gax.CallOption) (*CreateDatasetVersionOperation, 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).CreateDatasetVersion[0:len((*c.CallOptions).CreateDatasetVersion):len((*c.CallOptions).CreateDatasetVersion)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.CreateDatasetVersion, req, settings.GRPC, c.logger, "CreateDatasetVersion")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateDatasetVersionOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) UpdateDatasetVersion(ctx context.Context, req *aiplatformpb.UpdateDatasetVersionRequest, opts ...gax.CallOption) (*aiplatformpb.DatasetVersion, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "dataset_version.name", url.QueryEscape(req.GetDatasetVersion().GetName()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).UpdateDatasetVersion[0:len((*c.CallOptions).UpdateDatasetVersion):len((*c.CallOptions).UpdateDatasetVersion)], opts...)
	var resp *aiplatformpb.DatasetVersion
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.UpdateDatasetVersion, req, settings.GRPC, c.logger, "UpdateDatasetVersion")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) DeleteDatasetVersion(ctx context.Context, req *aiplatformpb.DeleteDatasetVersionRequest, opts ...gax.CallOption) (*DeleteDatasetVersionOperation, 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).DeleteDatasetVersion[0:len((*c.CallOptions).DeleteDatasetVersion):len((*c.CallOptions).DeleteDatasetVersion)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.DeleteDatasetVersion, req, settings.GRPC, c.logger, "DeleteDatasetVersion")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteDatasetVersionOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) GetDatasetVersion(ctx context.Context, req *aiplatformpb.GetDatasetVersionRequest, opts ...gax.CallOption) (*aiplatformpb.DatasetVersion, 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).GetDatasetVersion[0:len((*c.CallOptions).GetDatasetVersion):len((*c.CallOptions).GetDatasetVersion)], opts...)
	var resp *aiplatformpb.DatasetVersion
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.GetDatasetVersion, req, settings.GRPC, c.logger, "GetDatasetVersion")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) ListDatasetVersions(ctx context.Context, req *aiplatformpb.ListDatasetVersionsRequest, opts ...gax.CallOption) *DatasetVersionIterator {
	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).ListDatasetVersions[0:len((*c.CallOptions).ListDatasetVersions):len((*c.CallOptions).ListDatasetVersions)], opts...)
	it := &DatasetVersionIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListDatasetVersionsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.DatasetVersion, string, error) {
		resp := &aiplatformpb.ListDatasetVersionsResponse{}
		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 = executeRPC(ctx, c.datasetClient.ListDatasetVersions, req, settings.GRPC, c.logger, "ListDatasetVersions")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetDatasetVersions(), 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 *datasetGRPCClient) RestoreDatasetVersion(ctx context.Context, req *aiplatformpb.RestoreDatasetVersionRequest, opts ...gax.CallOption) (*RestoreDatasetVersionOperation, 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).RestoreDatasetVersion[0:len((*c.CallOptions).RestoreDatasetVersion):len((*c.CallOptions).RestoreDatasetVersion)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.RestoreDatasetVersion, req, settings.GRPC, c.logger, "RestoreDatasetVersion")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &RestoreDatasetVersionOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) ListDataItems(ctx context.Context, req *aiplatformpb.ListDataItemsRequest, opts ...gax.CallOption) *DataItemIterator {
	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).ListDataItems[0:len((*c.CallOptions).ListDataItems):len((*c.CallOptions).ListDataItems)], opts...)
	it := &DataItemIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListDataItemsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.DataItem, string, error) {
		resp := &aiplatformpb.ListDataItemsResponse{}
		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 = executeRPC(ctx, c.datasetClient.ListDataItems, req, settings.GRPC, c.logger, "ListDataItems")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetDataItems(), 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 *datasetGRPCClient) SearchDataItems(ctx context.Context, req *aiplatformpb.SearchDataItemsRequest, opts ...gax.CallOption) *DataItemViewIterator {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "dataset", url.QueryEscape(req.GetDataset()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).SearchDataItems[0:len((*c.CallOptions).SearchDataItems):len((*c.CallOptions).SearchDataItems)], opts...)
	it := &DataItemViewIterator{}
	req = proto.Clone(req).(*aiplatformpb.SearchDataItemsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.DataItemView, string, error) {
		resp := &aiplatformpb.SearchDataItemsResponse{}
		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 = executeRPC(ctx, c.datasetClient.SearchDataItems, req, settings.GRPC, c.logger, "SearchDataItems")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetDataItemViews(), 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 *datasetGRPCClient) ListSavedQueries(ctx context.Context, req *aiplatformpb.ListSavedQueriesRequest, opts ...gax.CallOption) *SavedQueryIterator {
	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).ListSavedQueries[0:len((*c.CallOptions).ListSavedQueries):len((*c.CallOptions).ListSavedQueries)], opts...)
	it := &SavedQueryIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListSavedQueriesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.SavedQuery, string, error) {
		resp := &aiplatformpb.ListSavedQueriesResponse{}
		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 = executeRPC(ctx, c.datasetClient.ListSavedQueries, req, settings.GRPC, c.logger, "ListSavedQueries")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetSavedQueries(), 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 *datasetGRPCClient) DeleteSavedQuery(ctx context.Context, req *aiplatformpb.DeleteSavedQueryRequest, opts ...gax.CallOption) (*DeleteSavedQueryOperation, 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).DeleteSavedQuery[0:len((*c.CallOptions).DeleteSavedQuery):len((*c.CallOptions).DeleteSavedQuery)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.DeleteSavedQuery, req, settings.GRPC, c.logger, "DeleteSavedQuery")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteSavedQueryOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *datasetGRPCClient) GetAnnotationSpec(ctx context.Context, req *aiplatformpb.GetAnnotationSpecRequest, opts ...gax.CallOption) (*aiplatformpb.AnnotationSpec, 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).GetAnnotationSpec[0:len((*c.CallOptions).GetAnnotationSpec):len((*c.CallOptions).GetAnnotationSpec)], opts...)
	var resp *aiplatformpb.AnnotationSpec
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.datasetClient.GetAnnotationSpec, req, settings.GRPC, c.logger, "GetAnnotationSpec")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) ListAnnotations(ctx context.Context, req *aiplatformpb.ListAnnotationsRequest, opts ...gax.CallOption) *AnnotationIterator {
	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).ListAnnotations[0:len((*c.CallOptions).ListAnnotations):len((*c.CallOptions).ListAnnotations)], opts...)
	it := &AnnotationIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListAnnotationsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Annotation, string, error) {
		resp := &aiplatformpb.ListAnnotationsResponse{}
		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 = executeRPC(ctx, c.datasetClient.ListAnnotations, req, settings.GRPC, c.logger, "ListAnnotations")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetAnnotations(), 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 *datasetGRPCClient) 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 = executeRPC(ctx, c.locationsClient.GetLocation, req, settings.GRPC, c.logger, "GetLocation")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) 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 = executeRPC(ctx, c.locationsClient.ListLocations, req, settings.GRPC, c.logger, "ListLocations")
			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 *datasetGRPCClient) GetIamPolicy(ctx context.Context, req *iampb.GetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
	var resp *iampb.Policy
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.iamPolicyClient.GetIamPolicy, req, settings.GRPC, c.logger, "GetIamPolicy")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) SetIamPolicy(ctx context.Context, req *iampb.SetIamPolicyRequest, opts ...gax.CallOption) (*iampb.Policy, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
	var resp *iampb.Policy
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.iamPolicyClient.SetIamPolicy, req, settings.GRPC, c.logger, "SetIamPolicy")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) TestIamPermissions(ctx context.Context, req *iampb.TestIamPermissionsRequest, opts ...gax.CallOption) (*iampb.TestIamPermissionsResponse, error) {
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v", "resource", url.QueryEscape(req.GetResource()))}

	hds = append(c.xGoogHeaders, hds...)
	ctx = gax.InsertMetadataIntoOutgoingContext(ctx, hds...)
	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
	var resp *iampb.TestIamPermissionsResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.iamPolicyClient.TestIamPermissions, req, settings.GRPC, c.logger, "TestIamPermissions")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) 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 = executeRPC(ctx, c.operationsClient.CancelOperation, req, settings.GRPC, c.logger, "CancelOperation")
		return err
	}, opts...)
	return err
}

func (c *datasetGRPCClient) 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 = executeRPC(ctx, c.operationsClient.DeleteOperation, req, settings.GRPC, c.logger, "DeleteOperation")
		return err
	}, opts...)
	return err
}

func (c *datasetGRPCClient) 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 = executeRPC(ctx, c.operationsClient.GetOperation, req, settings.GRPC, c.logger, "GetOperation")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *datasetGRPCClient) 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 = executeRPC(ctx, c.operationsClient.ListOperations, req, settings.GRPC, c.logger, "ListOperations")
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetOperations(), resp.GetNextPageToken(), nil
	}
	fetch := func(pageSize int, pageToken string) (string, error) {
		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
		if err != nil {
			return "", err
		}
		it.items = append(it.items, items...)
		return nextPageToken, nil
	}

	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
	it.pageInfo.MaxSize = int(req.GetPageSize())
	it.pageInfo.Token = req.GetPageToken()

	return it
}

func (c *datasetGRPCClient) WaitOperation(ctx context.Context, req *longrunningpb.WaitOperationRequest, 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).WaitOperation[0:len((*c.CallOptions).WaitOperation):len((*c.CallOptions).WaitOperation)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = executeRPC(ctx, c.operationsClient.WaitOperation, req, settings.GRPC, c.logger, "WaitOperation")
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

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

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

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

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

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

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

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

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