// Copyright 2022 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"
	"math"
	"net/url"
	"time"

	"cloud.google.com/go/longrunning"
	lroauto "cloud.google.com/go/longrunning/autogen"
	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"
	aiplatformpb "google.golang.org/genproto/googleapis/cloud/aiplatform/v1beta1"
	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
	"google.golang.org/protobuf/proto"
)

var newFeaturestoreClientHook clientHook

// FeaturestoreCallOptions contains the retry settings for each method of FeaturestoreClient.
type FeaturestoreCallOptions struct {
	CreateFeaturestore     []gax.CallOption
	GetFeaturestore        []gax.CallOption
	ListFeaturestores      []gax.CallOption
	UpdateFeaturestore     []gax.CallOption
	DeleteFeaturestore     []gax.CallOption
	CreateEntityType       []gax.CallOption
	GetEntityType          []gax.CallOption
	ListEntityTypes        []gax.CallOption
	UpdateEntityType       []gax.CallOption
	DeleteEntityType       []gax.CallOption
	CreateFeature          []gax.CallOption
	BatchCreateFeatures    []gax.CallOption
	GetFeature             []gax.CallOption
	ListFeatures           []gax.CallOption
	UpdateFeature          []gax.CallOption
	DeleteFeature          []gax.CallOption
	ImportFeatureValues    []gax.CallOption
	BatchReadFeatureValues []gax.CallOption
	ExportFeatureValues    []gax.CallOption
	SearchFeatures         []gax.CallOption
}

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

func defaultFeaturestoreCallOptions() *FeaturestoreCallOptions {
	return &FeaturestoreCallOptions{
		CreateFeaturestore:     []gax.CallOption{},
		GetFeaturestore:        []gax.CallOption{},
		ListFeaturestores:      []gax.CallOption{},
		UpdateFeaturestore:     []gax.CallOption{},
		DeleteFeaturestore:     []gax.CallOption{},
		CreateEntityType:       []gax.CallOption{},
		GetEntityType:          []gax.CallOption{},
		ListEntityTypes:        []gax.CallOption{},
		UpdateEntityType:       []gax.CallOption{},
		DeleteEntityType:       []gax.CallOption{},
		CreateFeature:          []gax.CallOption{},
		BatchCreateFeatures:    []gax.CallOption{},
		GetFeature:             []gax.CallOption{},
		ListFeatures:           []gax.CallOption{},
		UpdateFeature:          []gax.CallOption{},
		DeleteFeature:          []gax.CallOption{},
		ImportFeatureValues:    []gax.CallOption{},
		BatchReadFeatureValues: []gax.CallOption{},
		ExportFeatureValues:    []gax.CallOption{},
		SearchFeatures:         []gax.CallOption{},
	}
}

// internalFeaturestoreClient is an interface that defines the methods availaible from Vertex AI API.
type internalFeaturestoreClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateFeaturestore(context.Context, *aiplatformpb.CreateFeaturestoreRequest, ...gax.CallOption) (*CreateFeaturestoreOperation, error)
	CreateFeaturestoreOperation(name string) *CreateFeaturestoreOperation
	GetFeaturestore(context.Context, *aiplatformpb.GetFeaturestoreRequest, ...gax.CallOption) (*aiplatformpb.Featurestore, error)
	ListFeaturestores(context.Context, *aiplatformpb.ListFeaturestoresRequest, ...gax.CallOption) *FeaturestoreIterator
	UpdateFeaturestore(context.Context, *aiplatformpb.UpdateFeaturestoreRequest, ...gax.CallOption) (*UpdateFeaturestoreOperation, error)
	UpdateFeaturestoreOperation(name string) *UpdateFeaturestoreOperation
	DeleteFeaturestore(context.Context, *aiplatformpb.DeleteFeaturestoreRequest, ...gax.CallOption) (*DeleteFeaturestoreOperation, error)
	DeleteFeaturestoreOperation(name string) *DeleteFeaturestoreOperation
	CreateEntityType(context.Context, *aiplatformpb.CreateEntityTypeRequest, ...gax.CallOption) (*CreateEntityTypeOperation, error)
	CreateEntityTypeOperation(name string) *CreateEntityTypeOperation
	GetEntityType(context.Context, *aiplatformpb.GetEntityTypeRequest, ...gax.CallOption) (*aiplatformpb.EntityType, error)
	ListEntityTypes(context.Context, *aiplatformpb.ListEntityTypesRequest, ...gax.CallOption) *EntityTypeIterator
	UpdateEntityType(context.Context, *aiplatformpb.UpdateEntityTypeRequest, ...gax.CallOption) (*aiplatformpb.EntityType, error)
	DeleteEntityType(context.Context, *aiplatformpb.DeleteEntityTypeRequest, ...gax.CallOption) (*DeleteEntityTypeOperation, error)
	DeleteEntityTypeOperation(name string) *DeleteEntityTypeOperation
	CreateFeature(context.Context, *aiplatformpb.CreateFeatureRequest, ...gax.CallOption) (*CreateFeatureOperation, error)
	CreateFeatureOperation(name string) *CreateFeatureOperation
	BatchCreateFeatures(context.Context, *aiplatformpb.BatchCreateFeaturesRequest, ...gax.CallOption) (*BatchCreateFeaturesOperation, error)
	BatchCreateFeaturesOperation(name string) *BatchCreateFeaturesOperation
	GetFeature(context.Context, *aiplatformpb.GetFeatureRequest, ...gax.CallOption) (*aiplatformpb.Feature, error)
	ListFeatures(context.Context, *aiplatformpb.ListFeaturesRequest, ...gax.CallOption) *FeatureIterator
	UpdateFeature(context.Context, *aiplatformpb.UpdateFeatureRequest, ...gax.CallOption) (*aiplatformpb.Feature, error)
	DeleteFeature(context.Context, *aiplatformpb.DeleteFeatureRequest, ...gax.CallOption) (*DeleteFeatureOperation, error)
	DeleteFeatureOperation(name string) *DeleteFeatureOperation
	ImportFeatureValues(context.Context, *aiplatformpb.ImportFeatureValuesRequest, ...gax.CallOption) (*ImportFeatureValuesOperation, error)
	ImportFeatureValuesOperation(name string) *ImportFeatureValuesOperation
	BatchReadFeatureValues(context.Context, *aiplatformpb.BatchReadFeatureValuesRequest, ...gax.CallOption) (*BatchReadFeatureValuesOperation, error)
	BatchReadFeatureValuesOperation(name string) *BatchReadFeatureValuesOperation
	ExportFeatureValues(context.Context, *aiplatformpb.ExportFeatureValuesRequest, ...gax.CallOption) (*ExportFeatureValuesOperation, error)
	ExportFeatureValuesOperation(name string) *ExportFeatureValuesOperation
	SearchFeatures(context.Context, *aiplatformpb.SearchFeaturesRequest, ...gax.CallOption) *FeatureIterator
}

// FeaturestoreClient 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 handles CRUD and List for resources for Featurestore.
type FeaturestoreClient struct {
	// The internal transport-dependent client.
	internalClient internalFeaturestoreClient

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

	// 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 *FeaturestoreClient) 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 *FeaturestoreClient) setGoogleClientInfo(keyval ...string) {
	c.internalClient.setGoogleClientInfo(keyval...)
}

// Connection returns a connection to the API service.
//
// Deprecated.
func (c *FeaturestoreClient) Connection() *grpc.ClientConn {
	return c.internalClient.Connection()
}

// CreateFeaturestore creates a new Featurestore in a given project and location.
func (c *FeaturestoreClient) CreateFeaturestore(ctx context.Context, req *aiplatformpb.CreateFeaturestoreRequest, opts ...gax.CallOption) (*CreateFeaturestoreOperation, error) {
	return c.internalClient.CreateFeaturestore(ctx, req, opts...)
}

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

// GetFeaturestore gets details of a single Featurestore.
func (c *FeaturestoreClient) GetFeaturestore(ctx context.Context, req *aiplatformpb.GetFeaturestoreRequest, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	return c.internalClient.GetFeaturestore(ctx, req, opts...)
}

// ListFeaturestores lists Featurestores in a given project and location.
func (c *FeaturestoreClient) ListFeaturestores(ctx context.Context, req *aiplatformpb.ListFeaturestoresRequest, opts ...gax.CallOption) *FeaturestoreIterator {
	return c.internalClient.ListFeaturestores(ctx, req, opts...)
}

// UpdateFeaturestore updates the parameters of a single Featurestore.
func (c *FeaturestoreClient) UpdateFeaturestore(ctx context.Context, req *aiplatformpb.UpdateFeaturestoreRequest, opts ...gax.CallOption) (*UpdateFeaturestoreOperation, error) {
	return c.internalClient.UpdateFeaturestore(ctx, req, opts...)
}

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

// DeleteFeaturestore deletes a single Featurestore. The Featurestore must not contain any
// EntityTypes or force must be set to true for the request to succeed.
func (c *FeaturestoreClient) DeleteFeaturestore(ctx context.Context, req *aiplatformpb.DeleteFeaturestoreRequest, opts ...gax.CallOption) (*DeleteFeaturestoreOperation, error) {
	return c.internalClient.DeleteFeaturestore(ctx, req, opts...)
}

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

// CreateEntityType creates a new EntityType in a given Featurestore.
func (c *FeaturestoreClient) CreateEntityType(ctx context.Context, req *aiplatformpb.CreateEntityTypeRequest, opts ...gax.CallOption) (*CreateEntityTypeOperation, error) {
	return c.internalClient.CreateEntityType(ctx, req, opts...)
}

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

// GetEntityType gets details of a single EntityType.
func (c *FeaturestoreClient) GetEntityType(ctx context.Context, req *aiplatformpb.GetEntityTypeRequest, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	return c.internalClient.GetEntityType(ctx, req, opts...)
}

// ListEntityTypes lists EntityTypes in a given Featurestore.
func (c *FeaturestoreClient) ListEntityTypes(ctx context.Context, req *aiplatformpb.ListEntityTypesRequest, opts ...gax.CallOption) *EntityTypeIterator {
	return c.internalClient.ListEntityTypes(ctx, req, opts...)
}

// UpdateEntityType updates the parameters of a single EntityType.
func (c *FeaturestoreClient) UpdateEntityType(ctx context.Context, req *aiplatformpb.UpdateEntityTypeRequest, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	return c.internalClient.UpdateEntityType(ctx, req, opts...)
}

// DeleteEntityType deletes a single EntityType. The EntityType must not have any Features
// or force must be set to true for the request to succeed.
func (c *FeaturestoreClient) DeleteEntityType(ctx context.Context, req *aiplatformpb.DeleteEntityTypeRequest, opts ...gax.CallOption) (*DeleteEntityTypeOperation, error) {
	return c.internalClient.DeleteEntityType(ctx, req, opts...)
}

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

// CreateFeature creates a new Feature in a given EntityType.
func (c *FeaturestoreClient) CreateFeature(ctx context.Context, req *aiplatformpb.CreateFeatureRequest, opts ...gax.CallOption) (*CreateFeatureOperation, error) {
	return c.internalClient.CreateFeature(ctx, req, opts...)
}

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

// BatchCreateFeatures creates a batch of Features in a given EntityType.
func (c *FeaturestoreClient) BatchCreateFeatures(ctx context.Context, req *aiplatformpb.BatchCreateFeaturesRequest, opts ...gax.CallOption) (*BatchCreateFeaturesOperation, error) {
	return c.internalClient.BatchCreateFeatures(ctx, req, opts...)
}

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

// GetFeature gets details of a single Feature.
func (c *FeaturestoreClient) GetFeature(ctx context.Context, req *aiplatformpb.GetFeatureRequest, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	return c.internalClient.GetFeature(ctx, req, opts...)
}

// ListFeatures lists Features in a given EntityType.
func (c *FeaturestoreClient) ListFeatures(ctx context.Context, req *aiplatformpb.ListFeaturesRequest, opts ...gax.CallOption) *FeatureIterator {
	return c.internalClient.ListFeatures(ctx, req, opts...)
}

// UpdateFeature updates the parameters of a single Feature.
func (c *FeaturestoreClient) UpdateFeature(ctx context.Context, req *aiplatformpb.UpdateFeatureRequest, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	return c.internalClient.UpdateFeature(ctx, req, opts...)
}

// DeleteFeature deletes a single Feature.
func (c *FeaturestoreClient) DeleteFeature(ctx context.Context, req *aiplatformpb.DeleteFeatureRequest, opts ...gax.CallOption) (*DeleteFeatureOperation, error) {
	return c.internalClient.DeleteFeature(ctx, req, opts...)
}

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

// ImportFeatureValues imports Feature values into the Featurestore from a source storage.
//
// The progress of the import is tracked by the returned operation. The
// imported features are guaranteed to be visible to subsequent read
// operations after the operation is marked as successfully done.
//
// If an import operation fails, the Feature values returned from
// reads and exports may be inconsistent. If consistency is
// required, the caller must retry the same import request again and wait till
// the new operation returned is marked as successfully done.
//
// There are also scenarios where the caller can cause inconsistency.
//
//   Source data for import contains multiple distinct Feature values for
//   the same entity ID and timestamp.
//
//   Source is modified during an import. This includes adding, updating, or
//   removing source data and/or metadata. Examples of updating metadata
//   include but are not limited to changing storage location, storage class,
//   or retention policy.
//
//   Online serving cluster is under-provisioned.
func (c *FeaturestoreClient) ImportFeatureValues(ctx context.Context, req *aiplatformpb.ImportFeatureValuesRequest, opts ...gax.CallOption) (*ImportFeatureValuesOperation, error) {
	return c.internalClient.ImportFeatureValues(ctx, req, opts...)
}

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

// BatchReadFeatureValues batch reads Feature values from a Featurestore.
//
// This API enables batch reading Feature values, where each read
// instance in the batch may read Feature values of entities from one or
// more EntityTypes. Point-in-time correctness is guaranteed for Feature
// values of each read instance as of each instance’s read timestamp.
func (c *FeaturestoreClient) BatchReadFeatureValues(ctx context.Context, req *aiplatformpb.BatchReadFeatureValuesRequest, opts ...gax.CallOption) (*BatchReadFeatureValuesOperation, error) {
	return c.internalClient.BatchReadFeatureValues(ctx, req, opts...)
}

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

// ExportFeatureValues exports Feature values from all the entities of a target EntityType.
func (c *FeaturestoreClient) ExportFeatureValues(ctx context.Context, req *aiplatformpb.ExportFeatureValuesRequest, opts ...gax.CallOption) (*ExportFeatureValuesOperation, error) {
	return c.internalClient.ExportFeatureValues(ctx, req, opts...)
}

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

// SearchFeatures searches Features matching a query in a given project.
func (c *FeaturestoreClient) SearchFeatures(ctx context.Context, req *aiplatformpb.SearchFeaturesRequest, opts ...gax.CallOption) *FeatureIterator {
	return c.internalClient.SearchFeatures(ctx, req, opts...)
}

// featurestoreGRPCClient 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 featurestoreGRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
	disableDeadlines bool

	// Points back to the CallOptions field of the containing FeaturestoreClient
	CallOptions **FeaturestoreCallOptions

	// The gRPC API client.
	featurestoreClient aiplatformpb.FeaturestoreServiceClient

	// LROClient is used internally to handle long-running operations.
	// It is exposed so that its CallOptions can be modified if required.
	// Users should not Close this client.
	LROClient **lroauto.OperationsClient

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
}

// NewFeaturestoreClient creates a new featurestore 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 handles CRUD and List for resources for Featurestore.
func NewFeaturestoreClient(ctx context.Context, opts ...option.ClientOption) (*FeaturestoreClient, error) {
	clientOpts := defaultFeaturestoreGRPCClientOptions()
	if newFeaturestoreClientHook != nil {
		hookOpts, err := newFeaturestoreClientHook(ctx, clientHookParams{})
		if err != nil {
			return nil, err
		}
		clientOpts = append(clientOpts, hookOpts...)
	}

	disableDeadlines, err := checkDisableDeadlines()
	if err != nil {
		return nil, err
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
		return nil, err
	}
	client := FeaturestoreClient{CallOptions: defaultFeaturestoreCallOptions()}

	c := &featurestoreGRPCClient{
		connPool:           connPool,
		disableDeadlines:   disableDeadlines,
		featurestoreClient: aiplatformpb.NewFeaturestoreServiceClient(connPool),
		CallOptions:        &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	client.LROClient, err = lroauto.NewOperationsClient(ctx, gtransport.WithConnPool(connPool))
	if err != nil {
		// This error "should not happen", since we are just reusing old connection pool
		// and never actually need to dial.
		// If this does happen, we could leak connp. However, we cannot close conn:
		// If the user invoked the constructor with option.WithGRPCConn,
		// we would close a connection that's still in use.
		// TODO: investigate error conditions.
		return nil, err
	}
	c.LROClient = &client.LROClient
	return &client, nil
}

// Connection returns a connection to the API service.
//
// Deprecated.
func (c *featurestoreGRPCClient) 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 *featurestoreGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("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 *featurestoreGRPCClient) Close() error {
	return c.connPool.Close()
}

func (c *featurestoreGRPCClient) CreateFeaturestore(ctx context.Context, req *aiplatformpb.CreateFeaturestoreRequest, opts ...gax.CallOption) (*CreateFeaturestoreOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).CreateFeaturestore[0:len((*c.CallOptions).CreateFeaturestore):len((*c.CallOptions).CreateFeaturestore)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.CreateFeaturestore(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateFeaturestoreOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) GetFeaturestore(ctx context.Context, req *aiplatformpb.GetFeaturestoreRequest, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetFeaturestore[0:len((*c.CallOptions).GetFeaturestore):len((*c.CallOptions).GetFeaturestore)], opts...)
	var resp *aiplatformpb.Featurestore
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.GetFeaturestore(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *featurestoreGRPCClient) ListFeaturestores(ctx context.Context, req *aiplatformpb.ListFeaturestoresRequest, opts ...gax.CallOption) *FeaturestoreIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListFeaturestores[0:len((*c.CallOptions).ListFeaturestores):len((*c.CallOptions).ListFeaturestores)], opts...)
	it := &FeaturestoreIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListFeaturestoresRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Featurestore, string, error) {
		resp := &aiplatformpb.ListFeaturestoresResponse{}
		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.featurestoreClient.ListFeaturestores(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetFeaturestores(), 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 *featurestoreGRPCClient) UpdateFeaturestore(ctx context.Context, req *aiplatformpb.UpdateFeaturestoreRequest, opts ...gax.CallOption) (*UpdateFeaturestoreOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "featurestore.name", url.QueryEscape(req.GetFeaturestore().GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateFeaturestore[0:len((*c.CallOptions).UpdateFeaturestore):len((*c.CallOptions).UpdateFeaturestore)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.UpdateFeaturestore(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &UpdateFeaturestoreOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) DeleteFeaturestore(ctx context.Context, req *aiplatformpb.DeleteFeaturestoreRequest, opts ...gax.CallOption) (*DeleteFeaturestoreOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).DeleteFeaturestore[0:len((*c.CallOptions).DeleteFeaturestore):len((*c.CallOptions).DeleteFeaturestore)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.DeleteFeaturestore(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteFeaturestoreOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) CreateEntityType(ctx context.Context, req *aiplatformpb.CreateEntityTypeRequest, opts ...gax.CallOption) (*CreateEntityTypeOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).CreateEntityType[0:len((*c.CallOptions).CreateEntityType):len((*c.CallOptions).CreateEntityType)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.CreateEntityType(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateEntityTypeOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) GetEntityType(ctx context.Context, req *aiplatformpb.GetEntityTypeRequest, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetEntityType[0:len((*c.CallOptions).GetEntityType):len((*c.CallOptions).GetEntityType)], opts...)
	var resp *aiplatformpb.EntityType
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.GetEntityType(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *featurestoreGRPCClient) ListEntityTypes(ctx context.Context, req *aiplatformpb.ListEntityTypesRequest, opts ...gax.CallOption) *EntityTypeIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListEntityTypes[0:len((*c.CallOptions).ListEntityTypes):len((*c.CallOptions).ListEntityTypes)], opts...)
	it := &EntityTypeIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListEntityTypesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.EntityType, string, error) {
		resp := &aiplatformpb.ListEntityTypesResponse{}
		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.featurestoreClient.ListEntityTypes(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetEntityTypes(), 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 *featurestoreGRPCClient) UpdateEntityType(ctx context.Context, req *aiplatformpb.UpdateEntityTypeRequest, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "entity_type.name", url.QueryEscape(req.GetEntityType().GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateEntityType[0:len((*c.CallOptions).UpdateEntityType):len((*c.CallOptions).UpdateEntityType)], opts...)
	var resp *aiplatformpb.EntityType
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.UpdateEntityType(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *featurestoreGRPCClient) DeleteEntityType(ctx context.Context, req *aiplatformpb.DeleteEntityTypeRequest, opts ...gax.CallOption) (*DeleteEntityTypeOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).DeleteEntityType[0:len((*c.CallOptions).DeleteEntityType):len((*c.CallOptions).DeleteEntityType)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.DeleteEntityType(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteEntityTypeOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) CreateFeature(ctx context.Context, req *aiplatformpb.CreateFeatureRequest, opts ...gax.CallOption) (*CreateFeatureOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).CreateFeature[0:len((*c.CallOptions).CreateFeature):len((*c.CallOptions).CreateFeature)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.CreateFeature(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateFeatureOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) BatchCreateFeatures(ctx context.Context, req *aiplatformpb.BatchCreateFeaturesRequest, opts ...gax.CallOption) (*BatchCreateFeaturesOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).BatchCreateFeatures[0:len((*c.CallOptions).BatchCreateFeatures):len((*c.CallOptions).BatchCreateFeatures)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.BatchCreateFeatures(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &BatchCreateFeaturesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) GetFeature(ctx context.Context, req *aiplatformpb.GetFeatureRequest, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetFeature[0:len((*c.CallOptions).GetFeature):len((*c.CallOptions).GetFeature)], opts...)
	var resp *aiplatformpb.Feature
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.GetFeature(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *featurestoreGRPCClient) ListFeatures(ctx context.Context, req *aiplatformpb.ListFeaturesRequest, opts ...gax.CallOption) *FeatureIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListFeatures[0:len((*c.CallOptions).ListFeatures):len((*c.CallOptions).ListFeatures)], opts...)
	it := &FeatureIterator{}
	req = proto.Clone(req).(*aiplatformpb.ListFeaturesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Feature, string, error) {
		resp := &aiplatformpb.ListFeaturesResponse{}
		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.featurestoreClient.ListFeatures(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetFeatures(), 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 *featurestoreGRPCClient) UpdateFeature(ctx context.Context, req *aiplatformpb.UpdateFeatureRequest, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "feature.name", url.QueryEscape(req.GetFeature().GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateFeature[0:len((*c.CallOptions).UpdateFeature):len((*c.CallOptions).UpdateFeature)], opts...)
	var resp *aiplatformpb.Feature
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.UpdateFeature(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *featurestoreGRPCClient) DeleteFeature(ctx context.Context, req *aiplatformpb.DeleteFeatureRequest, opts ...gax.CallOption) (*DeleteFeatureOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).DeleteFeature[0:len((*c.CallOptions).DeleteFeature):len((*c.CallOptions).DeleteFeature)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.DeleteFeature(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DeleteFeatureOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) ImportFeatureValues(ctx context.Context, req *aiplatformpb.ImportFeatureValuesRequest, opts ...gax.CallOption) (*ImportFeatureValuesOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "entity_type", url.QueryEscape(req.GetEntityType())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ImportFeatureValues[0:len((*c.CallOptions).ImportFeatureValues):len((*c.CallOptions).ImportFeatureValues)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.ImportFeatureValues(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ImportFeatureValuesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) BatchReadFeatureValues(ctx context.Context, req *aiplatformpb.BatchReadFeatureValuesRequest, opts ...gax.CallOption) (*BatchReadFeatureValuesOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 5000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "featurestore", url.QueryEscape(req.GetFeaturestore())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).BatchReadFeatureValues[0:len((*c.CallOptions).BatchReadFeatureValues):len((*c.CallOptions).BatchReadFeatureValues)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.BatchReadFeatureValues(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &BatchReadFeatureValuesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) ExportFeatureValues(ctx context.Context, req *aiplatformpb.ExportFeatureValuesRequest, opts ...gax.CallOption) (*ExportFeatureValuesOperation, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "entity_type", url.QueryEscape(req.GetEntityType())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ExportFeatureValues[0:len((*c.CallOptions).ExportFeatureValues):len((*c.CallOptions).ExportFeatureValues)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.featurestoreClient.ExportFeatureValues(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ExportFeatureValuesOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *featurestoreGRPCClient) SearchFeatures(ctx context.Context, req *aiplatformpb.SearchFeaturesRequest, opts ...gax.CallOption) *FeatureIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "location", url.QueryEscape(req.GetLocation())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).SearchFeatures[0:len((*c.CallOptions).SearchFeatures):len((*c.CallOptions).SearchFeatures)], opts...)
	it := &FeatureIterator{}
	req = proto.Clone(req).(*aiplatformpb.SearchFeaturesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*aiplatformpb.Feature, string, error) {
		resp := &aiplatformpb.SearchFeaturesResponse{}
		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.featurestoreClient.SearchFeatures(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetFeatures(), 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
}

// BatchCreateFeaturesOperation manages a long-running operation from BatchCreateFeatures.
type BatchCreateFeaturesOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *BatchCreateFeaturesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.BatchCreateFeaturesResponse, error) {
	var resp aiplatformpb.BatchCreateFeaturesResponse
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *BatchCreateFeaturesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.BatchCreateFeaturesResponse, error) {
	var resp aiplatformpb.BatchCreateFeaturesResponse
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *BatchCreateFeaturesOperation) Metadata() (*aiplatformpb.BatchCreateFeaturesOperationMetadata, error) {
	var meta aiplatformpb.BatchCreateFeaturesOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *BatchCreateFeaturesOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *BatchCreateFeaturesOperation) Name() string {
	return op.lro.Name()
}

// BatchReadFeatureValuesOperation manages a long-running operation from BatchReadFeatureValues.
type BatchReadFeatureValuesOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *BatchReadFeatureValuesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.BatchReadFeatureValuesResponse, error) {
	var resp aiplatformpb.BatchReadFeatureValuesResponse
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *BatchReadFeatureValuesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.BatchReadFeatureValuesResponse, error) {
	var resp aiplatformpb.BatchReadFeatureValuesResponse
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *BatchReadFeatureValuesOperation) Metadata() (*aiplatformpb.BatchReadFeatureValuesOperationMetadata, error) {
	var meta aiplatformpb.BatchReadFeatureValuesOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *BatchReadFeatureValuesOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *BatchReadFeatureValuesOperation) Name() string {
	return op.lro.Name()
}

// CreateEntityTypeOperation manages a long-running operation from CreateEntityType.
type CreateEntityTypeOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateEntityTypeOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	var resp aiplatformpb.EntityType
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateEntityTypeOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.EntityType, error) {
	var resp aiplatformpb.EntityType
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateEntityTypeOperation) Metadata() (*aiplatformpb.CreateEntityTypeOperationMetadata, error) {
	var meta aiplatformpb.CreateEntityTypeOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateEntityTypeOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateEntityTypeOperation) Name() string {
	return op.lro.Name()
}

// CreateFeatureOperation manages a long-running operation from CreateFeature.
type CreateFeatureOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateFeatureOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	var resp aiplatformpb.Feature
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateFeatureOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Feature, error) {
	var resp aiplatformpb.Feature
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateFeatureOperation) Metadata() (*aiplatformpb.CreateFeatureOperationMetadata, error) {
	var meta aiplatformpb.CreateFeatureOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateFeatureOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateFeatureOperation) Name() string {
	return op.lro.Name()
}

// CreateFeaturestoreOperation manages a long-running operation from CreateFeaturestore.
type CreateFeaturestoreOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateFeaturestoreOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	var resp aiplatformpb.Featurestore
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateFeaturestoreOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	var resp aiplatformpb.Featurestore
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateFeaturestoreOperation) Metadata() (*aiplatformpb.CreateFeaturestoreOperationMetadata, error) {
	var meta aiplatformpb.CreateFeaturestoreOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateFeaturestoreOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateFeaturestoreOperation) Name() string {
	return op.lro.Name()
}

// DeleteEntityTypeOperation manages a long-running operation from DeleteEntityType.
type DeleteEntityTypeOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteEntityTypeOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteEntityTypeOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteEntityTypeOperation) Metadata() (*aiplatformpb.DeleteOperationMetadata, error) {
	var meta aiplatformpb.DeleteOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteEntityTypeOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteEntityTypeOperation) Name() string {
	return op.lro.Name()
}

// DeleteFeatureOperation manages a long-running operation from DeleteFeature.
type DeleteFeatureOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteFeatureOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteFeatureOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteFeatureOperation) Metadata() (*aiplatformpb.DeleteOperationMetadata, error) {
	var meta aiplatformpb.DeleteOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteFeatureOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteFeatureOperation) Name() string {
	return op.lro.Name()
}

// DeleteFeaturestoreOperation manages a long-running operation from DeleteFeaturestore.
type DeleteFeaturestoreOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteFeaturestoreOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteFeaturestoreOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteFeaturestoreOperation) Metadata() (*aiplatformpb.DeleteOperationMetadata, error) {
	var meta aiplatformpb.DeleteOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteFeaturestoreOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteFeaturestoreOperation) Name() string {
	return op.lro.Name()
}

// ExportFeatureValuesOperation manages a long-running operation from ExportFeatureValues.
type ExportFeatureValuesOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *ExportFeatureValuesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.ExportFeatureValuesResponse, error) {
	var resp aiplatformpb.ExportFeatureValuesResponse
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *ExportFeatureValuesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.ExportFeatureValuesResponse, error) {
	var resp aiplatformpb.ExportFeatureValuesResponse
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *ExportFeatureValuesOperation) Metadata() (*aiplatformpb.ExportFeatureValuesOperationMetadata, error) {
	var meta aiplatformpb.ExportFeatureValuesOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *ExportFeatureValuesOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *ExportFeatureValuesOperation) Name() string {
	return op.lro.Name()
}

// ImportFeatureValuesOperation manages a long-running operation from ImportFeatureValues.
type ImportFeatureValuesOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *ImportFeatureValuesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.ImportFeatureValuesResponse, error) {
	var resp aiplatformpb.ImportFeatureValuesResponse
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *ImportFeatureValuesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.ImportFeatureValuesResponse, error) {
	var resp aiplatformpb.ImportFeatureValuesResponse
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *ImportFeatureValuesOperation) Metadata() (*aiplatformpb.ImportFeatureValuesOperationMetadata, error) {
	var meta aiplatformpb.ImportFeatureValuesOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *ImportFeatureValuesOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *ImportFeatureValuesOperation) Name() string {
	return op.lro.Name()
}

// UpdateFeaturestoreOperation manages a long-running operation from UpdateFeaturestore.
type UpdateFeaturestoreOperation struct {
	lro *longrunning.Operation
}

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

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateFeaturestoreOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	var resp aiplatformpb.Featurestore
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateFeaturestoreOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*aiplatformpb.Featurestore, error) {
	var resp aiplatformpb.Featurestore
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateFeaturestoreOperation) Metadata() (*aiplatformpb.UpdateFeaturestoreOperationMetadata, error) {
	var meta aiplatformpb.UpdateFeaturestoreOperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateFeaturestoreOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateFeaturestoreOperation) Name() string {
	return op.lro.Name()
}

// EntityTypeIterator manages a stream of *aiplatformpb.EntityType.
type EntityTypeIterator struct {
	items    []*aiplatformpb.EntityType
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*aiplatformpb.EntityType, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *EntityTypeIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *EntityTypeIterator) Next() (*aiplatformpb.EntityType, error) {
	var item *aiplatformpb.EntityType
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

func (it *EntityTypeIterator) bufLen() int {
	return len(it.items)
}

func (it *EntityTypeIterator) takeBuf() interface{} {
	b := it.items
	it.items = nil
	return b
}

// FeatureIterator manages a stream of *aiplatformpb.Feature.
type FeatureIterator struct {
	items    []*aiplatformpb.Feature
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*aiplatformpb.Feature, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *FeatureIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *FeatureIterator) Next() (*aiplatformpb.Feature, error) {
	var item *aiplatformpb.Feature
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

func (it *FeatureIterator) bufLen() int {
	return len(it.items)
}

func (it *FeatureIterator) takeBuf() interface{} {
	b := it.items
	it.items = nil
	return b
}

// FeaturestoreIterator manages a stream of *aiplatformpb.Featurestore.
type FeaturestoreIterator struct {
	items    []*aiplatformpb.Featurestore
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*aiplatformpb.Featurestore, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *FeaturestoreIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *FeaturestoreIterator) Next() (*aiplatformpb.Featurestore, error) {
	var item *aiplatformpb.Featurestore
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

func (it *FeaturestoreIterator) bufLen() int {
	return len(it.items)
}

func (it *FeaturestoreIterator) takeBuf() interface{} {
	b := it.items
	it.items = nil
	return b
}