monitoring/metricsscope/apiv1/metrics_scopes_client.go - gocloud - Git at Google

 // Copyright 2021 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 metricsscope

 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/option"
 	"google.golang.org/api/option/internaloption"
 	gtransport "google.golang.org/api/transport/grpc"
 	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
 	metricsscopepb "google.golang.org/genproto/googleapis/monitoring/metricsscope/v1"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 )

 var newMetricsScopesClientHook clientHook

 // MetricsScopesCallOptions contains the retry settings for each method of MetricsScopesClient.
 type MetricsScopesCallOptions struct {
 	GetMetricsScope                     []gax.CallOption
 	ListMetricsScopesByMonitoredProject []gax.CallOption
 	CreateMonitoredProject              []gax.CallOption
 	DeleteMonitoredProject              []gax.CallOption
 }

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

 func defaultMetricsScopesCallOptions() *MetricsScopesCallOptions {
 	return &MetricsScopesCallOptions{
 		GetMetricsScope:                     []gax.CallOption{},
 		ListMetricsScopesByMonitoredProject: []gax.CallOption{},
 		CreateMonitoredProject:              []gax.CallOption{},
 		DeleteMonitoredProject:              []gax.CallOption{},
 	}
 }

 // internalMetricsScopesClient is an interface that defines the methods availaible from Cloud Monitoring API.
 type internalMetricsScopesClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	GetMetricsScope(context.Context, *metricsscopepb.GetMetricsScopeRequest, ...gax.CallOption) (*metricsscopepb.MetricsScope, error)
 	ListMetricsScopesByMonitoredProject(context.Context, *metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, ...gax.CallOption) (*metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error)
 	CreateMonitoredProject(context.Context, *metricsscopepb.CreateMonitoredProjectRequest, ...gax.CallOption) (*CreateMonitoredProjectOperation, error)
 	CreateMonitoredProjectOperation(name string) *CreateMonitoredProjectOperation
 	DeleteMonitoredProject(context.Context, *metricsscopepb.DeleteMonitoredProjectRequest, ...gax.CallOption) (*DeleteMonitoredProjectOperation, error)
 	DeleteMonitoredProjectOperation(name string) *DeleteMonitoredProjectOperation
 }

 // MetricsScopesClient is a client for interacting with Cloud Monitoring API.
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 //
 // Manages Cloud Monitoring Metrics Scopes, and the monitoring of Google Cloud
 // projects and AWS accounts.
 type MetricsScopesClient struct {
 	// The internal transport-dependent client.
 	internalClient internalMetricsScopesClient

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

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

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

 // GetMetricsScope returns a specific Metrics Scope.
 func (c *MetricsScopesClient) GetMetricsScope(ctx context.Context, req *metricsscopepb.GetMetricsScopeRequest, opts ...gax.CallOption) (*metricsscopepb.MetricsScope, error) {
 	return c.internalClient.GetMetricsScope(ctx, req, opts...)
 }

 // ListMetricsScopesByMonitoredProject returns a list of every Metrics Scope that a specific MonitoredProject
 // has been added to. The metrics scope representing the specified monitored
 // project will always be the first entry in the response.
 func (c *MetricsScopesClient) ListMetricsScopesByMonitoredProject(ctx context.Context, req *metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, opts ...gax.CallOption) (*metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error) {
 	return c.internalClient.ListMetricsScopesByMonitoredProject(ctx, req, opts...)
 }

 // CreateMonitoredProject adds a MonitoredProject with the given project ID
 // to the specified Metrics Scope.
 func (c *MetricsScopesClient) CreateMonitoredProject(ctx context.Context, req *metricsscopepb.CreateMonitoredProjectRequest, opts ...gax.CallOption) (*CreateMonitoredProjectOperation, error) {
 	return c.internalClient.CreateMonitoredProject(ctx, req, opts...)
 }

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

 // DeleteMonitoredProject deletes a MonitoredProject from the specified Metrics Scope.
 func (c *MetricsScopesClient) DeleteMonitoredProject(ctx context.Context, req *metricsscopepb.DeleteMonitoredProjectRequest, opts ...gax.CallOption) (*DeleteMonitoredProjectOperation, error) {
 	return c.internalClient.DeleteMonitoredProject(ctx, req, opts...)
 }

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

 // metricsScopesGRPCClient is a client for interacting with Cloud Monitoring API over gRPC transport.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type metricsScopesGRPCClient 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 MetricsScopesClient
 	CallOptions **MetricsScopesCallOptions

 	// The gRPC API client.
 	metricsScopesClient metricsscopepb.MetricsScopesClient

 	// 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
 }

 // NewMetricsScopesClient creates a new metrics scopes client based on gRPC.
 // The returned client must be Closed when it is done being used to clean up its underlying connections.
 //
 // Manages Cloud Monitoring Metrics Scopes, and the monitoring of Google Cloud
 // projects and AWS accounts.
 func NewMetricsScopesClient(ctx context.Context, opts ...option.ClientOption) (*MetricsScopesClient, error) {
 	clientOpts := defaultMetricsScopesGRPCClientOptions()
 	if newMetricsScopesClientHook != nil {
 		hookOpts, err := newMetricsScopesClientHook(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 := MetricsScopesClient{CallOptions: defaultMetricsScopesCallOptions()}

 	c := &metricsScopesGRPCClient{
 		connPool:            connPool,
 		disableDeadlines:    disableDeadlines,
 		metricsScopesClient: metricsscopepb.NewMetricsScopesClient(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 *metricsScopesGRPCClient) 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 *metricsScopesGRPCClient) setGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", versionGo()}, keyval...)
 	kv = append(kv, "gapic", versionClient, "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 *metricsScopesGRPCClient) Close() error {
 	return c.connPool.Close()
 }

 func (c *metricsScopesGRPCClient) GetMetricsScope(ctx context.Context, req *metricsscopepb.GetMetricsScopeRequest, opts ...gax.CallOption) (*metricsscopepb.MetricsScope, error) {
 	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).GetMetricsScope[0:len((*c.CallOptions).GetMetricsScope):len((*c.CallOptions).GetMetricsScope)], opts...)
 	var resp *metricsscopepb.MetricsScope
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.metricsScopesClient.GetMetricsScope(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 func (c *metricsScopesGRPCClient) ListMetricsScopesByMonitoredProject(ctx context.Context, req *metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, opts ...gax.CallOption) (*metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error) {
 	ctx = insertMetadata(ctx, c.xGoogMetadata)
 	opts = append((*c.CallOptions).ListMetricsScopesByMonitoredProject[0:len((*c.CallOptions).ListMetricsScopesByMonitoredProject):len((*c.CallOptions).ListMetricsScopesByMonitoredProject)], opts...)
 	var resp *metricsscopepb.ListMetricsScopesByMonitoredProjectResponse
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.metricsScopesClient.ListMetricsScopesByMonitoredProject(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 func (c *metricsScopesGRPCClient) CreateMonitoredProject(ctx context.Context, req *metricsscopepb.CreateMonitoredProjectRequest, opts ...gax.CallOption) (*CreateMonitoredProjectOperation, error) {
 	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).CreateMonitoredProject[0:len((*c.CallOptions).CreateMonitoredProject):len((*c.CallOptions).CreateMonitoredProject)], opts...)
 	var resp *longrunningpb.Operation
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.metricsScopesClient.CreateMonitoredProject(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return &CreateMonitoredProjectOperation{
 		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
 	}, nil
 }

 func (c *metricsScopesGRPCClient) DeleteMonitoredProject(ctx context.Context, req *metricsscopepb.DeleteMonitoredProjectRequest, opts ...gax.CallOption) (*DeleteMonitoredProjectOperation, error) {
 	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).DeleteMonitoredProject[0:len((*c.CallOptions).DeleteMonitoredProject):len((*c.CallOptions).DeleteMonitoredProject)], opts...)
 	var resp *longrunningpb.Operation
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.metricsScopesClient.DeleteMonitoredProject(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return &DeleteMonitoredProjectOperation{
 		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
 	}, nil
 }

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

 // CreateMonitoredProjectOperation returns a new CreateMonitoredProjectOperation from a given name.
 // The name must be that of a previously created CreateMonitoredProjectOperation, possibly from a different process.
 func (c *metricsScopesGRPCClient) CreateMonitoredProjectOperation(name string) *CreateMonitoredProjectOperation {
 	return &CreateMonitoredProjectOperation{
 		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 *CreateMonitoredProjectOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*metricsscopepb.MonitoredProject, error) {
 	var resp metricsscopepb.MonitoredProject
 	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 *CreateMonitoredProjectOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*metricsscopepb.MonitoredProject, error) {
 	var resp metricsscopepb.MonitoredProject
 	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 *CreateMonitoredProjectOperation) Metadata() (*metricsscopepb.OperationMetadata, error) {
 	var meta metricsscopepb.OperationMetadata
 	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 *CreateMonitoredProjectOperation) 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 *CreateMonitoredProjectOperation) Name() string {
 	return op.lro.Name()
 }

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

 // DeleteMonitoredProjectOperation returns a new DeleteMonitoredProjectOperation from a given name.
 // The name must be that of a previously created DeleteMonitoredProjectOperation, possibly from a different process.
 func (c *metricsScopesGRPCClient) DeleteMonitoredProjectOperation(name string) *DeleteMonitoredProjectOperation {
 	return &DeleteMonitoredProjectOperation{
 		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 *DeleteMonitoredProjectOperation) 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 *DeleteMonitoredProjectOperation) 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 *DeleteMonitoredProjectOperation) Metadata() (*metricsscopepb.OperationMetadata, error) {
 	var meta metricsscopepb.OperationMetadata
 	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 *DeleteMonitoredProjectOperation) 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 *DeleteMonitoredProjectOperation) Name() string {
 	return op.lro.Name()
 }
	// Copyright 2021 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 metricsscope

	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/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
	metricsscopepb "google.golang.org/genproto/googleapis/monitoring/metricsscope/v1"
	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
	)

	var newMetricsScopesClientHook clientHook

	// MetricsScopesCallOptions contains the retry settings for each method of MetricsScopesClient.
	type MetricsScopesCallOptions struct {
	GetMetricsScope []gax.CallOption
	ListMetricsScopesByMonitoredProject []gax.CallOption
	CreateMonitoredProject []gax.CallOption
	DeleteMonitoredProject []gax.CallOption
	}

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

	func defaultMetricsScopesCallOptions() *MetricsScopesCallOptions {
	return &MetricsScopesCallOptions{
	GetMetricsScope: []gax.CallOption{},
	ListMetricsScopesByMonitoredProject: []gax.CallOption{},
	CreateMonitoredProject: []gax.CallOption{},
	DeleteMonitoredProject: []gax.CallOption{},
	}
	}

	// internalMetricsScopesClient is an interface that defines the methods availaible from Cloud Monitoring API.
	type internalMetricsScopesClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	GetMetricsScope(context.Context, metricsscopepb.GetMetricsScopeRequest, ...gax.CallOption) (metricsscopepb.MetricsScope, error)
	ListMetricsScopesByMonitoredProject(context.Context, metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, ...gax.CallOption) (metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error)
	CreateMonitoredProject(context.Context, metricsscopepb.CreateMonitoredProjectRequest, ...gax.CallOption) (CreateMonitoredProjectOperation, error)
	CreateMonitoredProjectOperation(name string) *CreateMonitoredProjectOperation
	DeleteMonitoredProject(context.Context, metricsscopepb.DeleteMonitoredProjectRequest, ...gax.CallOption) (DeleteMonitoredProjectOperation, error)
	DeleteMonitoredProjectOperation(name string) *DeleteMonitoredProjectOperation
	}

	// MetricsScopesClient is a client for interacting with Cloud Monitoring API.
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	//
	// Manages Cloud Monitoring Metrics Scopes, and the monitoring of Google Cloud
	// projects and AWS accounts.
	type MetricsScopesClient struct {
	// The internal transport-dependent client.
	internalClient internalMetricsScopesClient

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

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

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

	// GetMetricsScope returns a specific Metrics Scope.
	func (c MetricsScopesClient) GetMetricsScope(ctx context.Context, req metricsscopepb.GetMetricsScopeRequest, opts ...gax.CallOption) (*metricsscopepb.MetricsScope, error) {
	return c.internalClient.GetMetricsScope(ctx, req, opts...)
	}

	// ListMetricsScopesByMonitoredProject returns a list of every Metrics Scope that a specific MonitoredProject
	// has been added to. The metrics scope representing the specified monitored
	// project will always be the first entry in the response.
	func (c MetricsScopesClient) ListMetricsScopesByMonitoredProject(ctx context.Context, req metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, opts ...gax.CallOption) (*metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error) {
	return c.internalClient.ListMetricsScopesByMonitoredProject(ctx, req, opts...)
	}

	// CreateMonitoredProject adds a MonitoredProject with the given project ID
	// to the specified Metrics Scope.
	func (c MetricsScopesClient) CreateMonitoredProject(ctx context.Context, req metricsscopepb.CreateMonitoredProjectRequest, opts ...gax.CallOption) (*CreateMonitoredProjectOperation, error) {
	return c.internalClient.CreateMonitoredProject(ctx, req, opts...)
	}

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

	// DeleteMonitoredProject deletes a MonitoredProject from the specified Metrics Scope.
	func (c MetricsScopesClient) DeleteMonitoredProject(ctx context.Context, req metricsscopepb.DeleteMonitoredProjectRequest, opts ...gax.CallOption) (*DeleteMonitoredProjectOperation, error) {
	return c.internalClient.DeleteMonitoredProject(ctx, req, opts...)
	}

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

	// metricsScopesGRPCClient is a client for interacting with Cloud Monitoring API over gRPC transport.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type metricsScopesGRPCClient 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 MetricsScopesClient
	CallOptions **MetricsScopesCallOptions

	// The gRPC API client.
	metricsScopesClient metricsscopepb.MetricsScopesClient

	// 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
	}

	// NewMetricsScopesClient creates a new metrics scopes client based on gRPC.
	// The returned client must be Closed when it is done being used to clean up its underlying connections.
	//
	// Manages Cloud Monitoring Metrics Scopes, and the monitoring of Google Cloud
	// projects and AWS accounts.
	func NewMetricsScopesClient(ctx context.Context, opts ...option.ClientOption) (*MetricsScopesClient, error) {
	clientOpts := defaultMetricsScopesGRPCClientOptions()
	if newMetricsScopesClientHook != nil {
	hookOpts, err := newMetricsScopesClientHook(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 := MetricsScopesClient{CallOptions: defaultMetricsScopesCallOptions()}

	c := &metricsScopesGRPCClient{
	connPool: connPool,
	disableDeadlines: disableDeadlines,
	metricsScopesClient: metricsscopepb.NewMetricsScopesClient(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 metricsScopesGRPCClient) 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 *metricsScopesGRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", versionClient, "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 *metricsScopesGRPCClient) Close() error {
	return c.connPool.Close()
	}

	func (c metricsScopesGRPCClient) GetMetricsScope(ctx context.Context, req metricsscopepb.GetMetricsScopeRequest, opts ...gax.CallOption) (*metricsscopepb.MetricsScope, error) {
	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).GetMetricsScope[0:len((c.CallOptions).GetMetricsScope):len((*c.CallOptions).GetMetricsScope)], opts...)
	var resp *metricsscopepb.MetricsScope
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.metricsScopesClient.GetMetricsScope(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	func (c metricsScopesGRPCClient) ListMetricsScopesByMonitoredProject(ctx context.Context, req metricsscopepb.ListMetricsScopesByMonitoredProjectRequest, opts ...gax.CallOption) (*metricsscopepb.ListMetricsScopesByMonitoredProjectResponse, error) {
	ctx = insertMetadata(ctx, c.xGoogMetadata)
	opts = append((c.CallOptions).ListMetricsScopesByMonitoredProject[0:len((c.CallOptions).ListMetricsScopesByMonitoredProject):len((*c.CallOptions).ListMetricsScopesByMonitoredProject)], opts...)
	var resp *metricsscopepb.ListMetricsScopesByMonitoredProjectResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.metricsScopesClient.ListMetricsScopesByMonitoredProject(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	func (c metricsScopesGRPCClient) CreateMonitoredProject(ctx context.Context, req metricsscopepb.CreateMonitoredProjectRequest, opts ...gax.CallOption) (*CreateMonitoredProjectOperation, error) {
	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).CreateMonitoredProject[0:len((c.CallOptions).CreateMonitoredProject):len((*c.CallOptions).CreateMonitoredProject)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.metricsScopesClient.CreateMonitoredProject(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return &CreateMonitoredProjectOperation{
	lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
	}

	func (c metricsScopesGRPCClient) DeleteMonitoredProject(ctx context.Context, req metricsscopepb.DeleteMonitoredProjectRequest, opts ...gax.CallOption) (*DeleteMonitoredProjectOperation, error) {
	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).DeleteMonitoredProject[0:len((c.CallOptions).DeleteMonitoredProject):len((*c.CallOptions).DeleteMonitoredProject)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.metricsScopesClient.DeleteMonitoredProject(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return &DeleteMonitoredProjectOperation{
	lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
	}

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

	// CreateMonitoredProjectOperation returns a new CreateMonitoredProjectOperation from a given name.
	// The name must be that of a previously created CreateMonitoredProjectOperation, possibly from a different process.
	func (c metricsScopesGRPCClient) CreateMonitoredProjectOperation(name string) CreateMonitoredProjectOperation {
	return &CreateMonitoredProjectOperation{
	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 CreateMonitoredProjectOperation) Wait(ctx context.Context, opts ...gax.CallOption) (metricsscopepb.MonitoredProject, error) {
	var resp metricsscopepb.MonitoredProject
	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 CreateMonitoredProjectOperation) Poll(ctx context.Context, opts ...gax.CallOption) (metricsscopepb.MonitoredProject, error) {
	var resp metricsscopepb.MonitoredProject
	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 CreateMonitoredProjectOperation) Metadata() (metricsscopepb.OperationMetadata, error) {
	var meta metricsscopepb.OperationMetadata
	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 *CreateMonitoredProjectOperation) 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 *CreateMonitoredProjectOperation) Name() string {
	return op.lro.Name()
	}

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

	// DeleteMonitoredProjectOperation returns a new DeleteMonitoredProjectOperation from a given name.
	// The name must be that of a previously created DeleteMonitoredProjectOperation, possibly from a different process.
	func (c metricsScopesGRPCClient) DeleteMonitoredProjectOperation(name string) DeleteMonitoredProjectOperation {
	return &DeleteMonitoredProjectOperation{
	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 *DeleteMonitoredProjectOperation) 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 *DeleteMonitoredProjectOperation) 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 DeleteMonitoredProjectOperation) Metadata() (metricsscopepb.OperationMetadata, error) {
	var meta metricsscopepb.OperationMetadata
	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 *DeleteMonitoredProjectOperation) 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 *DeleteMonitoredProjectOperation) Name() string {
	return op.lro.Name()
	}