run/apiv2/revisions_client.go - third_party/github.com/googleapis/google-cloud-go - Git at Google

 // 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 run

 import (
 	"context"
 	"fmt"
 	"math"
 	"net/url"
 	"regexp"
 	"strings"
 	"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"
 	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
 	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/protobuf/proto"
 )

 var newRevisionsClientHook clientHook

 // RevisionsCallOptions contains the retry settings for each method of RevisionsClient.
 type RevisionsCallOptions struct {
 	GetRevision    []gax.CallOption
 	ListRevisions  []gax.CallOption
 	DeleteRevision []gax.CallOption
 }

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

 func defaultRevisionsCallOptions() *RevisionsCallOptions {
 	return &RevisionsCallOptions{
 		GetRevision:    []gax.CallOption{},
 		ListRevisions:  []gax.CallOption{},
 		DeleteRevision: []gax.CallOption{},
 	}
 }

 // internalRevisionsClient is an interface that defines the methods availaible from Cloud Run Admin API.
 type internalRevisionsClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	GetRevision(context.Context, *runpb.GetRevisionRequest, ...gax.CallOption) (*runpb.Revision, error)
 	ListRevisions(context.Context, *runpb.ListRevisionsRequest, ...gax.CallOption) *RevisionIterator
 	DeleteRevision(context.Context, *runpb.DeleteRevisionRequest, ...gax.CallOption) (*DeleteRevisionOperation, error)
 	DeleteRevisionOperation(name string) *DeleteRevisionOperation
 }

 // RevisionsClient is a client for interacting with Cloud Run Admin API.
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 //
 // Cloud Run Revision Control Plane API.
 type RevisionsClient struct {
 	// The internal transport-dependent client.
 	internalClient internalRevisionsClient

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

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

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

 // GetRevision gets information about a Revision.
 func (c *RevisionsClient) GetRevision(ctx context.Context, req *runpb.GetRevisionRequest, opts ...gax.CallOption) (*runpb.Revision, error) {
 	return c.internalClient.GetRevision(ctx, req, opts...)
 }

 // ListRevisions list Revisions from a given Service, or from a given location.
 func (c *RevisionsClient) ListRevisions(ctx context.Context, req *runpb.ListRevisionsRequest, opts ...gax.CallOption) *RevisionIterator {
 	return c.internalClient.ListRevisions(ctx, req, opts...)
 }

 // DeleteRevision delete a Revision.
 func (c *RevisionsClient) DeleteRevision(ctx context.Context, req *runpb.DeleteRevisionRequest, opts ...gax.CallOption) (*DeleteRevisionOperation, error) {
 	return c.internalClient.DeleteRevision(ctx, req, opts...)
 }

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

 // revisionsGRPCClient is a client for interacting with Cloud Run Admin API over gRPC transport.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type revisionsGRPCClient 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 RevisionsClient
 	CallOptions **RevisionsCallOptions

 	// The gRPC API client.
 	revisionsClient runpb.RevisionsClient

 	// 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
 }

 // NewRevisionsClient creates a new revisions client based on gRPC.
 // The returned client must be Closed when it is done being used to clean up its underlying connections.
 //
 // Cloud Run Revision Control Plane API.
 func NewRevisionsClient(ctx context.Context, opts ...option.ClientOption) (*RevisionsClient, error) {
 	clientOpts := defaultRevisionsGRPCClientOptions()
 	if newRevisionsClientHook != nil {
 		hookOpts, err := newRevisionsClientHook(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 := RevisionsClient{CallOptions: defaultRevisionsCallOptions()}

 	c := &revisionsGRPCClient{
 		connPool:         connPool,
 		disableDeadlines: disableDeadlines,
 		revisionsClient:  runpb.NewRevisionsClient(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 *revisionsGRPCClient) 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 *revisionsGRPCClient) 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 *revisionsGRPCClient) Close() error {
 	return c.connPool.Close()
 }

 func (c *revisionsGRPCClient) GetRevision(ctx context.Context, req *runpb.GetRevisionRequest, opts ...gax.CallOption) (*runpb.Revision, error) {
 	routingHeaders := ""
 	routingHeadersMap := make(map[string]string)
 	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetName()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])) > 0 {
 		routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])
 	}
 	for headerName, headerValue := range routingHeadersMap {
 		routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
 	}
 	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
 	md := metadata.Pairs("x-goog-request-params", routingHeaders)

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

 func (c *revisionsGRPCClient) ListRevisions(ctx context.Context, req *runpb.ListRevisionsRequest, opts ...gax.CallOption) *RevisionIterator {
 	routingHeaders := ""
 	routingHeadersMap := make(map[string]string)
 	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetParent()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetParent())[1])) > 0 {
 		routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetParent())[1])
 	}
 	for headerName, headerValue := range routingHeadersMap {
 		routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
 	}
 	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
 	md := metadata.Pairs("x-goog-request-params", routingHeaders)

 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append((*c.CallOptions).ListRevisions[0:len((*c.CallOptions).ListRevisions):len((*c.CallOptions).ListRevisions)], opts...)
 	it := &RevisionIterator{}
 	req = proto.Clone(req).(*runpb.ListRevisionsRequest)
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*runpb.Revision, string, error) {
 		resp := &runpb.ListRevisionsResponse{}
 		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.revisionsClient.ListRevisions(ctx, req, settings.GRPC...)
 			return err
 		}, opts...)
 		if err != nil {
 			return nil, "", err
 		}

 		it.Response = resp
 		return resp.GetRevisions(), 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 *revisionsGRPCClient) DeleteRevision(ctx context.Context, req *runpb.DeleteRevisionRequest, opts ...gax.CallOption) (*DeleteRevisionOperation, error) {
 	routingHeaders := ""
 	routingHeadersMap := make(map[string]string)
 	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetName()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])) > 0 {
 		routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])
 	}
 	for headerName, headerValue := range routingHeadersMap {
 		routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
 	}
 	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
 	md := metadata.Pairs("x-goog-request-params", routingHeaders)

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

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

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

 // RevisionIterator manages a stream of *runpb.Revision.
 type RevisionIterator struct {
 	items    []*runpb.Revision
 	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 []*runpb.Revision, nextPageToken string, err error)
 }

 // PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
 func (it *RevisionIterator) 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 *RevisionIterator) Next() (*runpb.Revision, error) {
 	var item *runpb.Revision
 	if err := it.nextFunc(); err != nil {
 		return item, err
 	}
 	item = it.items[0]
 	it.items = it.items[1:]
 	return item, nil
 }

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

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

	import (
	"context"
	"fmt"
	"math"
	"net/url"
	"regexp"
	"strings"
	"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"
	runpb "google.golang.org/genproto/googleapis/cloud/run/v2"
	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
	"google.golang.org/grpc"
	"google.golang.org/grpc/metadata"
	"google.golang.org/protobuf/proto"
	)

	var newRevisionsClientHook clientHook

	// RevisionsCallOptions contains the retry settings for each method of RevisionsClient.
	type RevisionsCallOptions struct {
	GetRevision []gax.CallOption
	ListRevisions []gax.CallOption
	DeleteRevision []gax.CallOption
	}

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

	func defaultRevisionsCallOptions() *RevisionsCallOptions {
	return &RevisionsCallOptions{
	GetRevision: []gax.CallOption{},
	ListRevisions: []gax.CallOption{},
	DeleteRevision: []gax.CallOption{},
	}
	}

	// internalRevisionsClient is an interface that defines the methods availaible from Cloud Run Admin API.
	type internalRevisionsClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	GetRevision(context.Context, runpb.GetRevisionRequest, ...gax.CallOption) (runpb.Revision, error)
	ListRevisions(context.Context, runpb.ListRevisionsRequest, ...gax.CallOption) RevisionIterator
	DeleteRevision(context.Context, runpb.DeleteRevisionRequest, ...gax.CallOption) (DeleteRevisionOperation, error)
	DeleteRevisionOperation(name string) *DeleteRevisionOperation
	}

	// RevisionsClient is a client for interacting with Cloud Run Admin API.
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	//
	// Cloud Run Revision Control Plane API.
	type RevisionsClient struct {
	// The internal transport-dependent client.
	internalClient internalRevisionsClient

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

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

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

	// GetRevision gets information about a Revision.
	func (c RevisionsClient) GetRevision(ctx context.Context, req runpb.GetRevisionRequest, opts ...gax.CallOption) (*runpb.Revision, error) {
	return c.internalClient.GetRevision(ctx, req, opts...)
	}

	// ListRevisions list Revisions from a given Service, or from a given location.
	func (c RevisionsClient) ListRevisions(ctx context.Context, req runpb.ListRevisionsRequest, opts ...gax.CallOption) *RevisionIterator {
	return c.internalClient.ListRevisions(ctx, req, opts...)
	}

	// DeleteRevision delete a Revision.
	func (c RevisionsClient) DeleteRevision(ctx context.Context, req runpb.DeleteRevisionRequest, opts ...gax.CallOption) (*DeleteRevisionOperation, error) {
	return c.internalClient.DeleteRevision(ctx, req, opts...)
	}

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

	// revisionsGRPCClient is a client for interacting with Cloud Run Admin API over gRPC transport.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type revisionsGRPCClient 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 RevisionsClient
	CallOptions **RevisionsCallOptions

	// The gRPC API client.
	revisionsClient runpb.RevisionsClient

	// 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
	}

	// NewRevisionsClient creates a new revisions client based on gRPC.
	// The returned client must be Closed when it is done being used to clean up its underlying connections.
	//
	// Cloud Run Revision Control Plane API.
	func NewRevisionsClient(ctx context.Context, opts ...option.ClientOption) (*RevisionsClient, error) {
	clientOpts := defaultRevisionsGRPCClientOptions()
	if newRevisionsClientHook != nil {
	hookOpts, err := newRevisionsClientHook(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 := RevisionsClient{CallOptions: defaultRevisionsCallOptions()}

	c := &revisionsGRPCClient{
	connPool: connPool,
	disableDeadlines: disableDeadlines,
	revisionsClient: runpb.NewRevisionsClient(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 revisionsGRPCClient) 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 *revisionsGRPCClient) 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 *revisionsGRPCClient) Close() error {
	return c.connPool.Close()
	}

	func (c revisionsGRPCClient) GetRevision(ctx context.Context, req runpb.GetRevisionRequest, opts ...gax.CallOption) (*runpb.Revision, error) {
	routingHeaders := ""
	routingHeadersMap := make(map[string]string)
	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetName()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])) > 0 {
	routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])
	}
	for headerName, headerValue := range routingHeadersMap {
	routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
	}
	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
	md := metadata.Pairs("x-goog-request-params", routingHeaders)

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

	func (c revisionsGRPCClient) ListRevisions(ctx context.Context, req runpb.ListRevisionsRequest, opts ...gax.CallOption) *RevisionIterator {
	routingHeaders := ""
	routingHeadersMap := make(map[string]string)
	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetParent()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetParent())[1])) > 0 {
	routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetParent())[1])
	}
	for headerName, headerValue := range routingHeadersMap {
	routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
	}
	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
	md := metadata.Pairs("x-goog-request-params", routingHeaders)

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((c.CallOptions).ListRevisions[0:len((c.CallOptions).ListRevisions):len((*c.CallOptions).ListRevisions)], opts...)
	it := &RevisionIterator{}
	req = proto.Clone(req).(*runpb.ListRevisionsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*runpb.Revision, string, error) {
	resp := &runpb.ListRevisionsResponse{}
	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.revisionsClient.ListRevisions(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, "", err
	}

	it.Response = resp
	return resp.GetRevisions(), 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 revisionsGRPCClient) DeleteRevision(ctx context.Context, req runpb.DeleteRevisionRequest, opts ...gax.CallOption) (*DeleteRevisionOperation, error) {
	routingHeaders := ""
	routingHeadersMap := make(map[string]string)
	if reg := regexp.MustCompile("projects/[^/]+/locations/(?P<location>[^/]+)(?:/.*)?"); reg.MatchString(req.GetName()) && len(url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])) > 0 {
	routingHeadersMap["location"] = url.QueryEscape(reg.FindStringSubmatch(req.GetName())[1])
	}
	for headerName, headerValue := range routingHeadersMap {
	routingHeaders = fmt.Sprintf("%s%s=%s&", routingHeaders, headerName, headerValue)
	}
	routingHeaders = strings.TrimSuffix(routingHeaders, "&")
	md := metadata.Pairs("x-goog-request-params", routingHeaders)

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

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

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

	// RevisionIterator manages a stream of *runpb.Revision.
	type RevisionIterator struct {
	items []*runpb.Revision
	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 []*runpb.Revision, nextPageToken string, err error)
	}

	// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
	func (it RevisionIterator) 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 RevisionIterator) Next() (runpb.Revision, error) {
	var item *runpb.Revision
	if err := it.nextFunc(); err != nil {
	return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
	}

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

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