compute/apiv1/region_instance_templates_client.go - third_party/github.com/googleapis/google-cloud-go - Git at Google

 // Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 // Code generated by protoc-gen-go_gapic. DO NOT EDIT.

 package compute

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

 	computepb "cloud.google.com/go/compute/apiv1/computepb"
 	gax "github.com/googleapis/gax-go/v2"
 	"google.golang.org/api/googleapi"
 	"google.golang.org/api/iterator"
 	"google.golang.org/api/option"
 	"google.golang.org/api/option/internaloption"
 	httptransport "google.golang.org/api/transport/http"
 	"google.golang.org/grpc"
 	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
 )

 var newRegionInstanceTemplatesClientHook clientHook

 // RegionInstanceTemplatesCallOptions contains the retry settings for each method of RegionInstanceTemplatesClient.
 type RegionInstanceTemplatesCallOptions struct {
 	Delete []gax.CallOption
 	Get    []gax.CallOption
 	Insert []gax.CallOption
 	List   []gax.CallOption
 }

 func defaultRegionInstanceTemplatesRESTCallOptions() *RegionInstanceTemplatesCallOptions {
 	return &RegionInstanceTemplatesCallOptions{
 		Delete: []gax.CallOption{
 			gax.WithTimeout(600000 * time.Millisecond),
 		},
 		Get: []gax.CallOption{
 			gax.WithTimeout(600000 * time.Millisecond),
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnHTTPCodes(gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.30,
 				},
 					http.StatusGatewayTimeout,
 					http.StatusServiceUnavailable)
 			}),
 		},
 		Insert: []gax.CallOption{
 			gax.WithTimeout(600000 * time.Millisecond),
 		},
 		List: []gax.CallOption{
 			gax.WithTimeout(600000 * time.Millisecond),
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnHTTPCodes(gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.30,
 				},
 					http.StatusGatewayTimeout,
 					http.StatusServiceUnavailable)
 			}),
 		},
 	}
 }

 // internalRegionInstanceTemplatesClient is an interface that defines the methods available from Google Compute Engine API.
 type internalRegionInstanceTemplatesClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	Delete(context.Context, *computepb.DeleteRegionInstanceTemplateRequest, ...gax.CallOption) (*Operation, error)
 	Get(context.Context, *computepb.GetRegionInstanceTemplateRequest, ...gax.CallOption) (*computepb.InstanceTemplate, error)
 	Insert(context.Context, *computepb.InsertRegionInstanceTemplateRequest, ...gax.CallOption) (*Operation, error)
 	List(context.Context, *computepb.ListRegionInstanceTemplatesRequest, ...gax.CallOption) *InstanceTemplateIterator
 }

 // RegionInstanceTemplatesClient is a client for interacting with Google Compute Engine API.
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 //
 // The RegionInstanceTemplates API.
 type RegionInstanceTemplatesClient struct {
 	// The internal transport-dependent client.
 	internalClient internalRegionInstanceTemplatesClient

 	// The call options for this service.
 	CallOptions *RegionInstanceTemplatesCallOptions
 }

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

 // Connection returns a connection to the API service.
 //
 // Deprecated: Connections are now pooled so this method does not always
 // return the same resource.
 func (c *RegionInstanceTemplatesClient) Connection() *grpc.ClientConn {
 	return c.internalClient.Connection()
 }

 // Delete deletes the specified instance template. Deleting an instance template is permanent and cannot be undone.
 func (c *RegionInstanceTemplatesClient) Delete(ctx context.Context, req *computepb.DeleteRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
 	return c.internalClient.Delete(ctx, req, opts...)
 }

 // Get returns the specified instance template.
 func (c *RegionInstanceTemplatesClient) Get(ctx context.Context, req *computepb.GetRegionInstanceTemplateRequest, opts ...gax.CallOption) (*computepb.InstanceTemplate, error) {
 	return c.internalClient.Get(ctx, req, opts...)
 }

 // Insert creates an instance template in the specified project and region using the global instance template whose URL is included in the request.
 func (c *RegionInstanceTemplatesClient) Insert(ctx context.Context, req *computepb.InsertRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
 	return c.internalClient.Insert(ctx, req, opts...)
 }

 // List retrieves a list of instance templates that are contained within the specified project and region.
 func (c *RegionInstanceTemplatesClient) List(ctx context.Context, req *computepb.ListRegionInstanceTemplatesRequest, opts ...gax.CallOption) *InstanceTemplateIterator {
 	return c.internalClient.List(ctx, req, opts...)
 }

 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type regionInstanceTemplatesRESTClient struct {
 	// The http endpoint to connect to.
 	endpoint string

 	// The http client.
 	httpClient *http.Client

 	// operationClient is used to call the operation-specific management service.
 	operationClient *RegionOperationsClient

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

 	// Points back to the CallOptions field of the containing RegionInstanceTemplatesClient
 	CallOptions **RegionInstanceTemplatesCallOptions
 }

 // NewRegionInstanceTemplatesRESTClient creates a new region instance templates rest client.
 //
 // The RegionInstanceTemplates API.
 func NewRegionInstanceTemplatesRESTClient(ctx context.Context, opts ...option.ClientOption) (*RegionInstanceTemplatesClient, error) {
 	clientOpts := append(defaultRegionInstanceTemplatesRESTClientOptions(), opts...)
 	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
 	if err != nil {
 		return nil, err
 	}

 	callOpts := defaultRegionInstanceTemplatesRESTCallOptions()
 	c := &regionInstanceTemplatesRESTClient{
 		endpoint:    endpoint,
 		httpClient:  httpClient,
 		CallOptions: &callOpts,
 	}
 	c.setGoogleClientInfo()

 	o := []option.ClientOption{
 		option.WithHTTPClient(httpClient),
 		option.WithEndpoint(endpoint),
 	}
 	opC, err := NewRegionOperationsRESTClient(ctx, o...)
 	if err != nil {
 		return nil, err
 	}
 	c.operationClient = opC

 	return &RegionInstanceTemplatesClient{internalClient: c, CallOptions: callOpts}, nil
 }

 func defaultRegionInstanceTemplatesRESTClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		internaloption.WithDefaultEndpoint("https://compute.googleapis.com"),
 		internaloption.WithDefaultEndpointTemplate("https://compute.UNIVERSE_DOMAIN"),
 		internaloption.WithDefaultMTLSEndpoint("https://compute.mtls.googleapis.com"),
 		internaloption.WithDefaultUniverseDomain("googleapis.com"),
 		internaloption.WithDefaultAudience("https://compute.googleapis.com/"),
 		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
 	}
 }

 // setGoogleClientInfo sets the name and version of the application in
 // the `x-goog-api-client` header passed on each request. Intended for
 // use by Google-written clients.
 func (c *regionInstanceTemplatesRESTClient) setGoogleClientInfo(keyval ...string) {
 	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
 	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
 	c.xGoogHeaders = []string{
 		"x-goog-api-client", gax.XGoogHeader(kv...),
 	}
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *regionInstanceTemplatesRESTClient) Close() error {
 	// Replace httpClient with nil to force cleanup.
 	c.httpClient = nil
 	if err := c.operationClient.Close(); err != nil {
 		return err
 	}
 	return nil
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated: This method always returns nil.
 func (c *regionInstanceTemplatesRESTClient) Connection() *grpc.ClientConn {
 	return nil
 }

 // Delete deletes the specified instance template. Deleting an instance template is permanent and cannot be undone.
 func (c *regionInstanceTemplatesRESTClient) Delete(ctx context.Context, req *computepb.DeleteRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates/%v", req.GetProject(), req.GetRegion(), req.GetInstanceTemplate())

 	params := url.Values{}
 	if req != nil && req.RequestId != nil {
 		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
 	}

 	baseUrl.RawQuery = params.Encode()

 	// Build HTTP headers from client and context metadata.
 	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()), "instance_template", url.QueryEscape(req.GetInstanceTemplate()))}

 	hds = append(c.xGoogHeaders, hds...)
 	hds = append(hds, "Content-Type", "application/json")
 	headers := gax.BuildHeaders(ctx, hds...)
 	opts = append((*c.CallOptions).Delete[0:len((*c.CallOptions).Delete):len((*c.CallOptions).Delete)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &computepb.Operation{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := io.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return err
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	op := &Operation{
 		&regionOperationsHandle{
 			c:       c.operationClient,
 			proto:   resp,
 			project: req.GetProject(),
 			region:  req.GetRegion(),
 		},
 	}
 	return op, nil
 }

 // Get returns the specified instance template.
 func (c *regionInstanceTemplatesRESTClient) Get(ctx context.Context, req *computepb.GetRegionInstanceTemplateRequest, opts ...gax.CallOption) (*computepb.InstanceTemplate, error) {
 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates/%v", req.GetProject(), req.GetRegion(), req.GetInstanceTemplate())

 	// Build HTTP headers from client and context metadata.
 	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()), "instance_template", url.QueryEscape(req.GetInstanceTemplate()))}

 	hds = append(c.xGoogHeaders, hds...)
 	hds = append(hds, "Content-Type", "application/json")
 	headers := gax.BuildHeaders(ctx, hds...)
 	opts = append((*c.CallOptions).Get[0:len((*c.CallOptions).Get):len((*c.CallOptions).Get)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &computepb.InstanceTemplate{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := io.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return err
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	return resp, nil
 }

 // Insert creates an instance template in the specified project and region using the global instance template whose URL is included in the request.
 func (c *regionInstanceTemplatesRESTClient) Insert(ctx context.Context, req *computepb.InsertRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
 	m := protojson.MarshalOptions{AllowPartial: true}
 	body := req.GetInstanceTemplateResource()
 	jsonReq, err := m.Marshal(body)
 	if err != nil {
 		return nil, err
 	}

 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates", req.GetProject(), req.GetRegion())

 	params := url.Values{}
 	if req != nil && req.RequestId != nil {
 		params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
 	}

 	baseUrl.RawQuery = params.Encode()

 	// Build HTTP headers from client and context metadata.
 	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()))}

 	hds = append(c.xGoogHeaders, hds...)
 	hds = append(hds, "Content-Type", "application/json")
 	headers := gax.BuildHeaders(ctx, hds...)
 	opts = append((*c.CallOptions).Insert[0:len((*c.CallOptions).Insert):len((*c.CallOptions).Insert)], opts...)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	resp := &computepb.Operation{}
 	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		if settings.Path != "" {
 			baseUrl.Path = settings.Path
 		}
 		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
 		if err != nil {
 			return err
 		}
 		httpReq = httpReq.WithContext(ctx)
 		httpReq.Header = headers

 		httpRsp, err := c.httpClient.Do(httpReq)
 		if err != nil {
 			return err
 		}
 		defer httpRsp.Body.Close()

 		if err = googleapi.CheckResponse(httpRsp); err != nil {
 			return err
 		}

 		buf, err := io.ReadAll(httpRsp.Body)
 		if err != nil {
 			return err
 		}

 		if err := unm.Unmarshal(buf, resp); err != nil {
 			return err
 		}

 		return nil
 	}, opts...)
 	if e != nil {
 		return nil, e
 	}
 	op := &Operation{
 		&regionOperationsHandle{
 			c:       c.operationClient,
 			proto:   resp,
 			project: req.GetProject(),
 			region:  req.GetRegion(),
 		},
 	}
 	return op, nil
 }

 // List retrieves a list of instance templates that are contained within the specified project and region.
 func (c *regionInstanceTemplatesRESTClient) List(ctx context.Context, req *computepb.ListRegionInstanceTemplatesRequest, opts ...gax.CallOption) *InstanceTemplateIterator {
 	it := &InstanceTemplateIterator{}
 	req = proto.Clone(req).(*computepb.ListRegionInstanceTemplatesRequest)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*computepb.InstanceTemplate, string, error) {
 		resp := &computepb.InstanceTemplateList{}
 		if pageToken != "" {
 			req.PageToken = proto.String(pageToken)
 		}
 		if pageSize > math.MaxInt32 {
 			req.MaxResults = proto.Uint32(math.MaxInt32)
 		} else if pageSize != 0 {
 			req.MaxResults = proto.Uint32(uint32(pageSize))
 		}
 		baseUrl, err := url.Parse(c.endpoint)
 		if err != nil {
 			return nil, "", err
 		}
 		baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates", req.GetProject(), req.GetRegion())

 		params := url.Values{}
 		if req != nil && req.Filter != nil {
 			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
 		}
 		if req != nil && req.MaxResults != nil {
 			params.Add("maxResults", fmt.Sprintf("%v", req.GetMaxResults()))
 		}
 		if req != nil && req.OrderBy != nil {
 			params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
 		}
 		if req != nil && req.PageToken != nil {
 			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
 		}
 		if req != nil && req.ReturnPartialSuccess != nil {
 			params.Add("returnPartialSuccess", fmt.Sprintf("%v", req.GetReturnPartialSuccess()))
 		}

 		baseUrl.RawQuery = params.Encode()

 		// Build HTTP headers from client and context metadata.
 		hds := append(c.xGoogHeaders, "Content-Type", "application/json")
 		headers := gax.BuildHeaders(ctx, hds...)
 		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 			if settings.Path != "" {
 				baseUrl.Path = settings.Path
 			}
 			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
 			if err != nil {
 				return err
 			}
 			httpReq.Header = headers

 			httpRsp, err := c.httpClient.Do(httpReq)
 			if err != nil {
 				return err
 			}
 			defer httpRsp.Body.Close()

 			if err = googleapi.CheckResponse(httpRsp); err != nil {
 				return err
 			}

 			buf, err := io.ReadAll(httpRsp.Body)
 			if err != nil {
 				return err
 			}

 			if err := unm.Unmarshal(buf, resp); err != nil {
 				return err
 			}

 			return nil
 		}, opts...)
 		if e != nil {
 			return nil, "", e
 		}
 		it.Response = resp
 		return resp.GetItems(), 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.GetMaxResults())
 	it.pageInfo.Token = req.GetPageToken()

 	return it
 }
	// Copyright 2024 Google LLC
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// https://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	// Code generated by protoc-gen-go_gapic. DO NOT EDIT.

	package compute

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

	computepb "cloud.google.com/go/compute/apiv1/computepb"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/googleapi"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	httptransport "google.golang.org/api/transport/http"
	"google.golang.org/grpc"
	"google.golang.org/protobuf/encoding/protojson"
	"google.golang.org/protobuf/proto"
	)

	var newRegionInstanceTemplatesClientHook clientHook

	// RegionInstanceTemplatesCallOptions contains the retry settings for each method of RegionInstanceTemplatesClient.
	type RegionInstanceTemplatesCallOptions struct {
	Delete []gax.CallOption
	Get []gax.CallOption
	Insert []gax.CallOption
	List []gax.CallOption
	}

	func defaultRegionInstanceTemplatesRESTCallOptions() *RegionInstanceTemplatesCallOptions {
	return &RegionInstanceTemplatesCallOptions{
	Delete: []gax.CallOption{
	gax.WithTimeout(600000 * time.Millisecond),
	},
	Get: []gax.CallOption{
	gax.WithTimeout(600000 * time.Millisecond),
	gax.WithRetry(func() gax.Retryer {
	return gax.OnHTTPCodes(gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.30,
	},
	http.StatusGatewayTimeout,
	http.StatusServiceUnavailable)
	}),
	},
	Insert: []gax.CallOption{
	gax.WithTimeout(600000 * time.Millisecond),
	},
	List: []gax.CallOption{
	gax.WithTimeout(600000 * time.Millisecond),
	gax.WithRetry(func() gax.Retryer {
	return gax.OnHTTPCodes(gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.30,
	},
	http.StatusGatewayTimeout,
	http.StatusServiceUnavailable)
	}),
	},
	}
	}

	// internalRegionInstanceTemplatesClient is an interface that defines the methods available from Google Compute Engine API.
	type internalRegionInstanceTemplatesClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	Delete(context.Context, computepb.DeleteRegionInstanceTemplateRequest, ...gax.CallOption) (Operation, error)
	Get(context.Context, computepb.GetRegionInstanceTemplateRequest, ...gax.CallOption) (computepb.InstanceTemplate, error)
	Insert(context.Context, computepb.InsertRegionInstanceTemplateRequest, ...gax.CallOption) (Operation, error)
	List(context.Context, computepb.ListRegionInstanceTemplatesRequest, ...gax.CallOption) InstanceTemplateIterator
	}

	// RegionInstanceTemplatesClient is a client for interacting with Google Compute Engine API.
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	//
	// The RegionInstanceTemplates API.
	type RegionInstanceTemplatesClient struct {
	// The internal transport-dependent client.
	internalClient internalRegionInstanceTemplatesClient

	// The call options for this service.
	CallOptions *RegionInstanceTemplatesCallOptions
	}

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

	// Connection returns a connection to the API service.
	//
	// Deprecated: Connections are now pooled so this method does not always
	// return the same resource.
	func (c RegionInstanceTemplatesClient) Connection() grpc.ClientConn {
	return c.internalClient.Connection()
	}

	// Delete deletes the specified instance template. Deleting an instance template is permanent and cannot be undone.
	func (c RegionInstanceTemplatesClient) Delete(ctx context.Context, req computepb.DeleteRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
	return c.internalClient.Delete(ctx, req, opts...)
	}

	// Get returns the specified instance template.
	func (c RegionInstanceTemplatesClient) Get(ctx context.Context, req computepb.GetRegionInstanceTemplateRequest, opts ...gax.CallOption) (*computepb.InstanceTemplate, error) {
	return c.internalClient.Get(ctx, req, opts...)
	}

	// Insert creates an instance template in the specified project and region using the global instance template whose URL is included in the request.
	func (c RegionInstanceTemplatesClient) Insert(ctx context.Context, req computepb.InsertRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
	return c.internalClient.Insert(ctx, req, opts...)
	}

	// List retrieves a list of instance templates that are contained within the specified project and region.
	func (c RegionInstanceTemplatesClient) List(ctx context.Context, req computepb.ListRegionInstanceTemplatesRequest, opts ...gax.CallOption) *InstanceTemplateIterator {
	return c.internalClient.List(ctx, req, opts...)
	}

	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type regionInstanceTemplatesRESTClient struct {
	// The http endpoint to connect to.
	endpoint string

	// The http client.
	httpClient *http.Client

	// operationClient is used to call the operation-specific management service.
	operationClient *RegionOperationsClient

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

	// Points back to the CallOptions field of the containing RegionInstanceTemplatesClient
	CallOptions **RegionInstanceTemplatesCallOptions
	}

	// NewRegionInstanceTemplatesRESTClient creates a new region instance templates rest client.
	//
	// The RegionInstanceTemplates API.
	func NewRegionInstanceTemplatesRESTClient(ctx context.Context, opts ...option.ClientOption) (*RegionInstanceTemplatesClient, error) {
	clientOpts := append(defaultRegionInstanceTemplatesRESTClientOptions(), opts...)
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
	return nil, err
	}

	callOpts := defaultRegionInstanceTemplatesRESTCallOptions()
	c := &regionInstanceTemplatesRESTClient{
	endpoint: endpoint,
	httpClient: httpClient,
	CallOptions: &callOpts,
	}
	c.setGoogleClientInfo()

	o := []option.ClientOption{
	option.WithHTTPClient(httpClient),
	option.WithEndpoint(endpoint),
	}
	opC, err := NewRegionOperationsRESTClient(ctx, o...)
	if err != nil {
	return nil, err
	}
	c.operationClient = opC

	return &RegionInstanceTemplatesClient{internalClient: c, CallOptions: callOpts}, nil
	}

	func defaultRegionInstanceTemplatesRESTClientOptions() []option.ClientOption {
	return []option.ClientOption{
	internaloption.WithDefaultEndpoint("https://compute.googleapis.com"),
	internaloption.WithDefaultEndpointTemplate("https://compute.UNIVERSE_DOMAIN"),
	internaloption.WithDefaultMTLSEndpoint("https://compute.mtls.googleapis.com"),
	internaloption.WithDefaultUniverseDomain("googleapis.com"),
	internaloption.WithDefaultAudience("https://compute.googleapis.com/"),
	internaloption.WithDefaultScopes(DefaultAuthScopes()...),
	}
	}

	// setGoogleClientInfo sets the name and version of the application in
	// the `x-goog-api-client` header passed on each request. Intended for
	// use by Google-written clients.
	func (c *regionInstanceTemplatesRESTClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
	c.xGoogHeaders = []string{
	"x-goog-api-client", gax.XGoogHeader(kv...),
	}
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *regionInstanceTemplatesRESTClient) Close() error {
	// Replace httpClient with nil to force cleanup.
	c.httpClient = nil
	if err := c.operationClient.Close(); err != nil {
	return err
	}
	return nil
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated: This method always returns nil.
	func (c regionInstanceTemplatesRESTClient) Connection() grpc.ClientConn {
	return nil
	}

	// Delete deletes the specified instance template. Deleting an instance template is permanent and cannot be undone.
	func (c regionInstanceTemplatesRESTClient) Delete(ctx context.Context, req computepb.DeleteRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates/%v", req.GetProject(), req.GetRegion(), req.GetInstanceTemplate())

	params := url.Values{}
	if req != nil && req.RequestId != nil {
	params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()), "instance_template", url.QueryEscape(req.GetInstanceTemplate()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	opts = append((c.CallOptions).Delete[0:len((c.CallOptions).Delete):len((*c.CallOptions).Delete)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.Operation{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := io.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return err
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	op := &Operation{
	&regionOperationsHandle{
	c: c.operationClient,
	proto: resp,
	project: req.GetProject(),
	region: req.GetRegion(),
	},
	}
	return op, nil
	}

	// Get returns the specified instance template.
	func (c regionInstanceTemplatesRESTClient) Get(ctx context.Context, req computepb.GetRegionInstanceTemplateRequest, opts ...gax.CallOption) (*computepb.InstanceTemplate, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates/%v", req.GetProject(), req.GetRegion(), req.GetInstanceTemplate())

	// Build HTTP headers from client and context metadata.
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()), "instance_template", url.QueryEscape(req.GetInstanceTemplate()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	opts = append((c.CallOptions).Get[0:len((c.CallOptions).Get):len((*c.CallOptions).Get)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.InstanceTemplate{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := io.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return err
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	return resp, nil
	}

	// Insert creates an instance template in the specified project and region using the global instance template whose URL is included in the request.
	func (c regionInstanceTemplatesRESTClient) Insert(ctx context.Context, req computepb.InsertRegionInstanceTemplateRequest, opts ...gax.CallOption) (*Operation, error) {
	m := protojson.MarshalOptions{AllowPartial: true}
	body := req.GetInstanceTemplateResource()
	jsonReq, err := m.Marshal(body)
	if err != nil {
	return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates", req.GetProject(), req.GetRegion())

	params := url.Values{}
	if req != nil && req.RequestId != nil {
	params.Add("requestId", fmt.Sprintf("%v", req.GetRequestId()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	hds := []string{"x-goog-request-params", fmt.Sprintf("%s=%v&%s=%v", "project", url.QueryEscape(req.GetProject()), "region", url.QueryEscape(req.GetRegion()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	opts = append((c.CallOptions).Insert[0:len((c.CallOptions).Insert):len((*c.CallOptions).Insert)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.Operation{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
	if err != nil {
	return err
	}
	httpReq = httpReq.WithContext(ctx)
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := io.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return err
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, e
	}
	op := &Operation{
	&regionOperationsHandle{
	c: c.operationClient,
	proto: resp,
	project: req.GetProject(),
	region: req.GetRegion(),
	},
	}
	return op, nil
	}

	// List retrieves a list of instance templates that are contained within the specified project and region.
	func (c regionInstanceTemplatesRESTClient) List(ctx context.Context, req computepb.ListRegionInstanceTemplatesRequest, opts ...gax.CallOption) *InstanceTemplateIterator {
	it := &InstanceTemplateIterator{}
	req = proto.Clone(req).(*computepb.ListRegionInstanceTemplatesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*computepb.InstanceTemplate, string, error) {
	resp := &computepb.InstanceTemplateList{}
	if pageToken != "" {
	req.PageToken = proto.String(pageToken)
	}
	if pageSize > math.MaxInt32 {
	req.MaxResults = proto.Uint32(math.MaxInt32)
	} else if pageSize != 0 {
	req.MaxResults = proto.Uint32(uint32(pageSize))
	}
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, "", err
	}
	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/regions/%v/instanceTemplates", req.GetProject(), req.GetRegion())

	params := url.Values{}
	if req != nil && req.Filter != nil {
	params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
	}
	if req != nil && req.MaxResults != nil {
	params.Add("maxResults", fmt.Sprintf("%v", req.GetMaxResults()))
	}
	if req != nil && req.OrderBy != nil {
	params.Add("orderBy", fmt.Sprintf("%v", req.GetOrderBy()))
	}
	if req != nil && req.PageToken != nil {
	params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
	}
	if req != nil && req.ReturnPartialSuccess != nil {
	params.Add("returnPartialSuccess", fmt.Sprintf("%v", req.GetReturnPartialSuccess()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	hds := append(c.xGoogHeaders, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	if settings.Path != "" {
	baseUrl.Path = settings.Path
	}
	httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
	if err != nil {
	return err
	}
	httpReq.Header = headers

	httpRsp, err := c.httpClient.Do(httpReq)
	if err != nil {
	return err
	}
	defer httpRsp.Body.Close()

	if err = googleapi.CheckResponse(httpRsp); err != nil {
	return err
	}

	buf, err := io.ReadAll(httpRsp.Body)
	if err != nil {
	return err
	}

	if err := unm.Unmarshal(buf, resp); err != nil {
	return err
	}

	return nil
	}, opts...)
	if e != nil {
	return nil, "", e
	}
	it.Response = resp
	return resp.GetItems(), 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.GetMaxResults())
	it.pageInfo.Token = req.GetPageToken()

	return it
	}