compute/apiv1/machine_types_client.go - gocloud - 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 (
 	"context"
 	"fmt"
 	"io"
 	"math"
 	"net/http"
 	"net/url"
 	"sort"
 	"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 newMachineTypesClientHook clientHook

 // MachineTypesCallOptions contains the retry settings for each method of MachineTypesClient.
 type MachineTypesCallOptions struct {
 	AggregatedList []gax.CallOption
 	Get            []gax.CallOption
 	List           []gax.CallOption
 }

 func defaultMachineTypesRESTCallOptions() *MachineTypesCallOptions {
 	return &MachineTypesCallOptions{
 		AggregatedList: []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)
 			}),
 		},
 		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)
 			}),
 		},
 		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)
 			}),
 		},
 	}
 }

 // internalMachineTypesClient is an interface that defines the methods available from Google Compute Engine API.
 type internalMachineTypesClient interface {
 	Close() error
 	setGoogleClientInfo(...string)
 	Connection() *grpc.ClientConn
 	AggregatedList(context.Context, *computepb.AggregatedListMachineTypesRequest, ...gax.CallOption) *MachineTypesScopedListPairIterator
 	Get(context.Context, *computepb.GetMachineTypeRequest, ...gax.CallOption) (*computepb.MachineType, error)
 	List(context.Context, *computepb.ListMachineTypesRequest, ...gax.CallOption) *MachineTypeIterator
 }

 // MachineTypesClient 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 MachineTypes API.
 type MachineTypesClient struct {
 	// The internal transport-dependent client.
 	internalClient internalMachineTypesClient

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

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

 // AggregatedList retrieves an aggregated list of machine types. To prevent failure, Google recommends that you set the returnPartialSuccess parameter to true.
 func (c *MachineTypesClient) AggregatedList(ctx context.Context, req *computepb.AggregatedListMachineTypesRequest, opts ...gax.CallOption) *MachineTypesScopedListPairIterator {
 	return c.internalClient.AggregatedList(ctx, req, opts...)
 }

 // Get returns the specified machine type.
 func (c *MachineTypesClient) Get(ctx context.Context, req *computepb.GetMachineTypeRequest, opts ...gax.CallOption) (*computepb.MachineType, error) {
 	return c.internalClient.Get(ctx, req, opts...)
 }

 // List retrieves a list of machine types available to the specified project.
 func (c *MachineTypesClient) List(ctx context.Context, req *computepb.ListMachineTypesRequest, opts ...gax.CallOption) *MachineTypeIterator {
 	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 machineTypesRESTClient struct {
 	// The http endpoint to connect to.
 	endpoint string

 	// The http client.
 	httpClient *http.Client

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

 	// Points back to the CallOptions field of the containing MachineTypesClient
 	CallOptions **MachineTypesCallOptions
 }

 // NewMachineTypesRESTClient creates a new machine types rest client.
 //
 // The MachineTypes API.
 func NewMachineTypesRESTClient(ctx context.Context, opts ...option.ClientOption) (*MachineTypesClient, error) {
 	clientOpts := append(defaultMachineTypesRESTClientOptions(), opts...)
 	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
 	if err != nil {
 		return nil, err
 	}

 	callOpts := defaultMachineTypesRESTCallOptions()
 	c := &machineTypesRESTClient{
 		endpoint:    endpoint,
 		httpClient:  httpClient,
 		CallOptions: &callOpts,
 	}
 	c.setGoogleClientInfo()

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

 func defaultMachineTypesRESTClientOptions() []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 *machineTypesRESTClient) 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 *machineTypesRESTClient) Close() error {
 	// Replace httpClient with nil to force cleanup.
 	c.httpClient = nil
 	return nil
 }

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

 // AggregatedList retrieves an aggregated list of machine types. To prevent failure, Google recommends that you set the returnPartialSuccess parameter to true.
 func (c *machineTypesRESTClient) AggregatedList(ctx context.Context, req *computepb.AggregatedListMachineTypesRequest, opts ...gax.CallOption) *MachineTypesScopedListPairIterator {
 	it := &MachineTypesScopedListPairIterator{}
 	req = proto.Clone(req).(*computepb.AggregatedListMachineTypesRequest)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	it.InternalFetch = func(pageSize int, pageToken string) ([]MachineTypesScopedListPair, string, error) {
 		resp := &computepb.MachineTypeAggregatedList{}
 		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/aggregated/machineTypes", req.GetProject())

 		params := url.Values{}
 		if req != nil && req.Filter != nil {
 			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
 		}
 		if req != nil && req.IncludeAllScopes != nil {
 			params.Add("includeAllScopes", fmt.Sprintf("%v", req.GetIncludeAllScopes()))
 		}
 		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()))
 		}
 		if req != nil && req.ServiceProjectNumber != nil {
 			params.Add("serviceProjectNumber", fmt.Sprintf("%v", req.GetServiceProjectNumber()))
 		}

 		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

 		elems := make([]MachineTypesScopedListPair, 0, len(resp.GetItems()))
 		for k, v := range resp.GetItems() {
 			elems = append(elems, MachineTypesScopedListPair{k, v})
 		}
 		sort.Slice(elems, func(i, j int) bool { return elems[i].Key < elems[j].Key })

 		return elems, 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
 }

 // Get returns the specified machine type.
 func (c *machineTypesRESTClient) Get(ctx context.Context, req *computepb.GetMachineTypeRequest, opts ...gax.CallOption) (*computepb.MachineType, error) {
 	baseUrl, err := url.Parse(c.endpoint)
 	if err != nil {
 		return nil, err
 	}
 	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/zones/%v/machineTypes/%v", req.GetProject(), req.GetZone(), req.GetMachineType())

 	// 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()), "zone", url.QueryEscape(req.GetZone()), "machine_type", url.QueryEscape(req.GetMachineType()))}

 	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.MachineType{}
 	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
 }

 // List retrieves a list of machine types available to the specified project.
 func (c *machineTypesRESTClient) List(ctx context.Context, req *computepb.ListMachineTypesRequest, opts ...gax.CallOption) *MachineTypeIterator {
 	it := &MachineTypeIterator{}
 	req = proto.Clone(req).(*computepb.ListMachineTypesRequest)
 	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*computepb.MachineType, string, error) {
 		resp := &computepb.MachineTypeList{}
 		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/zones/%v/machineTypes", req.GetProject(), req.GetZone())

 		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 (
	"context"
	"fmt"
	"io"
	"math"
	"net/http"
	"net/url"
	"sort"
	"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 newMachineTypesClientHook clientHook

	// MachineTypesCallOptions contains the retry settings for each method of MachineTypesClient.
	type MachineTypesCallOptions struct {
	AggregatedList []gax.CallOption
	Get []gax.CallOption
	List []gax.CallOption
	}

	func defaultMachineTypesRESTCallOptions() *MachineTypesCallOptions {
	return &MachineTypesCallOptions{
	AggregatedList: []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)
	}),
	},
	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)
	}),
	},
	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)
	}),
	},
	}
	}

	// internalMachineTypesClient is an interface that defines the methods available from Google Compute Engine API.
	type internalMachineTypesClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	AggregatedList(context.Context, computepb.AggregatedListMachineTypesRequest, ...gax.CallOption) MachineTypesScopedListPairIterator
	Get(context.Context, computepb.GetMachineTypeRequest, ...gax.CallOption) (computepb.MachineType, error)
	List(context.Context, computepb.ListMachineTypesRequest, ...gax.CallOption) MachineTypeIterator
	}

	// MachineTypesClient 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 MachineTypes API.
	type MachineTypesClient struct {
	// The internal transport-dependent client.
	internalClient internalMachineTypesClient

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

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

	// AggregatedList retrieves an aggregated list of machine types. To prevent failure, Google recommends that you set the returnPartialSuccess parameter to true.
	func (c MachineTypesClient) AggregatedList(ctx context.Context, req computepb.AggregatedListMachineTypesRequest, opts ...gax.CallOption) *MachineTypesScopedListPairIterator {
	return c.internalClient.AggregatedList(ctx, req, opts...)
	}

	// Get returns the specified machine type.
	func (c MachineTypesClient) Get(ctx context.Context, req computepb.GetMachineTypeRequest, opts ...gax.CallOption) (*computepb.MachineType, error) {
	return c.internalClient.Get(ctx, req, opts...)
	}

	// List retrieves a list of machine types available to the specified project.
	func (c MachineTypesClient) List(ctx context.Context, req computepb.ListMachineTypesRequest, opts ...gax.CallOption) *MachineTypeIterator {
	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 machineTypesRESTClient struct {
	// The http endpoint to connect to.
	endpoint string

	// The http client.
	httpClient *http.Client

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

	// Points back to the CallOptions field of the containing MachineTypesClient
	CallOptions **MachineTypesCallOptions
	}

	// NewMachineTypesRESTClient creates a new machine types rest client.
	//
	// The MachineTypes API.
	func NewMachineTypesRESTClient(ctx context.Context, opts ...option.ClientOption) (*MachineTypesClient, error) {
	clientOpts := append(defaultMachineTypesRESTClientOptions(), opts...)
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
	return nil, err
	}

	callOpts := defaultMachineTypesRESTCallOptions()
	c := &machineTypesRESTClient{
	endpoint: endpoint,
	httpClient: httpClient,
	CallOptions: &callOpts,
	}
	c.setGoogleClientInfo()

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

	func defaultMachineTypesRESTClientOptions() []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 *machineTypesRESTClient) 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 *machineTypesRESTClient) Close() error {
	// Replace httpClient with nil to force cleanup.
	c.httpClient = nil
	return nil
	}

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

	// AggregatedList retrieves an aggregated list of machine types. To prevent failure, Google recommends that you set the returnPartialSuccess parameter to true.
	func (c machineTypesRESTClient) AggregatedList(ctx context.Context, req computepb.AggregatedListMachineTypesRequest, opts ...gax.CallOption) *MachineTypesScopedListPairIterator {
	it := &MachineTypesScopedListPairIterator{}
	req = proto.Clone(req).(*computepb.AggregatedListMachineTypesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]MachineTypesScopedListPair, string, error) {
	resp := &computepb.MachineTypeAggregatedList{}
	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/aggregated/machineTypes", req.GetProject())

	params := url.Values{}
	if req != nil && req.Filter != nil {
	params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
	}
	if req != nil && req.IncludeAllScopes != nil {
	params.Add("includeAllScopes", fmt.Sprintf("%v", req.GetIncludeAllScopes()))
	}
	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()))
	}
	if req != nil && req.ServiceProjectNumber != nil {
	params.Add("serviceProjectNumber", fmt.Sprintf("%v", req.GetServiceProjectNumber()))
	}

	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

	elems := make([]MachineTypesScopedListPair, 0, len(resp.GetItems()))
	for k, v := range resp.GetItems() {
	elems = append(elems, MachineTypesScopedListPair{k, v})
	}
	sort.Slice(elems, func(i, j int) bool { return elems[i].Key < elems[j].Key })

	return elems, 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
	}

	// Get returns the specified machine type.
	func (c machineTypesRESTClient) Get(ctx context.Context, req computepb.GetMachineTypeRequest, opts ...gax.CallOption) (*computepb.MachineType, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
	return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/v1/projects/%v/zones/%v/machineTypes/%v", req.GetProject(), req.GetZone(), req.GetMachineType())

	// 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()), "zone", url.QueryEscape(req.GetZone()), "machine_type", url.QueryEscape(req.GetMachineType()))}

	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.MachineType{}
	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
	}

	// List retrieves a list of machine types available to the specified project.
	func (c machineTypesRESTClient) List(ctx context.Context, req computepb.ListMachineTypesRequest, opts ...gax.CallOption) *MachineTypeIterator {
	it := &MachineTypeIterator{}
	req = proto.Clone(req).(*computepb.ListMachineTypesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*computepb.MachineType, string, error) {
	resp := &computepb.MachineTypeList{}
	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/zones/%v/machineTypes", req.GetProject(), req.GetZone())

	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
	}