// Copyright 2026 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"
	"log/slog"
	"math"
	"net/http"
	"net/url"
	"time"

	computepb "cloud.google.com/go/compute/apiv1beta/computepb"
	gax "github.com/googleapis/gax-go/v2"
	"github.com/googleapis/gax-go/v2/callctx"
	"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 newReservationSubBlocksClientHook clientHook

// ReservationSubBlocksCallOptions contains the retry settings for each method of ReservationSubBlocksClient.
type ReservationSubBlocksCallOptions struct {
	Get                []gax.CallOption
	GetIamPolicy       []gax.CallOption
	GetVersion         []gax.CallOption
	List               []gax.CallOption
	PerformMaintenance []gax.CallOption
	ReportFaulty       []gax.CallOption
	SetIamPolicy       []gax.CallOption
	TestIamPermissions []gax.CallOption
}

func defaultReservationSubBlocksRESTCallOptions() *ReservationSubBlocksCallOptions {
	return &ReservationSubBlocksCallOptions{
		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)
			}),
		},
		GetIamPolicy: []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)
			}),
		},
		GetVersion: []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)
			}),
		},
		PerformMaintenance: []gax.CallOption{
			gax.WithTimeout(600000 * time.Millisecond),
		},
		ReportFaulty: []gax.CallOption{
			gax.WithTimeout(600000 * time.Millisecond),
		},
		SetIamPolicy: []gax.CallOption{
			gax.WithTimeout(600000 * time.Millisecond),
		},
		TestIamPermissions: []gax.CallOption{
			gax.WithTimeout(600000 * time.Millisecond),
		},
	}
}

// internalReservationSubBlocksClient is an interface that defines the methods available from Google Compute Engine API.
type internalReservationSubBlocksClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	Get(context.Context, *computepb.GetReservationSubBlockRequest, ...gax.CallOption) (*computepb.ReservationSubBlocksGetResponse, error)
	GetIamPolicy(context.Context, *computepb.GetIamPolicyReservationSubBlockRequest, ...gax.CallOption) (*computepb.Policy, error)
	GetVersion(context.Context, *computepb.GetVersionReservationSubBlockRequest, ...gax.CallOption) (*Operation, error)
	List(context.Context, *computepb.ListReservationSubBlocksRequest, ...gax.CallOption) *ReservationSubBlockIterator
	PerformMaintenance(context.Context, *computepb.PerformMaintenanceReservationSubBlockRequest, ...gax.CallOption) (*Operation, error)
	ReportFaulty(context.Context, *computepb.ReportFaultyReservationSubBlockRequest, ...gax.CallOption) (*Operation, error)
	SetIamPolicy(context.Context, *computepb.SetIamPolicyReservationSubBlockRequest, ...gax.CallOption) (*computepb.Policy, error)
	TestIamPermissions(context.Context, *computepb.TestIamPermissionsReservationSubBlockRequest, ...gax.CallOption) (*computepb.TestPermissionsResponse, error)
}

// ReservationSubBlocksClient 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 ReservationSubBlocks API.
type ReservationSubBlocksClient struct {
	// The internal transport-dependent client.
	internalClient internalReservationSubBlocksClient

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

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

// Get retrieves information about the specified reservation subBlock.
func (c *ReservationSubBlocksClient) Get(ctx context.Context, req *computepb.GetReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.ReservationSubBlocksGetResponse, error) {
	return c.internalClient.Get(ctx, req, opts...)
}

// GetIamPolicy gets the access control policy for a resource. May be empty if no such
// policy or resource exists.
func (c *ReservationSubBlocksClient) GetIamPolicy(ctx context.Context, req *computepb.GetIamPolicyReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.Policy, error) {
	return c.internalClient.GetIamPolicy(ctx, req, opts...)
}

// GetVersion allows customers to get SBOM versions of a reservation subBlock.
func (c *ReservationSubBlocksClient) GetVersion(ctx context.Context, req *computepb.GetVersionReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	return c.internalClient.GetVersion(ctx, req, opts...)
}

// List retrieves a list of reservation subBlocks under a single reservation.
func (c *ReservationSubBlocksClient) List(ctx context.Context, req *computepb.ListReservationSubBlocksRequest, opts ...gax.CallOption) *ReservationSubBlockIterator {
	return c.internalClient.List(ctx, req, opts...)
}

// PerformMaintenance allows customers to perform maintenance on a reservation subBlock
func (c *ReservationSubBlocksClient) PerformMaintenance(ctx context.Context, req *computepb.PerformMaintenanceReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	return c.internalClient.PerformMaintenance(ctx, req, opts...)
}

// ReportFaulty allows customers to report a faulty subBlock.
func (c *ReservationSubBlocksClient) ReportFaulty(ctx context.Context, req *computepb.ReportFaultyReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	return c.internalClient.ReportFaulty(ctx, req, opts...)
}

// SetIamPolicy sets the access control policy on the specified resource.
// Replaces any existing policy.
func (c *ReservationSubBlocksClient) SetIamPolicy(ctx context.Context, req *computepb.SetIamPolicyReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.Policy, error) {
	return c.internalClient.SetIamPolicy(ctx, req, opts...)
}

// TestIamPermissions returns permissions that a caller has on the specified resource.
func (c *ReservationSubBlocksClient) TestIamPermissions(ctx context.Context, req *computepb.TestIamPermissionsReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.TestPermissionsResponse, error) {
	return c.internalClient.TestIamPermissions(ctx, req, opts...)
}

// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type reservationSubBlocksRESTClient 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 *ZoneOperationsClient

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

	// Points back to the CallOptions field of the containing ReservationSubBlocksClient
	CallOptions **ReservationSubBlocksCallOptions

	logger *slog.Logger
}

// NewReservationSubBlocksRESTClient creates a new reservation sub blocks rest client.
//
// The ReservationSubBlocks API.
func NewReservationSubBlocksRESTClient(ctx context.Context, opts ...option.ClientOption) (*ReservationSubBlocksClient, error) {
	clientOpts := append(defaultReservationSubBlocksRESTClientOptions(), opts...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		clientOpts = append(clientOpts, internaloption.WithTelemetryAttributes(map[string]string{
			"gcp.client.service":  "compute",
			"gcp.client.version":  getVersionClient(),
			"gcp.client.repo":     "googleapis/google-cloud-go",
			"gcp.client.artifact": "cloud.google.com/go/compute/apiv1beta",
			"gcp.client.language": "go",
			"url.domain":          "compute.googleapis.com",
		}))
	}
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
		return nil, err
	}

	callOpts := defaultReservationSubBlocksRESTCallOptions()
	c := &reservationSubBlocksRESTClient{
		endpoint:    endpoint,
		httpClient:  httpClient,
		CallOptions: &callOpts,
		logger:      internaloption.GetLogger(opts),
	}
	c.setGoogleClientInfo()

	if gax.IsFeatureEnabled("METRICS") {
		metrics := gax.NewClientMetrics(
			gax.WithTelemetryLogger(c.logger),
			gax.WithTelemetryAttributes(map[string]string{
				gax.ClientService:  "compute",
				gax.ClientVersion:  getVersionClient(),
				gax.ClientArtifact: "cloud.google.com/go/compute/apiv1beta",
				gax.RPCSystem:      "http",
				gax.URLDomain:      "compute.googleapis.com",
			}),
		)

		callOpts.Get = append(callOpts.Get, gax.WithClientMetrics(metrics))
		callOpts.GetIamPolicy = append(callOpts.GetIamPolicy, gax.WithClientMetrics(metrics))
		callOpts.GetVersion = append(callOpts.GetVersion, gax.WithClientMetrics(metrics))
		callOpts.List = append(callOpts.List, gax.WithClientMetrics(metrics))
		callOpts.PerformMaintenance = append(callOpts.PerformMaintenance, gax.WithClientMetrics(metrics))
		callOpts.ReportFaulty = append(callOpts.ReportFaulty, gax.WithClientMetrics(metrics))
		callOpts.SetIamPolicy = append(callOpts.SetIamPolicy, gax.WithClientMetrics(metrics))
		callOpts.TestIamPermissions = append(callOpts.TestIamPermissions, gax.WithClientMetrics(metrics))
	}

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

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

func defaultReservationSubBlocksRESTClientOptions() []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()...),
		internaloption.EnableNewAuthLibrary(),
	}
}

// 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 *reservationSubBlocksRESTClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", gax.GoVersion}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN", "pb", protoVersion)
	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 *reservationSubBlocksRESTClient) 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 *reservationSubBlocksRESTClient) Connection() *grpc.ClientConn {
	return nil
}

// Get retrieves information about the specified reservation subBlock.
func (c *reservationSubBlocksRESTClient) Get(ctx context.Context, req *computepb.GetReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.ReservationSubBlocksGetResponse, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v", req.GetProject(), req.GetZone(), req.GetParentName(), req.GetReservationSubBlock())

	params := url.Values{}
	if req != nil && req.View != nil {
		params.Add("view", fmt.Sprintf("%v", req.GetView()))
	}

	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&%s=%v", "project", url.QueryEscape(req.GetProject()), "zone", url.QueryEscape(req.GetZone()), "parent_name", url.QueryEscape(req.GetParentName()), "reservation_sub_block", url.QueryEscape(req.GetReservationSubBlock()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/Get")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_name=reservations/*/reservationBlocks/*}/reservationSubBlocks/{reservation_sub_block}")
	}
	opts = append((*c.CallOptions).Get[0:len((*c.CallOptions).Get):len((*c.CallOptions).Get)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.ReservationSubBlocksGetResponse{}
	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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, nil, "Get")
		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
}

// GetIamPolicy gets the access control policy for a resource. May be empty if no such
// policy or resource exists.
func (c *reservationSubBlocksRESTClient) GetIamPolicy(ctx context.Context, req *computepb.GetIamPolicyReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.Policy, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/getIamPolicy", req.GetProject(), req.GetZone(), req.GetParentResource(), req.GetResource())

	params := url.Values{}
	if req != nil && req.OptionsRequestedPolicyVersion != nil {
		params.Add("optionsRequestedPolicyVersion", fmt.Sprintf("%v", req.GetOptionsRequestedPolicyVersion()))
	}

	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&%s=%v", "project", url.QueryEscape(req.GetProject()), "zone", url.QueryEscape(req.GetZone()), "parent_resource", url.QueryEscape(req.GetParentResource()), "resource", url.QueryEscape(req.GetResource()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/GetIamPolicy")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_resource=reservations/*/reservationBlocks/*}/reservationSubBlocks/{resource}/getIamPolicy")
	}
	opts = append((*c.CallOptions).GetIamPolicy[0:len((*c.CallOptions).GetIamPolicy):len((*c.CallOptions).GetIamPolicy)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.Policy{}
	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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, nil, "GetIamPolicy")
		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
}

// GetVersion allows customers to get SBOM versions of a reservation subBlock.
func (c *reservationSubBlocksRESTClient) GetVersion(ctx context.Context, req *computepb.GetVersionReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	m := protojson.MarshalOptions{AllowPartial: true}
	body := req.GetReservationSubBlocksGetVersionRequestResource()
	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/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/getVersion", req.GetProject(), req.GetZone(), req.GetParentName(), req.GetReservationSubBlock())

	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&%s=%v", "project", url.QueryEscape(req.GetProject()), "zone", url.QueryEscape(req.GetZone()), "parent_name", url.QueryEscape(req.GetParentName()), "reservation_sub_block", url.QueryEscape(req.GetReservationSubBlock()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/GetVersion")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_name=reservations/*/reservationBlocks/*}/reservationSubBlocks/{reservation_sub_block}/getVersion")
	}
	opts = append((*c.CallOptions).GetVersion[0:len((*c.CallOptions).GetVersion):len((*c.CallOptions).GetVersion)], 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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, jsonReq, "GetVersion")
		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{
		&zoneOperationsHandle{
			c:       c.operationClient,
			proto:   resp,
			project: req.GetProject(),
			zone:    req.GetZone(),
		},
	}
	return op, nil
}

// List retrieves a list of reservation subBlocks under a single reservation.
func (c *reservationSubBlocksRESTClient) List(ctx context.Context, req *computepb.ListReservationSubBlocksRequest, opts ...gax.CallOption) *ReservationSubBlockIterator {
	it := &ReservationSubBlockIterator{}
	req = proto.CloneOf(req)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*computepb.ReservationSubBlock, string, error) {
		resp := &computepb.ReservationSubBlocksListResponse{}
		if pageToken != "" {
			req.PageToken = proto.String(pageToken)
		}
		if pageSize > math.MaxInt32 {
			req.MaxResults = proto.Uint32(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/beta/projects/%v/zones/%v/%v/reservationSubBlocks", req.GetProject(), req.GetZone(), req.GetParentName())

		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

			buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, nil, "List")
			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
}

// PerformMaintenance allows customers to perform maintenance on a reservation subBlock
func (c *reservationSubBlocksRESTClient) PerformMaintenance(ctx context.Context, req *computepb.PerformMaintenanceReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/compute/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/performMaintenance", req.GetProject(), req.GetZone(), req.GetParentName(), req.GetReservationSubBlock())

	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&%s=%v", "project", url.QueryEscape(req.GetProject()), "zone", url.QueryEscape(req.GetZone()), "parent_name", url.QueryEscape(req.GetParentName()), "reservation_sub_block", url.QueryEscape(req.GetReservationSubBlock()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/PerformMaintenance")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_name=reservations/*/reservationBlocks/*}/reservationSubBlocks/{reservation_sub_block}/performMaintenance")
	}
	opts = append((*c.CallOptions).PerformMaintenance[0:len((*c.CallOptions).PerformMaintenance):len((*c.CallOptions).PerformMaintenance)], 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(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, nil, "PerformMaintenance")
		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{
		&zoneOperationsHandle{
			c:       c.operationClient,
			proto:   resp,
			project: req.GetProject(),
			zone:    req.GetZone(),
		},
	}
	return op, nil
}

// ReportFaulty allows customers to report a faulty subBlock.
func (c *reservationSubBlocksRESTClient) ReportFaulty(ctx context.Context, req *computepb.ReportFaultyReservationSubBlockRequest, opts ...gax.CallOption) (*Operation, error) {
	m := protojson.MarshalOptions{AllowPartial: true}
	body := req.GetReservationSubBlocksReportFaultyRequestResource()
	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/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/reportFaulty", req.GetProject(), req.GetZone(), req.GetParentName(), req.GetReservationSubBlock())

	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&%s=%v", "project", url.QueryEscape(req.GetProject()), "zone", url.QueryEscape(req.GetZone()), "parent_name", url.QueryEscape(req.GetParentName()), "reservation_sub_block", url.QueryEscape(req.GetReservationSubBlock()))}

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/ReportFaulty")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_name=reservations/*/reservationBlocks/*}/reservationSubBlocks/{reservation_sub_block}/reportFaulty")
	}
	opts = append((*c.CallOptions).ReportFaulty[0:len((*c.CallOptions).ReportFaulty):len((*c.CallOptions).ReportFaulty)], 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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, jsonReq, "ReportFaulty")
		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{
		&zoneOperationsHandle{
			c:       c.operationClient,
			proto:   resp,
			project: req.GetProject(),
			zone:    req.GetZone(),
		},
	}
	return op, nil
}

// SetIamPolicy sets the access control policy on the specified resource.
// Replaces any existing policy.
func (c *reservationSubBlocksRESTClient) SetIamPolicy(ctx context.Context, req *computepb.SetIamPolicyReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.Policy, error) {
	m := protojson.MarshalOptions{AllowPartial: true}
	body := req.GetZoneSetNestedPolicyRequestResource()
	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/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/setIamPolicy", req.GetProject(), req.GetZone(), req.GetParentResource(), req.GetResource())

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

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/SetIamPolicy")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_resource=reservations/*/reservationBlocks/*}/reservationSubBlocks/{resource}/setIamPolicy")
	}
	opts = append((*c.CallOptions).SetIamPolicy[0:len((*c.CallOptions).SetIamPolicy):len((*c.CallOptions).SetIamPolicy)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.Policy{}
	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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, jsonReq, "SetIamPolicy")
		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
}

// TestIamPermissions returns permissions that a caller has on the specified resource.
func (c *reservationSubBlocksRESTClient) TestIamPermissions(ctx context.Context, req *computepb.TestIamPermissionsReservationSubBlockRequest, opts ...gax.CallOption) (*computepb.TestPermissionsResponse, error) {
	m := protojson.MarshalOptions{AllowPartial: true}
	body := req.GetTestPermissionsRequestResource()
	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/beta/projects/%v/zones/%v/%v/reservationSubBlocks/%v/testIamPermissions", req.GetProject(), req.GetZone(), req.GetParentResource(), req.GetResource())

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

	hds = append(c.xGoogHeaders, hds...)
	hds = append(hds, "Content-Type", "application/json")
	headers := gax.BuildHeaders(ctx, hds...)
	if gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "resource_name", fmt.Sprintf("//compute.googleapis.com//compute/beta/projects/%v/zones/%v", req.GetProject(), req.GetZone()))
	}
	if gax.IsFeatureEnabled("METRICS") || gax.IsFeatureEnabled("TRACING") || gax.IsFeatureEnabled("LOGGING") {
		ctx = callctx.WithTelemetryContext(ctx, "rpc_method", "google.cloud.compute.v1beta.ReservationSubBlocks/TestIamPermissions")
		ctx = callctx.WithTelemetryContext(ctx, "url_template", "/compute/beta/projects/{project}/zones/{zone}/{parent_resource=reservations/*/reservationBlocks/*}/reservationSubBlocks/{resource}/testIamPermissions")
	}
	opts = append((*c.CallOptions).TestIamPermissions[0:len((*c.CallOptions).TestIamPermissions):len((*c.CallOptions).TestIamPermissions)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &computepb.TestPermissionsResponse{}
	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

		buf, err := executeHTTPRequest(ctx, c.httpClient, httpReq, c.logger, jsonReq, "TestIamPermissions")
		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
}
