// 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 certificatemanager

import (
	"context"
	"time"

	certificatemanagerpb "cloud.google.com/go/certificatemanager/apiv1/certificatemanagerpb"
	"cloud.google.com/go/longrunning"
	longrunningpb "cloud.google.com/go/longrunning/autogen/longrunningpb"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/iterator"
	locationpb "google.golang.org/genproto/googleapis/cloud/location"
)

// CreateCertificateIssuanceConfigOperation manages a long-running operation from CreateCertificateIssuanceConfig.
type CreateCertificateIssuanceConfigOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateCertificateIssuanceConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateIssuanceConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateIssuanceConfig
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateCertificateIssuanceConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateIssuanceConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateIssuanceConfig
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateCertificateIssuanceConfigOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateCertificateIssuanceConfigOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateCertificateIssuanceConfigOperation) Name() string {
	return op.lro.Name()
}

// CreateCertificateMapEntryOperation manages a long-running operation from CreateCertificateMapEntry.
type CreateCertificateMapEntryOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateCertificateMapEntryOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMapEntry, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMapEntry
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateCertificateMapEntryOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMapEntry, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMapEntry
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateCertificateMapEntryOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateCertificateMapEntryOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateCertificateMapEntryOperation) Name() string {
	return op.lro.Name()
}

// CreateCertificateMapOperation manages a long-running operation from CreateCertificateMap.
type CreateCertificateMapOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateCertificateMapOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMap, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMap
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateCertificateMapOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMap, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMap
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateCertificateMapOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateCertificateMapOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateCertificateMapOperation) Name() string {
	return op.lro.Name()
}

// CreateCertificateOperation manages a long-running operation from CreateCertificate.
type CreateCertificateOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateCertificateOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.Certificate, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.Certificate
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateCertificateOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.Certificate, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.Certificate
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateCertificateOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateCertificateOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateCertificateOperation) Name() string {
	return op.lro.Name()
}

// CreateDnsAuthorizationOperation manages a long-running operation from CreateDnsAuthorization.
type CreateDnsAuthorizationOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateDnsAuthorizationOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.DnsAuthorization, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.DnsAuthorization
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateDnsAuthorizationOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.DnsAuthorization, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.DnsAuthorization
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateDnsAuthorizationOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateDnsAuthorizationOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateDnsAuthorizationOperation) Name() string {
	return op.lro.Name()
}

// CreateTrustConfigOperation manages a long-running operation from CreateTrustConfig.
type CreateTrustConfigOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *CreateTrustConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.TrustConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.TrustConfig
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *CreateTrustConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.TrustConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.TrustConfig
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *CreateTrustConfigOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *CreateTrustConfigOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *CreateTrustConfigOperation) Name() string {
	return op.lro.Name()
}

// DeleteCertificateIssuanceConfigOperation manages a long-running operation from DeleteCertificateIssuanceConfig.
type DeleteCertificateIssuanceConfigOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteCertificateIssuanceConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteCertificateIssuanceConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteCertificateIssuanceConfigOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteCertificateIssuanceConfigOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteCertificateIssuanceConfigOperation) Name() string {
	return op.lro.Name()
}

// DeleteCertificateMapEntryOperation manages a long-running operation from DeleteCertificateMapEntry.
type DeleteCertificateMapEntryOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteCertificateMapEntryOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteCertificateMapEntryOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteCertificateMapEntryOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteCertificateMapEntryOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteCertificateMapEntryOperation) Name() string {
	return op.lro.Name()
}

// DeleteCertificateMapOperation manages a long-running operation from DeleteCertificateMap.
type DeleteCertificateMapOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteCertificateMapOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteCertificateMapOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteCertificateMapOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteCertificateMapOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteCertificateMapOperation) Name() string {
	return op.lro.Name()
}

// DeleteCertificateOperation manages a long-running operation from DeleteCertificate.
type DeleteCertificateOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteCertificateOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteCertificateOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteCertificateOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteCertificateOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteCertificateOperation) Name() string {
	return op.lro.Name()
}

// DeleteDnsAuthorizationOperation manages a long-running operation from DeleteDnsAuthorization.
type DeleteDnsAuthorizationOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteDnsAuthorizationOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteDnsAuthorizationOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteDnsAuthorizationOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteDnsAuthorizationOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteDnsAuthorizationOperation) Name() string {
	return op.lro.Name()
}

// DeleteTrustConfigOperation manages a long-running operation from DeleteTrustConfig.
type DeleteTrustConfigOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *DeleteTrustConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.WaitWithInterval(ctx, nil, time.Minute, opts...)
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *DeleteTrustConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) error {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	return op.lro.Poll(ctx, nil, opts...)
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *DeleteTrustConfigOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *DeleteTrustConfigOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *DeleteTrustConfigOperation) Name() string {
	return op.lro.Name()
}

// UpdateCertificateMapEntryOperation manages a long-running operation from UpdateCertificateMapEntry.
type UpdateCertificateMapEntryOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateCertificateMapEntryOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMapEntry, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMapEntry
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateCertificateMapEntryOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMapEntry, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMapEntry
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateCertificateMapEntryOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateCertificateMapEntryOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateCertificateMapEntryOperation) Name() string {
	return op.lro.Name()
}

// UpdateCertificateMapOperation manages a long-running operation from UpdateCertificateMap.
type UpdateCertificateMapOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateCertificateMapOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMap, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMap
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateCertificateMapOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.CertificateMap, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.CertificateMap
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateCertificateMapOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateCertificateMapOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateCertificateMapOperation) Name() string {
	return op.lro.Name()
}

// UpdateCertificateOperation manages a long-running operation from UpdateCertificate.
type UpdateCertificateOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateCertificateOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.Certificate, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.Certificate
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateCertificateOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.Certificate, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.Certificate
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateCertificateOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateCertificateOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateCertificateOperation) Name() string {
	return op.lro.Name()
}

// UpdateDnsAuthorizationOperation manages a long-running operation from UpdateDnsAuthorization.
type UpdateDnsAuthorizationOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateDnsAuthorizationOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.DnsAuthorization, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.DnsAuthorization
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateDnsAuthorizationOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.DnsAuthorization, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.DnsAuthorization
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateDnsAuthorizationOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateDnsAuthorizationOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateDnsAuthorizationOperation) Name() string {
	return op.lro.Name()
}

// UpdateTrustConfigOperation manages a long-running operation from UpdateTrustConfig.
type UpdateTrustConfigOperation struct {
	lro      *longrunning.Operation
	pollPath string
}

// Wait blocks until the long-running operation is completed, returning the response and any errors encountered.
//
// See documentation of Poll for error-handling information.
func (op *UpdateTrustConfigOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.TrustConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.TrustConfig
	if err := op.lro.WaitWithInterval(ctx, &resp, time.Minute, opts...); err != nil {
		return nil, err
	}
	return &resp, nil
}

// Poll fetches the latest state of the long-running operation.
//
// Poll also fetches the latest metadata, which can be retrieved by Metadata.
//
// If Poll fails, the error is returned and op is unmodified. If Poll succeeds and
// the operation has completed with failure, the error is returned and op.Done will return true.
// If Poll succeeds and the operation has completed successfully,
// op.Done will return true, and the response of the operation is returned.
// If Poll succeeds and the operation has not completed, the returned response and error are both nil.
func (op *UpdateTrustConfigOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*certificatemanagerpb.TrustConfig, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp certificatemanagerpb.TrustConfig
	if err := op.lro.Poll(ctx, &resp, opts...); err != nil {
		return nil, err
	}
	if !op.Done() {
		return nil, nil
	}
	return &resp, nil
}

// Metadata returns metadata associated with the long-running operation.
// Metadata itself does not contact the server, but Poll does.
// To get the latest metadata, call this method after a successful call to Poll.
// If the metadata is not available, the returned metadata and error are both nil.
func (op *UpdateTrustConfigOperation) Metadata() (*certificatemanagerpb.OperationMetadata, error) {
	var meta certificatemanagerpb.OperationMetadata
	if err := op.lro.Metadata(&meta); err == longrunning.ErrNoMetadata {
		return nil, nil
	} else if err != nil {
		return nil, err
	}
	return &meta, nil
}

// Done reports whether the long-running operation has completed.
func (op *UpdateTrustConfigOperation) Done() bool {
	return op.lro.Done()
}

// Name returns the name of the long-running operation.
// The name is assigned by the server and is unique within the service from which the operation is created.
func (op *UpdateTrustConfigOperation) Name() string {
	return op.lro.Name()
}

// CertificateIssuanceConfigIterator manages a stream of *certificatemanagerpb.CertificateIssuanceConfig.
type CertificateIssuanceConfigIterator struct {
	items    []*certificatemanagerpb.CertificateIssuanceConfig
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.CertificateIssuanceConfig, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *CertificateIssuanceConfigIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *CertificateIssuanceConfigIterator) Next() (*certificatemanagerpb.CertificateIssuanceConfig, error) {
	var item *certificatemanagerpb.CertificateIssuanceConfig
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// CertificateIterator manages a stream of *certificatemanagerpb.Certificate.
type CertificateIterator struct {
	items    []*certificatemanagerpb.Certificate
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.Certificate, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *CertificateIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *CertificateIterator) Next() (*certificatemanagerpb.Certificate, error) {
	var item *certificatemanagerpb.Certificate
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// CertificateMapEntryIterator manages a stream of *certificatemanagerpb.CertificateMapEntry.
type CertificateMapEntryIterator struct {
	items    []*certificatemanagerpb.CertificateMapEntry
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.CertificateMapEntry, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *CertificateMapEntryIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *CertificateMapEntryIterator) Next() (*certificatemanagerpb.CertificateMapEntry, error) {
	var item *certificatemanagerpb.CertificateMapEntry
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// CertificateMapIterator manages a stream of *certificatemanagerpb.CertificateMap.
type CertificateMapIterator struct {
	items    []*certificatemanagerpb.CertificateMap
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.CertificateMap, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *CertificateMapIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *CertificateMapIterator) Next() (*certificatemanagerpb.CertificateMap, error) {
	var item *certificatemanagerpb.CertificateMap
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// DnsAuthorizationIterator manages a stream of *certificatemanagerpb.DnsAuthorization.
type DnsAuthorizationIterator struct {
	items    []*certificatemanagerpb.DnsAuthorization
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.DnsAuthorization, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *DnsAuthorizationIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *DnsAuthorizationIterator) Next() (*certificatemanagerpb.DnsAuthorization, error) {
	var item *certificatemanagerpb.DnsAuthorization
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// LocationIterator manages a stream of *locationpb.Location.
type LocationIterator struct {
	items    []*locationpb.Location
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*locationpb.Location, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *LocationIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *LocationIterator) Next() (*locationpb.Location, error) {
	var item *locationpb.Location
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// OperationIterator manages a stream of *longrunningpb.Operation.
type OperationIterator struct {
	items    []*longrunningpb.Operation
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*longrunningpb.Operation, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *OperationIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *OperationIterator) Next() (*longrunningpb.Operation, error) {
	var item *longrunningpb.Operation
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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

// TrustConfigIterator manages a stream of *certificatemanagerpb.TrustConfig.
type TrustConfigIterator struct {
	items    []*certificatemanagerpb.TrustConfig
	pageInfo *iterator.PageInfo
	nextFunc func() error

	// Response is the raw response for the current page.
	// It must be cast to the RPC response type.
	// Calling Next() or InternalFetch() updates this value.
	Response interface{}

	// InternalFetch is for use by the Google Cloud Libraries only.
	// It is not part of the stable interface of this package.
	//
	// InternalFetch returns results from a single call to the underlying RPC.
	// The number of results is no greater than pageSize.
	// If there are no more results, nextPageToken is empty and err is nil.
	InternalFetch func(pageSize int, pageToken string) (results []*certificatemanagerpb.TrustConfig, nextPageToken string, err error)
}

// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *TrustConfigIterator) PageInfo() *iterator.PageInfo {
	return it.pageInfo
}

// Next returns the next result. Its second return value is iterator.Done if there are no more
// results. Once Next returns Done, all subsequent calls will return Done.
func (it *TrustConfigIterator) Next() (*certificatemanagerpb.TrustConfig, error) {
	var item *certificatemanagerpb.TrustConfig
	if err := it.nextFunc(); err != nil {
		return item, err
	}
	item = it.items[0]
	it.items = it.items[1:]
	return item, nil
}

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

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