datacatalog/apiv1/auxiliary.go - third_party/github.com/googleapis/google-cloud-go - Git at Google

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

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

 package datacatalog

 import (
 	"context"
 	"time"

 	datacatalogpb "cloud.google.com/go/datacatalog/apiv1/datacatalogpb"
 	"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"
 )

 // ImportEntriesOperation manages a long-running operation from ImportEntries.
 type ImportEntriesOperation 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 *ImportEntriesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*datacatalogpb.ImportEntriesResponse, error) {
 	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
 	var resp datacatalogpb.ImportEntriesResponse
 	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 *ImportEntriesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*datacatalogpb.ImportEntriesResponse, error) {
 	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
 	var resp datacatalogpb.ImportEntriesResponse
 	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 *ImportEntriesOperation) Metadata() (*datacatalogpb.ImportEntriesMetadata, error) {
 	var meta datacatalogpb.ImportEntriesMetadata
 	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 *ImportEntriesOperation) 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 *ImportEntriesOperation) Name() string {
 	return op.lro.Name()
 }

 // ReconcileTagsOperation manages a long-running operation from ReconcileTags.
 type ReconcileTagsOperation 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 *ReconcileTagsOperation) Wait(ctx context.Context, opts ...gax.CallOption) (*datacatalogpb.ReconcileTagsResponse, error) {
 	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
 	var resp datacatalogpb.ReconcileTagsResponse
 	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 *ReconcileTagsOperation) Poll(ctx context.Context, opts ...gax.CallOption) (*datacatalogpb.ReconcileTagsResponse, error) {
 	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
 	var resp datacatalogpb.ReconcileTagsResponse
 	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 *ReconcileTagsOperation) Metadata() (*datacatalogpb.ReconcileTagsMetadata, error) {
 	var meta datacatalogpb.ReconcileTagsMetadata
 	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 *ReconcileTagsOperation) 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 *ReconcileTagsOperation) Name() string {
 	return op.lro.Name()
 }

 // EntryGroupIterator manages a stream of *datacatalogpb.EntryGroup.
 type EntryGroupIterator struct {
 	items    []*datacatalogpb.EntryGroup
 	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 []*datacatalogpb.EntryGroup, nextPageToken string, err error)
 }

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

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

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

 // EntryIterator manages a stream of *datacatalogpb.Entry.
 type EntryIterator struct {
 	items    []*datacatalogpb.Entry
 	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 []*datacatalogpb.Entry, nextPageToken string, err error)
 }

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

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

 func (it *EntryIterator) 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
 }

 // PolicyTagIterator manages a stream of *datacatalogpb.PolicyTag.
 type PolicyTagIterator struct {
 	items    []*datacatalogpb.PolicyTag
 	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 []*datacatalogpb.PolicyTag, nextPageToken string, err error)
 }

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

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

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

 // SearchCatalogResultIterator manages a stream of *datacatalogpb.SearchCatalogResult.
 type SearchCatalogResultIterator struct {
 	items    []*datacatalogpb.SearchCatalogResult
 	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 []*datacatalogpb.SearchCatalogResult, nextPageToken string, err error)
 }

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

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

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

 // TagIterator manages a stream of *datacatalogpb.Tag.
 type TagIterator struct {
 	items    []*datacatalogpb.Tag
 	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 []*datacatalogpb.Tag, nextPageToken string, err error)
 }

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

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

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

 // TaxonomyIterator manages a stream of *datacatalogpb.Taxonomy.
 type TaxonomyIterator struct {
 	items    []*datacatalogpb.Taxonomy
 	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 []*datacatalogpb.Taxonomy, nextPageToken string, err error)
 }

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

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

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

	import (
	"context"
	"time"

	datacatalogpb "cloud.google.com/go/datacatalog/apiv1/datacatalogpb"
	"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"
	)

	// ImportEntriesOperation manages a long-running operation from ImportEntries.
	type ImportEntriesOperation 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 ImportEntriesOperation) Wait(ctx context.Context, opts ...gax.CallOption) (datacatalogpb.ImportEntriesResponse, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp datacatalogpb.ImportEntriesResponse
	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 ImportEntriesOperation) Poll(ctx context.Context, opts ...gax.CallOption) (datacatalogpb.ImportEntriesResponse, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp datacatalogpb.ImportEntriesResponse
	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 ImportEntriesOperation) Metadata() (datacatalogpb.ImportEntriesMetadata, error) {
	var meta datacatalogpb.ImportEntriesMetadata
	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 *ImportEntriesOperation) 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 *ImportEntriesOperation) Name() string {
	return op.lro.Name()
	}

	// ReconcileTagsOperation manages a long-running operation from ReconcileTags.
	type ReconcileTagsOperation 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 ReconcileTagsOperation) Wait(ctx context.Context, opts ...gax.CallOption) (datacatalogpb.ReconcileTagsResponse, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp datacatalogpb.ReconcileTagsResponse
	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 ReconcileTagsOperation) Poll(ctx context.Context, opts ...gax.CallOption) (datacatalogpb.ReconcileTagsResponse, error) {
	opts = append([]gax.CallOption{gax.WithPath(op.pollPath)}, opts...)
	var resp datacatalogpb.ReconcileTagsResponse
	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 ReconcileTagsOperation) Metadata() (datacatalogpb.ReconcileTagsMetadata, error) {
	var meta datacatalogpb.ReconcileTagsMetadata
	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 *ReconcileTagsOperation) 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 *ReconcileTagsOperation) Name() string {
	return op.lro.Name()
	}

	// EntryGroupIterator manages a stream of *datacatalogpb.EntryGroup.
	type EntryGroupIterator struct {
	items []*datacatalogpb.EntryGroup
	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 []*datacatalogpb.EntryGroup, nextPageToken string, err error)
	}

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

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

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

	// EntryIterator manages a stream of *datacatalogpb.Entry.
	type EntryIterator struct {
	items []*datacatalogpb.Entry
	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 []*datacatalogpb.Entry, nextPageToken string, err error)
	}

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

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

	func (it *EntryIterator) 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
	}

	// PolicyTagIterator manages a stream of *datacatalogpb.PolicyTag.
	type PolicyTagIterator struct {
	items []*datacatalogpb.PolicyTag
	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 []*datacatalogpb.PolicyTag, nextPageToken string, err error)
	}

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

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

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

	// SearchCatalogResultIterator manages a stream of *datacatalogpb.SearchCatalogResult.
	type SearchCatalogResultIterator struct {
	items []*datacatalogpb.SearchCatalogResult
	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 []*datacatalogpb.SearchCatalogResult, nextPageToken string, err error)
	}

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

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

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

	// TagIterator manages a stream of *datacatalogpb.Tag.
	type TagIterator struct {
	items []*datacatalogpb.Tag
	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 []*datacatalogpb.Tag, nextPageToken string, err error)
	}

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

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

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

	// TaxonomyIterator manages a stream of *datacatalogpb.Taxonomy.
	type TaxonomyIterator struct {
	items []*datacatalogpb.Taxonomy
	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 []*datacatalogpb.Taxonomy, nextPageToken string, err error)
	}

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

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

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