errorreporting/apiv1beta1/error_stats_client.go - gocloud - Git at Google

 // Copyright 2020 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 errorreporting

 import (
 	"context"
 	"fmt"
 	"math"
 	"net/url"
 	"time"

 	"github.com/golang/protobuf/proto"
 	gax "github.com/googleapis/gax-go/v2"
 	"google.golang.org/api/iterator"
 	"google.golang.org/api/option"
 	gtransport "google.golang.org/api/transport/grpc"
 	clouderrorreportingpb "google.golang.org/genproto/googleapis/devtools/clouderrorreporting/v1beta1"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
 )

 var newErrorStatsClientHook clientHook

 // ErrorStatsCallOptions contains the retry settings for each method of ErrorStatsClient.
 type ErrorStatsCallOptions struct {
 	ListGroupStats []gax.CallOption
 	ListEvents     []gax.CallOption
 	DeleteEvents   []gax.CallOption
 }

 func defaultErrorStatsClientOptions() []option.ClientOption {
 	return []option.ClientOption{
 		option.WithEndpoint("clouderrorreporting.googleapis.com:443"),
 		option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
 		option.WithScopes(DefaultAuthScopes()...),
 		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
 			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
 	}
 }

 func defaultErrorStatsCallOptions() *ErrorStatsCallOptions {
 	return &ErrorStatsCallOptions{
 		ListGroupStats: []gax.CallOption{
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnCodes([]codes.Code{
 					codes.Unavailable,
 					codes.DeadlineExceeded,
 				}, gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.30,
 				})
 			}),
 		},
 		ListEvents: []gax.CallOption{
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnCodes([]codes.Code{
 					codes.Unavailable,
 					codes.DeadlineExceeded,
 				}, gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.30,
 				})
 			}),
 		},
 		DeleteEvents: []gax.CallOption{
 			gax.WithRetry(func() gax.Retryer {
 				return gax.OnCodes([]codes.Code{
 					codes.Unavailable,
 					codes.DeadlineExceeded,
 				}, gax.Backoff{
 					Initial:    100 * time.Millisecond,
 					Max:        60000 * time.Millisecond,
 					Multiplier: 1.30,
 				})
 			}),
 		},
 	}
 }

 // ErrorStatsClient is a client for interacting with Stackdriver Error Reporting API.
 //
 // Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
 type ErrorStatsClient struct {
 	// Connection pool of gRPC connections to the service.
 	connPool gtransport.ConnPool

 	// The gRPC API client.
 	errorStatsClient clouderrorreportingpb.ErrorStatsServiceClient

 	// The call options for this service.
 	CallOptions *ErrorStatsCallOptions

 	// The x-goog-* metadata to be sent with each request.
 	xGoogMetadata metadata.MD
 }

 // NewErrorStatsClient creates a new error stats service client.
 //
 // An API for retrieving and managing error statistics as well as data for
 // individual events.
 func NewErrorStatsClient(ctx context.Context, opts ...option.ClientOption) (*ErrorStatsClient, error) {
 	clientOpts := defaultErrorStatsClientOptions()

 	if newErrorStatsClientHook != nil {
 		hookOpts, err := newErrorStatsClientHook(ctx, clientHookParams{})
 		if err != nil {
 			return nil, err
 		}
 		clientOpts = append(clientOpts, hookOpts...)
 	}

 	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
 	if err != nil {
 		return nil, err
 	}
 	c := &ErrorStatsClient{
 		connPool:    connPool,
 		CallOptions: defaultErrorStatsCallOptions(),

 		errorStatsClient: clouderrorreportingpb.NewErrorStatsServiceClient(connPool),
 	}
 	c.setGoogleClientInfo()

 	return c, nil
 }

 // Connection returns a connection to the API service.
 //
 // Deprecated.
 func (c *ErrorStatsClient) Connection() *grpc.ClientConn {
 	return c.connPool.Conn()
 }

 // Close closes the connection to the API service. The user should invoke this when
 // the client is no longer required.
 func (c *ErrorStatsClient) Close() error {
 	return c.connPool.Close()
 }

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

 // ListGroupStats lists the specified groups.
 func (c *ErrorStatsClient) ListGroupStats(ctx context.Context, req *clouderrorreportingpb.ListGroupStatsRequest, opts ...gax.CallOption) *ErrorGroupStatsIterator {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.ListGroupStats[0:len(c.CallOptions.ListGroupStats):len(c.CallOptions.ListGroupStats)], opts...)
 	it := &ErrorGroupStatsIterator{}
 	req = proto.Clone(req).(*clouderrorreportingpb.ListGroupStatsRequest)
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*clouderrorreportingpb.ErrorGroupStats, string, error) {
 		var resp *clouderrorreportingpb.ListGroupStatsResponse
 		req.PageToken = pageToken
 		if pageSize > math.MaxInt32 {
 			req.PageSize = math.MaxInt32
 		} else {
 			req.PageSize = int32(pageSize)
 		}
 		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 			var err error
 			resp, err = c.errorStatsClient.ListGroupStats(ctx, req, settings.GRPC...)
 			return err
 		}, opts...)
 		if err != nil {
 			return nil, "", err
 		}

 		it.Response = resp
 		return resp.GetErrorGroupStats(), resp.GetNextPageToken(), nil
 	}
 	fetch := func(pageSize int, pageToken string) (string, error) {
 		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
 		if err != nil {
 			return "", err
 		}
 		it.items = append(it.items, items...)
 		return nextPageToken, nil
 	}
 	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
 	it.pageInfo.MaxSize = int(req.GetPageSize())
 	it.pageInfo.Token = req.GetPageToken()
 	return it
 }

 // ListEvents lists the specified events.
 func (c *ErrorStatsClient) ListEvents(ctx context.Context, req *clouderrorreportingpb.ListEventsRequest, opts ...gax.CallOption) *ErrorEventIterator {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.ListEvents[0:len(c.CallOptions.ListEvents):len(c.CallOptions.ListEvents)], opts...)
 	it := &ErrorEventIterator{}
 	req = proto.Clone(req).(*clouderrorreportingpb.ListEventsRequest)
 	it.InternalFetch = func(pageSize int, pageToken string) ([]*clouderrorreportingpb.ErrorEvent, string, error) {
 		var resp *clouderrorreportingpb.ListEventsResponse
 		req.PageToken = pageToken
 		if pageSize > math.MaxInt32 {
 			req.PageSize = math.MaxInt32
 		} else {
 			req.PageSize = int32(pageSize)
 		}
 		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 			var err error
 			resp, err = c.errorStatsClient.ListEvents(ctx, req, settings.GRPC...)
 			return err
 		}, opts...)
 		if err != nil {
 			return nil, "", err
 		}

 		it.Response = resp
 		return resp.GetErrorEvents(), resp.GetNextPageToken(), nil
 	}
 	fetch := func(pageSize int, pageToken string) (string, error) {
 		items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
 		if err != nil {
 			return "", err
 		}
 		it.items = append(it.items, items...)
 		return nextPageToken, nil
 	}
 	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
 	it.pageInfo.MaxSize = int(req.GetPageSize())
 	it.pageInfo.Token = req.GetPageToken()
 	return it
 }

 // DeleteEvents deletes all error events of a given project.
 func (c *ErrorStatsClient) DeleteEvents(ctx context.Context, req *clouderrorreportingpb.DeleteEventsRequest, opts ...gax.CallOption) (*clouderrorreportingpb.DeleteEventsResponse, error) {
 	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
 	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
 	opts = append(c.CallOptions.DeleteEvents[0:len(c.CallOptions.DeleteEvents):len(c.CallOptions.DeleteEvents)], opts...)
 	var resp *clouderrorreportingpb.DeleteEventsResponse
 	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
 		var err error
 		resp, err = c.errorStatsClient.DeleteEvents(ctx, req, settings.GRPC...)
 		return err
 	}, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return resp, nil
 }

 // ErrorEventIterator manages a stream of *clouderrorreportingpb.ErrorEvent.
 type ErrorEventIterator struct {
 	items    []*clouderrorreportingpb.ErrorEvent
 	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 []*clouderrorreportingpb.ErrorEvent, nextPageToken string, err error)
 }

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

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

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

 // ErrorGroupStatsIterator manages a stream of *clouderrorreportingpb.ErrorGroupStats.
 type ErrorGroupStatsIterator struct {
 	items    []*clouderrorreportingpb.ErrorGroupStats
 	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 []*clouderrorreportingpb.ErrorGroupStats, nextPageToken string, err error)
 }

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

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

 func (it *ErrorGroupStatsIterator) takeBuf() interface{} {
 	b := it.items
 	it.items = nil
 	return b
 }
	// Copyright 2020 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 errorreporting

	import (
	"context"
	"fmt"
	"math"
	"net/url"
	"time"

	"github.com/golang/protobuf/proto"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	gtransport "google.golang.org/api/transport/grpc"
	clouderrorreportingpb "google.golang.org/genproto/googleapis/devtools/clouderrorreporting/v1beta1"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/metadata"
	)

	var newErrorStatsClientHook clientHook

	// ErrorStatsCallOptions contains the retry settings for each method of ErrorStatsClient.
	type ErrorStatsCallOptions struct {
	ListGroupStats []gax.CallOption
	ListEvents []gax.CallOption
	DeleteEvents []gax.CallOption
	}

	func defaultErrorStatsClientOptions() []option.ClientOption {
	return []option.ClientOption{
	option.WithEndpoint("clouderrorreporting.googleapis.com:443"),
	option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
	option.WithScopes(DefaultAuthScopes()...),
	option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
	grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
	}

	func defaultErrorStatsCallOptions() *ErrorStatsCallOptions {
	return &ErrorStatsCallOptions{
	ListGroupStats: []gax.CallOption{
	gax.WithRetry(func() gax.Retryer {
	return gax.OnCodes([]codes.Code{
	codes.Unavailable,
	codes.DeadlineExceeded,
	}, gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.30,
	})
	}),
	},
	ListEvents: []gax.CallOption{
	gax.WithRetry(func() gax.Retryer {
	return gax.OnCodes([]codes.Code{
	codes.Unavailable,
	codes.DeadlineExceeded,
	}, gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.30,
	})
	}),
	},
	DeleteEvents: []gax.CallOption{
	gax.WithRetry(func() gax.Retryer {
	return gax.OnCodes([]codes.Code{
	codes.Unavailable,
	codes.DeadlineExceeded,
	}, gax.Backoff{
	Initial: 100 * time.Millisecond,
	Max: 60000 * time.Millisecond,
	Multiplier: 1.30,
	})
	}),
	},
	}
	}

	// ErrorStatsClient is a client for interacting with Stackdriver Error Reporting API.
	//
	// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
	type ErrorStatsClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// The gRPC API client.
	errorStatsClient clouderrorreportingpb.ErrorStatsServiceClient

	// The call options for this service.
	CallOptions *ErrorStatsCallOptions

	// The x-goog-* metadata to be sent with each request.
	xGoogMetadata metadata.MD
	}

	// NewErrorStatsClient creates a new error stats service client.
	//
	// An API for retrieving and managing error statistics as well as data for
	// individual events.
	func NewErrorStatsClient(ctx context.Context, opts ...option.ClientOption) (*ErrorStatsClient, error) {
	clientOpts := defaultErrorStatsClientOptions()

	if newErrorStatsClientHook != nil {
	hookOpts, err := newErrorStatsClientHook(ctx, clientHookParams{})
	if err != nil {
	return nil, err
	}
	clientOpts = append(clientOpts, hookOpts...)
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
	return nil, err
	}
	c := &ErrorStatsClient{
	connPool: connPool,
	CallOptions: defaultErrorStatsCallOptions(),

	errorStatsClient: clouderrorreportingpb.NewErrorStatsServiceClient(connPool),
	}
	c.setGoogleClientInfo()

	return c, nil
	}

	// Connection returns a connection to the API service.
	//
	// Deprecated.
	func (c ErrorStatsClient) Connection() grpc.ClientConn {
	return c.connPool.Conn()
	}

	// Close closes the connection to the API service. The user should invoke this when
	// the client is no longer required.
	func (c *ErrorStatsClient) Close() error {
	return c.connPool.Close()
	}

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

	// ListGroupStats lists the specified groups.
	func (c ErrorStatsClient) ListGroupStats(ctx context.Context, req clouderrorreportingpb.ListGroupStatsRequest, opts ...gax.CallOption) *ErrorGroupStatsIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.ListGroupStats[0:len(c.CallOptions.ListGroupStats):len(c.CallOptions.ListGroupStats)], opts...)
	it := &ErrorGroupStatsIterator{}
	req = proto.Clone(req).(*clouderrorreportingpb.ListGroupStatsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*clouderrorreportingpb.ErrorGroupStats, string, error) {
	var resp *clouderrorreportingpb.ListGroupStatsResponse
	req.PageToken = pageToken
	if pageSize > math.MaxInt32 {
	req.PageSize = math.MaxInt32
	} else {
	req.PageSize = int32(pageSize)
	}
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.errorStatsClient.ListGroupStats(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, "", err
	}

	it.Response = resp
	return resp.GetErrorGroupStats(), resp.GetNextPageToken(), nil
	}
	fetch := func(pageSize int, pageToken string) (string, error) {
	items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
	if err != nil {
	return "", err
	}
	it.items = append(it.items, items...)
	return nextPageToken, nil
	}
	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
	it.pageInfo.MaxSize = int(req.GetPageSize())
	it.pageInfo.Token = req.GetPageToken()
	return it
	}

	// ListEvents lists the specified events.
	func (c ErrorStatsClient) ListEvents(ctx context.Context, req clouderrorreportingpb.ListEventsRequest, opts ...gax.CallOption) *ErrorEventIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.ListEvents[0:len(c.CallOptions.ListEvents):len(c.CallOptions.ListEvents)], opts...)
	it := &ErrorEventIterator{}
	req = proto.Clone(req).(*clouderrorreportingpb.ListEventsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*clouderrorreportingpb.ErrorEvent, string, error) {
	var resp *clouderrorreportingpb.ListEventsResponse
	req.PageToken = pageToken
	if pageSize > math.MaxInt32 {
	req.PageSize = math.MaxInt32
	} else {
	req.PageSize = int32(pageSize)
	}
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.errorStatsClient.ListEvents(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, "", err
	}

	it.Response = resp
	return resp.GetErrorEvents(), resp.GetNextPageToken(), nil
	}
	fetch := func(pageSize int, pageToken string) (string, error) {
	items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
	if err != nil {
	return "", err
	}
	it.items = append(it.items, items...)
	return nextPageToken, nil
	}
	it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
	it.pageInfo.MaxSize = int(req.GetPageSize())
	it.pageInfo.Token = req.GetPageToken()
	return it
	}

	// DeleteEvents deletes all error events of a given project.
	func (c ErrorStatsClient) DeleteEvents(ctx context.Context, req clouderrorreportingpb.DeleteEventsRequest, opts ...gax.CallOption) (*clouderrorreportingpb.DeleteEventsResponse, error) {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "project_name", url.QueryEscape(req.GetProjectName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append(c.CallOptions.DeleteEvents[0:len(c.CallOptions.DeleteEvents):len(c.CallOptions.DeleteEvents)], opts...)
	var resp *clouderrorreportingpb.DeleteEventsResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
	var err error
	resp, err = c.errorStatsClient.DeleteEvents(ctx, req, settings.GRPC...)
	return err
	}, opts...)
	if err != nil {
	return nil, err
	}
	return resp, nil
	}

	// ErrorEventIterator manages a stream of *clouderrorreportingpb.ErrorEvent.
	type ErrorEventIterator struct {
	items []*clouderrorreportingpb.ErrorEvent
	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 []*clouderrorreportingpb.ErrorEvent, nextPageToken string, err error)
	}

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

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

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

	// ErrorGroupStatsIterator manages a stream of *clouderrorreportingpb.ErrorGroupStats.
	type ErrorGroupStatsIterator struct {
	items []*clouderrorreportingpb.ErrorGroupStats
	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 []*clouderrorreportingpb.ErrorGroupStats, nextPageToken string, err error)
	}

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

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

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