grafeas_v1_beta1_client.go

// Copyright 2023 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 containeranalysis

import (
	"bytes"
	"context"
	"fmt"
	"io/ioutil"
	"math"
	"net/http"
	"net/url"
	"time"

	grafeaspb "cloud.google.com/go/containeranalysis/apiv1beta1/grafeas/grafeaspb"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/googleapi"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	httptransport "google.golang.org/api/transport/http"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/metadata"
	"google.golang.org/protobuf/encoding/protojson"
	"google.golang.org/protobuf/proto"
)

var newGrafeasV1Beta1ClientHook clientHook

// GrafeasV1Beta1CallOptions contains the retry settings for each method of GrafeasV1Beta1Client.
type GrafeasV1Beta1CallOptions struct {
	GetOccurrence                      []gax.CallOption
	ListOccurrences                    []gax.CallOption
	DeleteOccurrence                   []gax.CallOption
	CreateOccurrence                   []gax.CallOption
	BatchCreateOccurrences             []gax.CallOption
	UpdateOccurrence                   []gax.CallOption
	GetOccurrenceNote                  []gax.CallOption
	GetNote                            []gax.CallOption
	ListNotes                          []gax.CallOption
	DeleteNote                         []gax.CallOption
	CreateNote                         []gax.CallOption
	BatchCreateNotes                   []gax.CallOption
	UpdateNote                         []gax.CallOption
	ListNoteOccurrences                []gax.CallOption
	GetVulnerabilityOccurrencesSummary []gax.CallOption
}

func defaultGrafeasV1Beta1GRPCClientOptions() []option.ClientOption {
	return []option.ClientOption{
		internaloption.WithDefaultEndpoint("containeranalysis.googleapis.com:443"),
		internaloption.WithDefaultMTLSEndpoint("containeranalysis.mtls.googleapis.com:443"),
		internaloption.WithDefaultAudience("https://containeranalysis.googleapis.com/"),
		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
		internaloption.EnableJwtWithScope(),
		option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
			grpc.MaxCallRecvMsgSize(math.MaxInt32))),
	}
}

func defaultGrafeasV1Beta1CallOptions() *GrafeasV1Beta1CallOptions {
	return &GrafeasV1Beta1CallOptions{
		GetOccurrence: []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,
				})
			}),
		},
		ListOccurrences: []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,
				})
			}),
		},
		DeleteOccurrence: []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,
				})
			}),
		},
		CreateOccurrence:       []gax.CallOption{},
		BatchCreateOccurrences: []gax.CallOption{},
		UpdateOccurrence:       []gax.CallOption{},
		GetOccurrenceNote: []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,
				})
			}),
		},
		GetNote: []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,
				})
			}),
		},
		ListNotes: []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,
				})
			}),
		},
		DeleteNote: []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,
				})
			}),
		},
		CreateNote:       []gax.CallOption{},
		BatchCreateNotes: []gax.CallOption{},
		UpdateNote:       []gax.CallOption{},
		ListNoteOccurrences: []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,
				})
			}),
		},
		GetVulnerabilityOccurrencesSummary: []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,
				})
			}),
		},
	}
}

func defaultGrafeasV1Beta1RESTCallOptions() *GrafeasV1Beta1CallOptions {
	return &GrafeasV1Beta1CallOptions{
		GetOccurrence: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		ListOccurrences: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		DeleteOccurrence: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		CreateOccurrence:       []gax.CallOption{},
		BatchCreateOccurrences: []gax.CallOption{},
		UpdateOccurrence:       []gax.CallOption{},
		GetOccurrenceNote: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		GetNote: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		ListNotes: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		DeleteNote: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		CreateNote:       []gax.CallOption{},
		BatchCreateNotes: []gax.CallOption{},
		UpdateNote:       []gax.CallOption{},
		ListNoteOccurrences: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
		GetVulnerabilityOccurrencesSummary: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnHTTPCodes(gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				},
					http.StatusServiceUnavailable,
					http.StatusGatewayTimeout)
			}),
		},
	}
}

// internalGrafeasV1Beta1Client is an interface that defines the methods available from Container Analysis API.
type internalGrafeasV1Beta1Client interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	GetOccurrence(context.Context, *grafeaspb.GetOccurrenceRequest, ...gax.CallOption) (*grafeaspb.Occurrence, error)
	ListOccurrences(context.Context, *grafeaspb.ListOccurrencesRequest, ...gax.CallOption) *OccurrenceIterator
	DeleteOccurrence(context.Context, *grafeaspb.DeleteOccurrenceRequest, ...gax.CallOption) error
	CreateOccurrence(context.Context, *grafeaspb.CreateOccurrenceRequest, ...gax.CallOption) (*grafeaspb.Occurrence, error)
	BatchCreateOccurrences(context.Context, *grafeaspb.BatchCreateOccurrencesRequest, ...gax.CallOption) (*grafeaspb.BatchCreateOccurrencesResponse, error)
	UpdateOccurrence(context.Context, *grafeaspb.UpdateOccurrenceRequest, ...gax.CallOption) (*grafeaspb.Occurrence, error)
	GetOccurrenceNote(context.Context, *grafeaspb.GetOccurrenceNoteRequest, ...gax.CallOption) (*grafeaspb.Note, error)
	GetNote(context.Context, *grafeaspb.GetNoteRequest, ...gax.CallOption) (*grafeaspb.Note, error)
	ListNotes(context.Context, *grafeaspb.ListNotesRequest, ...gax.CallOption) *NoteIterator
	DeleteNote(context.Context, *grafeaspb.DeleteNoteRequest, ...gax.CallOption) error
	CreateNote(context.Context, *grafeaspb.CreateNoteRequest, ...gax.CallOption) (*grafeaspb.Note, error)
	BatchCreateNotes(context.Context, *grafeaspb.BatchCreateNotesRequest, ...gax.CallOption) (*grafeaspb.BatchCreateNotesResponse, error)
	UpdateNote(context.Context, *grafeaspb.UpdateNoteRequest, ...gax.CallOption) (*grafeaspb.Note, error)
	ListNoteOccurrences(context.Context, *grafeaspb.ListNoteOccurrencesRequest, ...gax.CallOption) *OccurrenceIterator
	GetVulnerabilityOccurrencesSummary(context.Context, *grafeaspb.GetVulnerabilityOccurrencesSummaryRequest, ...gax.CallOption) (*grafeaspb.VulnerabilityOccurrencesSummary, error)
}

// GrafeasV1Beta1Client is a client for interacting with Container Analysis API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// Grafeas (at grafeas.io) API.
//
// Retrieves analysis results of Cloud components such as Docker container
// images.
//
// Analysis results are stored as a series of occurrences. An Occurrence
// contains information about a specific analysis instance on a resource. An
// occurrence refers to a Note. A note contains details describing the
// analysis and is generally stored in a separate project, called a Provider.
// Multiple occurrences can refer to the same note.
//
// For example, an SSL vulnerability could affect multiple images. In this case,
// there would be one note for the vulnerability and an occurrence for each
// image with the vulnerability referring to that note.
type GrafeasV1Beta1Client struct {
	// The internal transport-dependent client.
	internalClient internalGrafeasV1Beta1Client

	// The call options for this service.
	CallOptions *GrafeasV1Beta1CallOptions
}

// Wrapper methods routed to the internal client.

// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *GrafeasV1Beta1Client) Close() error {
	return c.internalClient.Close()
}

// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *GrafeasV1Beta1Client) setGoogleClientInfo(keyval ...string) {
	c.internalClient.setGoogleClientInfo(keyval...)
}

// Connection returns a connection to the API service.
//
// Deprecated: Connections are now pooled so this method does not always
// return the same resource.
func (c *GrafeasV1Beta1Client) Connection() *grpc.ClientConn {
	return c.internalClient.Connection()
}

// GetOccurrence gets the specified occurrence.
func (c *GrafeasV1Beta1Client) GetOccurrence(ctx context.Context, req *grafeaspb.GetOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	return c.internalClient.GetOccurrence(ctx, req, opts...)
}

// ListOccurrences lists occurrences for the specified project.
func (c *GrafeasV1Beta1Client) ListOccurrences(ctx context.Context, req *grafeaspb.ListOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	return c.internalClient.ListOccurrences(ctx, req, opts...)
}

// DeleteOccurrence deletes the specified occurrence. For example, use this method to delete an
// occurrence when the occurrence is no longer applicable for the given
// resource.
func (c *GrafeasV1Beta1Client) DeleteOccurrence(ctx context.Context, req *grafeaspb.DeleteOccurrenceRequest, opts ...gax.CallOption) error {
	return c.internalClient.DeleteOccurrence(ctx, req, opts...)
}

// CreateOccurrence creates a new occurrence.
func (c *GrafeasV1Beta1Client) CreateOccurrence(ctx context.Context, req *grafeaspb.CreateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	return c.internalClient.CreateOccurrence(ctx, req, opts...)
}

// BatchCreateOccurrences creates new occurrences in batch.
func (c *GrafeasV1Beta1Client) BatchCreateOccurrences(ctx context.Context, req *grafeaspb.BatchCreateOccurrencesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateOccurrencesResponse, error) {
	return c.internalClient.BatchCreateOccurrences(ctx, req, opts...)
}

// UpdateOccurrence updates the specified occurrence.
func (c *GrafeasV1Beta1Client) UpdateOccurrence(ctx context.Context, req *grafeaspb.UpdateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	return c.internalClient.UpdateOccurrence(ctx, req, opts...)
}

// GetOccurrenceNote gets the note attached to the specified occurrence. Consumer projects can
// use this method to get a note that belongs to a provider project.
func (c *GrafeasV1Beta1Client) GetOccurrenceNote(ctx context.Context, req *grafeaspb.GetOccurrenceNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	return c.internalClient.GetOccurrenceNote(ctx, req, opts...)
}

// GetNote gets the specified note.
func (c *GrafeasV1Beta1Client) GetNote(ctx context.Context, req *grafeaspb.GetNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	return c.internalClient.GetNote(ctx, req, opts...)
}

// ListNotes lists notes for the specified project.
func (c *GrafeasV1Beta1Client) ListNotes(ctx context.Context, req *grafeaspb.ListNotesRequest, opts ...gax.CallOption) *NoteIterator {
	return c.internalClient.ListNotes(ctx, req, opts...)
}

// DeleteNote deletes the specified note.
func (c *GrafeasV1Beta1Client) DeleteNote(ctx context.Context, req *grafeaspb.DeleteNoteRequest, opts ...gax.CallOption) error {
	return c.internalClient.DeleteNote(ctx, req, opts...)
}

// CreateNote creates a new note.
func (c *GrafeasV1Beta1Client) CreateNote(ctx context.Context, req *grafeaspb.CreateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	return c.internalClient.CreateNote(ctx, req, opts...)
}

// BatchCreateNotes creates new notes in batch.
func (c *GrafeasV1Beta1Client) BatchCreateNotes(ctx context.Context, req *grafeaspb.BatchCreateNotesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateNotesResponse, error) {
	return c.internalClient.BatchCreateNotes(ctx, req, opts...)
}

// UpdateNote updates the specified note.
func (c *GrafeasV1Beta1Client) UpdateNote(ctx context.Context, req *grafeaspb.UpdateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	return c.internalClient.UpdateNote(ctx, req, opts...)
}

// ListNoteOccurrences lists occurrences referencing the specified note. Provider projects can use
// this method to get all occurrences across consumer projects referencing the
// specified note.
func (c *GrafeasV1Beta1Client) ListNoteOccurrences(ctx context.Context, req *grafeaspb.ListNoteOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	return c.internalClient.ListNoteOccurrences(ctx, req, opts...)
}

// GetVulnerabilityOccurrencesSummary gets a summary of the number and severity of occurrences.
func (c *GrafeasV1Beta1Client) GetVulnerabilityOccurrencesSummary(ctx context.Context, req *grafeaspb.GetVulnerabilityOccurrencesSummaryRequest, opts ...gax.CallOption) (*grafeaspb.VulnerabilityOccurrencesSummary, error) {
	return c.internalClient.GetVulnerabilityOccurrencesSummary(ctx, req, opts...)
}

// grafeasV1Beta1GRPCClient is a client for interacting with Container Analysis API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type grafeasV1Beta1GRPCClient struct {
	// Connection pool of gRPC connections to the service.
	connPool gtransport.ConnPool

	// flag to opt out of default deadlines via GOOGLE_API_GO_EXPERIMENTAL_DISABLE_DEFAULT_DEADLINE
	disableDeadlines bool

	// Points back to the CallOptions field of the containing GrafeasV1Beta1Client
	CallOptions **GrafeasV1Beta1CallOptions

	// The gRPC API client.
	grafeasV1Beta1Client grafeaspb.GrafeasV1Beta1Client

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

// NewGrafeasV1Beta1Client creates a new grafeas v1 beta1 client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// Grafeas (at grafeas.io) API.
//
// Retrieves analysis results of Cloud components such as Docker container
// images.
//
// Analysis results are stored as a series of occurrences. An Occurrence
// contains information about a specific analysis instance on a resource. An
// occurrence refers to a Note. A note contains details describing the
// analysis and is generally stored in a separate project, called a Provider.
// Multiple occurrences can refer to the same note.
//
// For example, an SSL vulnerability could affect multiple images. In this case,
// there would be one note for the vulnerability and an occurrence for each
// image with the vulnerability referring to that note.
func NewGrafeasV1Beta1Client(ctx context.Context, opts ...option.ClientOption) (*GrafeasV1Beta1Client, error) {
	clientOpts := defaultGrafeasV1Beta1GRPCClientOptions()
	if newGrafeasV1Beta1ClientHook != nil {
		hookOpts, err := newGrafeasV1Beta1ClientHook(ctx, clientHookParams{})
		if err != nil {
			return nil, err
		}
		clientOpts = append(clientOpts, hookOpts...)
	}

	disableDeadlines, err := checkDisableDeadlines()
	if err != nil {
		return nil, err
	}

	connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
	if err != nil {
		return nil, err
	}
	client := GrafeasV1Beta1Client{CallOptions: defaultGrafeasV1Beta1CallOptions()}

	c := &grafeasV1Beta1GRPCClient{
		connPool:             connPool,
		disableDeadlines:     disableDeadlines,
		grafeasV1Beta1Client: grafeaspb.NewGrafeasV1Beta1Client(connPool),
		CallOptions:          &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	return &client, nil
}

// Connection returns a connection to the API service.
//
// Deprecated: Connections are now pooled so this method does not always
// return the same resource.
func (c *grafeasV1Beta1GRPCClient) Connection() *grpc.ClientConn {
	return c.connPool.Conn()
}

// 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 *grafeasV1Beta1GRPCClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "grpc", grpc.Version)
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}

// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *grafeasV1Beta1GRPCClient) Close() error {
	return c.connPool.Close()
}

// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type grafeasV1Beta1RESTClient struct {
	// The http endpoint to connect to.
	endpoint string

	// The http client.
	httpClient *http.Client

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

	// Points back to the CallOptions field of the containing GrafeasV1Beta1Client
	CallOptions **GrafeasV1Beta1CallOptions
}

// NewGrafeasV1Beta1RESTClient creates a new grafeas v1 beta1 rest client.
//
// Grafeas (at grafeas.io) API.
//
// Retrieves analysis results of Cloud components such as Docker container
// images.
//
// Analysis results are stored as a series of occurrences. An Occurrence
// contains information about a specific analysis instance on a resource. An
// occurrence refers to a Note. A note contains details describing the
// analysis and is generally stored in a separate project, called a Provider.
// Multiple occurrences can refer to the same note.
//
// For example, an SSL vulnerability could affect multiple images. In this case,
// there would be one note for the vulnerability and an occurrence for each
// image with the vulnerability referring to that note.
func NewGrafeasV1Beta1RESTClient(ctx context.Context, opts ...option.ClientOption) (*GrafeasV1Beta1Client, error) {
	clientOpts := append(defaultGrafeasV1Beta1RESTClientOptions(), opts...)
	httpClient, endpoint, err := httptransport.NewClient(ctx, clientOpts...)
	if err != nil {
		return nil, err
	}

	callOpts := defaultGrafeasV1Beta1RESTCallOptions()
	c := &grafeasV1Beta1RESTClient{
		endpoint:    endpoint,
		httpClient:  httpClient,
		CallOptions: &callOpts,
	}
	c.setGoogleClientInfo()

	return &GrafeasV1Beta1Client{internalClient: c, CallOptions: callOpts}, nil
}

func defaultGrafeasV1Beta1RESTClientOptions() []option.ClientOption {
	return []option.ClientOption{
		internaloption.WithDefaultEndpoint("https://containeranalysis.googleapis.com"),
		internaloption.WithDefaultMTLSEndpoint("https://containeranalysis.mtls.googleapis.com"),
		internaloption.WithDefaultAudience("https://containeranalysis.googleapis.com/"),
		internaloption.WithDefaultScopes(DefaultAuthScopes()...),
	}
}

// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *grafeasV1Beta1RESTClient) setGoogleClientInfo(keyval ...string) {
	kv := append([]string{"gl-go", versionGo()}, keyval...)
	kv = append(kv, "gapic", getVersionClient(), "gax", gax.Version, "rest", "UNKNOWN")
	c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}

// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *grafeasV1Beta1RESTClient) Close() error {
	// Replace httpClient with nil to force cleanup.
	c.httpClient = nil
	return nil
}

// Connection returns a connection to the API service.
//
// Deprecated: This method always returns nil.
func (c *grafeasV1Beta1RESTClient) Connection() *grpc.ClientConn {
	return nil
}
func (c *grafeasV1Beta1GRPCClient) GetOccurrence(ctx context.Context, req *grafeaspb.GetOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetOccurrence[0:len((*c.CallOptions).GetOccurrence):len((*c.CallOptions).GetOccurrence)], opts...)
	var resp *grafeaspb.Occurrence
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.GetOccurrence(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) ListOccurrences(ctx context.Context, req *grafeaspb.ListOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListOccurrences[0:len((*c.CallOptions).ListOccurrences):len((*c.CallOptions).ListOccurrences)], opts...)
	it := &OccurrenceIterator{}
	req = proto.Clone(req).(*grafeaspb.ListOccurrencesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Occurrence, string, error) {
		resp := &grafeaspb.ListOccurrencesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			var err error
			resp, err = c.grafeasV1Beta1Client.ListOccurrences(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetOccurrences(), 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
}

func (c *grafeasV1Beta1GRPCClient) DeleteOccurrence(ctx context.Context, req *grafeaspb.DeleteOccurrenceRequest, opts ...gax.CallOption) error {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).DeleteOccurrence[0:len((*c.CallOptions).DeleteOccurrence):len((*c.CallOptions).DeleteOccurrence)], opts...)
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		_, err = c.grafeasV1Beta1Client.DeleteOccurrence(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	return err
}

func (c *grafeasV1Beta1GRPCClient) CreateOccurrence(ctx context.Context, req *grafeaspb.CreateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).CreateOccurrence[0:len((*c.CallOptions).CreateOccurrence):len((*c.CallOptions).CreateOccurrence)], opts...)
	var resp *grafeaspb.Occurrence
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.CreateOccurrence(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) BatchCreateOccurrences(ctx context.Context, req *grafeaspb.BatchCreateOccurrencesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateOccurrencesResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).BatchCreateOccurrences[0:len((*c.CallOptions).BatchCreateOccurrences):len((*c.CallOptions).BatchCreateOccurrences)], opts...)
	var resp *grafeaspb.BatchCreateOccurrencesResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.BatchCreateOccurrences(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) UpdateOccurrence(ctx context.Context, req *grafeaspb.UpdateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateOccurrence[0:len((*c.CallOptions).UpdateOccurrence):len((*c.CallOptions).UpdateOccurrence)], opts...)
	var resp *grafeaspb.Occurrence
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.UpdateOccurrence(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) GetOccurrenceNote(ctx context.Context, req *grafeaspb.GetOccurrenceNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetOccurrenceNote[0:len((*c.CallOptions).GetOccurrenceNote):len((*c.CallOptions).GetOccurrenceNote)], opts...)
	var resp *grafeaspb.Note
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.GetOccurrenceNote(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) GetNote(ctx context.Context, req *grafeaspb.GetNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetNote[0:len((*c.CallOptions).GetNote):len((*c.CallOptions).GetNote)], opts...)
	var resp *grafeaspb.Note
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.GetNote(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) ListNotes(ctx context.Context, req *grafeaspb.ListNotesRequest, opts ...gax.CallOption) *NoteIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListNotes[0:len((*c.CallOptions).ListNotes):len((*c.CallOptions).ListNotes)], opts...)
	it := &NoteIterator{}
	req = proto.Clone(req).(*grafeaspb.ListNotesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Note, string, error) {
		resp := &grafeaspb.ListNotesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			var err error
			resp, err = c.grafeasV1Beta1Client.ListNotes(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetNotes(), 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
}

func (c *grafeasV1Beta1GRPCClient) DeleteNote(ctx context.Context, req *grafeaspb.DeleteNoteRequest, opts ...gax.CallOption) error {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).DeleteNote[0:len((*c.CallOptions).DeleteNote):len((*c.CallOptions).DeleteNote)], opts...)
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		_, err = c.grafeasV1Beta1Client.DeleteNote(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	return err
}

func (c *grafeasV1Beta1GRPCClient) CreateNote(ctx context.Context, req *grafeaspb.CreateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).CreateNote[0:len((*c.CallOptions).CreateNote):len((*c.CallOptions).CreateNote)], opts...)
	var resp *grafeaspb.Note
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.CreateNote(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) BatchCreateNotes(ctx context.Context, req *grafeaspb.BatchCreateNotesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateNotesResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).BatchCreateNotes[0:len((*c.CallOptions).BatchCreateNotes):len((*c.CallOptions).BatchCreateNotes)], opts...)
	var resp *grafeaspb.BatchCreateNotesResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.BatchCreateNotes(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) UpdateNote(ctx context.Context, req *grafeaspb.UpdateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateNote[0:len((*c.CallOptions).UpdateNote):len((*c.CallOptions).UpdateNote)], opts...)
	var resp *grafeaspb.Note
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.UpdateNote(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *grafeasV1Beta1GRPCClient) ListNoteOccurrences(ctx context.Context, req *grafeaspb.ListNoteOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).ListNoteOccurrences[0:len((*c.CallOptions).ListNoteOccurrences):len((*c.CallOptions).ListNoteOccurrences)], opts...)
	it := &OccurrenceIterator{}
	req = proto.Clone(req).(*grafeaspb.ListNoteOccurrencesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Occurrence, string, error) {
		resp := &grafeaspb.ListNoteOccurrencesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			var err error
			resp, err = c.grafeasV1Beta1Client.ListNoteOccurrences(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetOccurrences(), 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
}

func (c *grafeasV1Beta1GRPCClient) GetVulnerabilityOccurrencesSummary(ctx context.Context, req *grafeaspb.GetVulnerabilityOccurrencesSummaryRequest, opts ...gax.CallOption) (*grafeaspb.VulnerabilityOccurrencesSummary, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 30000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).GetVulnerabilityOccurrencesSummary[0:len((*c.CallOptions).GetVulnerabilityOccurrencesSummary):len((*c.CallOptions).GetVulnerabilityOccurrencesSummary)], opts...)
	var resp *grafeaspb.VulnerabilityOccurrencesSummary
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.grafeasV1Beta1Client.GetVulnerabilityOccurrencesSummary(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

// GetOccurrence gets the specified occurrence.
func (c *grafeasV1Beta1RESTClient) GetOccurrence(ctx context.Context, req *grafeaspb.GetOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).GetOccurrence[0:len((*c.CallOptions).GetOccurrence):len((*c.CallOptions).GetOccurrence)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Occurrence{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// ListOccurrences lists occurrences for the specified project.
func (c *grafeasV1Beta1RESTClient) ListOccurrences(ctx context.Context, req *grafeaspb.ListOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	it := &OccurrenceIterator{}
	req = proto.Clone(req).(*grafeaspb.ListOccurrencesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Occurrence, string, error) {
		resp := &grafeaspb.ListOccurrencesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		baseUrl, err := url.Parse(c.endpoint)
		if err != nil {
			return nil, "", err
		}
		baseUrl.Path += fmt.Sprintf("/v1beta1/%v/occurrences", req.GetParent())

		params := url.Values{}
		params.Add("$alt", "json;enum-encoding=int")
		if req.GetFilter() != "" {
			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
		}
		if req.GetPageSize() != 0 {
			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
		}
		if req.GetPageToken() != "" {
			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
		}

		baseUrl.RawQuery = params.Encode()

		// Build HTTP headers from client and context metadata.
		headers := buildHeaders(ctx, c.xGoogMetadata, metadata.Pairs("Content-Type", "application/json"))
		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			if settings.Path != "" {
				baseUrl.Path = settings.Path
			}
			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
			if err != nil {
				return err
			}
			httpReq.Header = headers

			httpRsp, err := c.httpClient.Do(httpReq)
			if err != nil {
				return err
			}
			defer httpRsp.Body.Close()

			if err = googleapi.CheckResponse(httpRsp); err != nil {
				return err
			}

			buf, err := ioutil.ReadAll(httpRsp.Body)
			if err != nil {
				return err
			}

			if err := unm.Unmarshal(buf, resp); err != nil {
				return maybeUnknownEnum(err)
			}

			return nil
		}, opts...)
		if e != nil {
			return nil, "", e
		}
		it.Response = resp
		return resp.GetOccurrences(), 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
}

// DeleteOccurrence deletes the specified occurrence. For example, use this method to delete an
// occurrence when the occurrence is no longer applicable for the given
// resource.
func (c *grafeasV1Beta1RESTClient) DeleteOccurrence(ctx context.Context, req *grafeaspb.DeleteOccurrenceRequest, opts ...gax.CallOption) error {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		// Returns nil if there is no error, otherwise wraps
		// the response code and body into a non-nil error
		return googleapi.CheckResponse(httpRsp)
	}, opts...)
}

// CreateOccurrence creates a new occurrence.
func (c *grafeasV1Beta1RESTClient) CreateOccurrence(ctx context.Context, req *grafeaspb.CreateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetOccurrence()
	jsonReq, err := m.Marshal(body)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/occurrences", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).CreateOccurrence[0:len((*c.CallOptions).CreateOccurrence):len((*c.CallOptions).CreateOccurrence)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Occurrence{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// BatchCreateOccurrences creates new occurrences in batch.
func (c *grafeasV1Beta1RESTClient) BatchCreateOccurrences(ctx context.Context, req *grafeaspb.BatchCreateOccurrencesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateOccurrencesResponse, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	jsonReq, err := m.Marshal(req)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/occurrences:batchCreate", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).BatchCreateOccurrences[0:len((*c.CallOptions).BatchCreateOccurrences):len((*c.CallOptions).BatchCreateOccurrences)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.BatchCreateOccurrencesResponse{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// UpdateOccurrence updates the specified occurrence.
func (c *grafeasV1Beta1RESTClient) UpdateOccurrence(ctx context.Context, req *grafeaspb.UpdateOccurrenceRequest, opts ...gax.CallOption) (*grafeaspb.Occurrence, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetOccurrence()
	jsonReq, err := m.Marshal(body)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetUpdateMask() != nil {
		updateMask, err := protojson.Marshal(req.GetUpdateMask())
		if err != nil {
			return nil, err
		}
		params.Add("updateMask", string(updateMask))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).UpdateOccurrence[0:len((*c.CallOptions).UpdateOccurrence):len((*c.CallOptions).UpdateOccurrence)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Occurrence{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// GetOccurrenceNote gets the note attached to the specified occurrence. Consumer projects can
// use this method to get a note that belongs to a provider project.
func (c *grafeasV1Beta1RESTClient) GetOccurrenceNote(ctx context.Context, req *grafeaspb.GetOccurrenceNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/notes", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).GetOccurrenceNote[0:len((*c.CallOptions).GetOccurrenceNote):len((*c.CallOptions).GetOccurrenceNote)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Note{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// GetNote gets the specified note.
func (c *grafeasV1Beta1RESTClient) GetNote(ctx context.Context, req *grafeaspb.GetNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).GetNote[0:len((*c.CallOptions).GetNote):len((*c.CallOptions).GetNote)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Note{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// ListNotes lists notes for the specified project.
func (c *grafeasV1Beta1RESTClient) ListNotes(ctx context.Context, req *grafeaspb.ListNotesRequest, opts ...gax.CallOption) *NoteIterator {
	it := &NoteIterator{}
	req = proto.Clone(req).(*grafeaspb.ListNotesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Note, string, error) {
		resp := &grafeaspb.ListNotesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		baseUrl, err := url.Parse(c.endpoint)
		if err != nil {
			return nil, "", err
		}
		baseUrl.Path += fmt.Sprintf("/v1beta1/%v/notes", req.GetParent())

		params := url.Values{}
		params.Add("$alt", "json;enum-encoding=int")
		if req.GetFilter() != "" {
			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
		}
		if req.GetPageSize() != 0 {
			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
		}
		if req.GetPageToken() != "" {
			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
		}

		baseUrl.RawQuery = params.Encode()

		// Build HTTP headers from client and context metadata.
		headers := buildHeaders(ctx, c.xGoogMetadata, metadata.Pairs("Content-Type", "application/json"))
		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			if settings.Path != "" {
				baseUrl.Path = settings.Path
			}
			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
			if err != nil {
				return err
			}
			httpReq.Header = headers

			httpRsp, err := c.httpClient.Do(httpReq)
			if err != nil {
				return err
			}
			defer httpRsp.Body.Close()

			if err = googleapi.CheckResponse(httpRsp); err != nil {
				return err
			}

			buf, err := ioutil.ReadAll(httpRsp.Body)
			if err != nil {
				return err
			}

			if err := unm.Unmarshal(buf, resp); err != nil {
				return maybeUnknownEnum(err)
			}

			return nil
		}, opts...)
		if e != nil {
			return nil, "", e
		}
		it.Response = resp
		return resp.GetNotes(), 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
}

// DeleteNote deletes the specified note.
func (c *grafeasV1Beta1RESTClient) DeleteNote(ctx context.Context, req *grafeaspb.DeleteNoteRequest, opts ...gax.CallOption) error {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	return gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("DELETE", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		// Returns nil if there is no error, otherwise wraps
		// the response code and body into a non-nil error
		return googleapi.CheckResponse(httpRsp)
	}, opts...)
}

// CreateNote creates a new note.
func (c *grafeasV1Beta1RESTClient) CreateNote(ctx context.Context, req *grafeaspb.CreateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetNote()
	jsonReq, err := m.Marshal(body)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/notes", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetNoteId() != "" {
		params.Add("noteId", fmt.Sprintf("%v", req.GetNoteId()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).CreateNote[0:len((*c.CallOptions).CreateNote):len((*c.CallOptions).CreateNote)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Note{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// BatchCreateNotes creates new notes in batch.
func (c *grafeasV1Beta1RESTClient) BatchCreateNotes(ctx context.Context, req *grafeaspb.BatchCreateNotesRequest, opts ...gax.CallOption) (*grafeaspb.BatchCreateNotesResponse, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	jsonReq, err := m.Marshal(req)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/notes:batchCreate", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).BatchCreateNotes[0:len((*c.CallOptions).BatchCreateNotes):len((*c.CallOptions).BatchCreateNotes)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.BatchCreateNotesResponse{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("POST", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// UpdateNote updates the specified note.
func (c *grafeasV1Beta1RESTClient) UpdateNote(ctx context.Context, req *grafeaspb.UpdateNoteRequest, opts ...gax.CallOption) (*grafeaspb.Note, error) {
	m := protojson.MarshalOptions{AllowPartial: true, UseEnumNumbers: true}
	body := req.GetNote()
	jsonReq, err := m.Marshal(body)
	if err != nil {
		return nil, err
	}

	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v", req.GetName())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetUpdateMask() != nil {
		updateMask, err := protojson.Marshal(req.GetUpdateMask())
		if err != nil {
			return nil, err
		}
		params.Add("updateMask", string(updateMask))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).UpdateNote[0:len((*c.CallOptions).UpdateNote):len((*c.CallOptions).UpdateNote)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.Note{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("PATCH", baseUrl.String(), bytes.NewReader(jsonReq))
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// ListNoteOccurrences lists occurrences referencing the specified note. Provider projects can use
// this method to get all occurrences across consumer projects referencing the
// specified note.
func (c *grafeasV1Beta1RESTClient) ListNoteOccurrences(ctx context.Context, req *grafeaspb.ListNoteOccurrencesRequest, opts ...gax.CallOption) *OccurrenceIterator {
	it := &OccurrenceIterator{}
	req = proto.Clone(req).(*grafeaspb.ListNoteOccurrencesRequest)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	it.InternalFetch = func(pageSize int, pageToken string) ([]*grafeaspb.Occurrence, string, error) {
		resp := &grafeaspb.ListNoteOccurrencesResponse{}
		if pageToken != "" {
			req.PageToken = pageToken
		}
		if pageSize > math.MaxInt32 {
			req.PageSize = math.MaxInt32
		} else if pageSize != 0 {
			req.PageSize = int32(pageSize)
		}
		baseUrl, err := url.Parse(c.endpoint)
		if err != nil {
			return nil, "", err
		}
		baseUrl.Path += fmt.Sprintf("/v1beta1/%v/occurrences", req.GetName())

		params := url.Values{}
		params.Add("$alt", "json;enum-encoding=int")
		if req.GetFilter() != "" {
			params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
		}
		if req.GetPageSize() != 0 {
			params.Add("pageSize", fmt.Sprintf("%v", req.GetPageSize()))
		}
		if req.GetPageToken() != "" {
			params.Add("pageToken", fmt.Sprintf("%v", req.GetPageToken()))
		}

		baseUrl.RawQuery = params.Encode()

		// Build HTTP headers from client and context metadata.
		headers := buildHeaders(ctx, c.xGoogMetadata, metadata.Pairs("Content-Type", "application/json"))
		e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
			if settings.Path != "" {
				baseUrl.Path = settings.Path
			}
			httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
			if err != nil {
				return err
			}
			httpReq.Header = headers

			httpRsp, err := c.httpClient.Do(httpReq)
			if err != nil {
				return err
			}
			defer httpRsp.Body.Close()

			if err = googleapi.CheckResponse(httpRsp); err != nil {
				return err
			}

			buf, err := ioutil.ReadAll(httpRsp.Body)
			if err != nil {
				return err
			}

			if err := unm.Unmarshal(buf, resp); err != nil {
				return maybeUnknownEnum(err)
			}

			return nil
		}, opts...)
		if e != nil {
			return nil, "", e
		}
		it.Response = resp
		return resp.GetOccurrences(), 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
}

// GetVulnerabilityOccurrencesSummary gets a summary of the number and severity of occurrences.
func (c *grafeasV1Beta1RESTClient) GetVulnerabilityOccurrencesSummary(ctx context.Context, req *grafeaspb.GetVulnerabilityOccurrencesSummaryRequest, opts ...gax.CallOption) (*grafeaspb.VulnerabilityOccurrencesSummary, error) {
	baseUrl, err := url.Parse(c.endpoint)
	if err != nil {
		return nil, err
	}
	baseUrl.Path += fmt.Sprintf("/v1beta1/%v/occurrences:vulnerabilitySummary", req.GetParent())

	params := url.Values{}
	params.Add("$alt", "json;enum-encoding=int")
	if req.GetFilter() != "" {
		params.Add("filter", fmt.Sprintf("%v", req.GetFilter()))
	}

	baseUrl.RawQuery = params.Encode()

	// Build HTTP headers from client and context metadata.
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "parent", url.QueryEscape(req.GetParent())))

	headers := buildHeaders(ctx, c.xGoogMetadata, md, metadata.Pairs("Content-Type", "application/json"))
	opts = append((*c.CallOptions).GetVulnerabilityOccurrencesSummary[0:len((*c.CallOptions).GetVulnerabilityOccurrencesSummary):len((*c.CallOptions).GetVulnerabilityOccurrencesSummary)], opts...)
	unm := protojson.UnmarshalOptions{AllowPartial: true, DiscardUnknown: true}
	resp := &grafeaspb.VulnerabilityOccurrencesSummary{}
	e := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		if settings.Path != "" {
			baseUrl.Path = settings.Path
		}
		httpReq, err := http.NewRequest("GET", baseUrl.String(), nil)
		if err != nil {
			return err
		}
		httpReq = httpReq.WithContext(ctx)
		httpReq.Header = headers

		httpRsp, err := c.httpClient.Do(httpReq)
		if err != nil {
			return err
		}
		defer httpRsp.Body.Close()

		if err = googleapi.CheckResponse(httpRsp); err != nil {
			return err
		}

		buf, err := ioutil.ReadAll(httpRsp.Body)
		if err != nil {
			return err
		}

		if err := unm.Unmarshal(buf, resp); err != nil {
			return maybeUnknownEnum(err)
		}

		return nil
	}, opts...)
	if e != nil {
		return nil, e
	}
	return resp, nil
}

// NoteIterator manages a stream of *grafeaspb.Note.
type NoteIterator struct {
	items    []*grafeaspb.Note
	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 []*grafeaspb.Note, nextPageToken string, err error)
}

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

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

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

// OccurrenceIterator manages a stream of *grafeaspb.Occurrence.
type OccurrenceIterator struct {
	items    []*grafeaspb.Occurrence
	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 []*grafeaspb.Occurrence, nextPageToken string, err error)
}

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

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

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