privateca/apiv1beta1/certificate_authority_client.go

// Copyright 2021 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 privateca

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

	"cloud.google.com/go/longrunning"
	lroauto "cloud.google.com/go/longrunning/autogen"
	gax "github.com/googleapis/gax-go/v2"
	"google.golang.org/api/iterator"
	"google.golang.org/api/option"
	"google.golang.org/api/option/internaloption"
	gtransport "google.golang.org/api/transport/grpc"
	privatecapb "google.golang.org/genproto/googleapis/cloud/security/privateca/v1beta1"
	longrunningpb "google.golang.org/genproto/googleapis/longrunning"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/metadata"
	"google.golang.org/protobuf/proto"
)

var newCertificateAuthorityClientHook clientHook

// CertificateAuthorityCallOptions contains the retry settings for each method of CertificateAuthorityClient.
type CertificateAuthorityCallOptions struct {
	CreateCertificate                  []gax.CallOption
	GetCertificate                     []gax.CallOption
	ListCertificates                   []gax.CallOption
	RevokeCertificate                  []gax.CallOption
	UpdateCertificate                  []gax.CallOption
	ActivateCertificateAuthority       []gax.CallOption
	CreateCertificateAuthority         []gax.CallOption
	DisableCertificateAuthority        []gax.CallOption
	EnableCertificateAuthority         []gax.CallOption
	FetchCertificateAuthorityCsr       []gax.CallOption
	GetCertificateAuthority            []gax.CallOption
	ListCertificateAuthorities         []gax.CallOption
	RestoreCertificateAuthority        []gax.CallOption
	ScheduleDeleteCertificateAuthority []gax.CallOption
	UpdateCertificateAuthority         []gax.CallOption
	GetCertificateRevocationList       []gax.CallOption
	ListCertificateRevocationLists     []gax.CallOption
	UpdateCertificateRevocationList    []gax.CallOption
	GetReusableConfig                  []gax.CallOption
	ListReusableConfigs                []gax.CallOption
}

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

func defaultCertificateAuthorityCallOptions() *CertificateAuthorityCallOptions {
	return &CertificateAuthorityCallOptions{
		CreateCertificate: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetCertificate: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ListCertificates: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		RevokeCertificate: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		UpdateCertificate: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ActivateCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		CreateCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		DisableCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		EnableCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		FetchCertificateAuthorityCsr: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ListCertificateAuthorities: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		RestoreCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ScheduleDeleteCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		UpdateCertificateAuthority: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetCertificateRevocationList: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ListCertificateRevocationLists: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		UpdateCertificateRevocationList: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		GetReusableConfig: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
		ListReusableConfigs: []gax.CallOption{
			gax.WithRetry(func() gax.Retryer {
				return gax.OnCodes([]codes.Code{
					codes.Unknown,
					codes.Unavailable,
					codes.DeadlineExceeded,
				}, gax.Backoff{
					Initial:    100 * time.Millisecond,
					Max:        60000 * time.Millisecond,
					Multiplier: 1.30,
				})
			}),
		},
	}
}

// internalCertificateAuthorityClient is an interface that defines the methods availaible from Certificate Authority API.
type internalCertificateAuthorityClient interface {
	Close() error
	setGoogleClientInfo(...string)
	Connection() *grpc.ClientConn
	CreateCertificate(context.Context, *privatecapb.CreateCertificateRequest, ...gax.CallOption) (*privatecapb.Certificate, error)
	GetCertificate(context.Context, *privatecapb.GetCertificateRequest, ...gax.CallOption) (*privatecapb.Certificate, error)
	ListCertificates(context.Context, *privatecapb.ListCertificatesRequest, ...gax.CallOption) *CertificateIterator
	RevokeCertificate(context.Context, *privatecapb.RevokeCertificateRequest, ...gax.CallOption) (*privatecapb.Certificate, error)
	UpdateCertificate(context.Context, *privatecapb.UpdateCertificateRequest, ...gax.CallOption) (*privatecapb.Certificate, error)
	ActivateCertificateAuthority(context.Context, *privatecapb.ActivateCertificateAuthorityRequest, ...gax.CallOption) (*ActivateCertificateAuthorityOperation, error)
	ActivateCertificateAuthorityOperation(name string) *ActivateCertificateAuthorityOperation
	CreateCertificateAuthority(context.Context, *privatecapb.CreateCertificateAuthorityRequest, ...gax.CallOption) (*CreateCertificateAuthorityOperation, error)
	CreateCertificateAuthorityOperation(name string) *CreateCertificateAuthorityOperation
	DisableCertificateAuthority(context.Context, *privatecapb.DisableCertificateAuthorityRequest, ...gax.CallOption) (*DisableCertificateAuthorityOperation, error)
	DisableCertificateAuthorityOperation(name string) *DisableCertificateAuthorityOperation
	EnableCertificateAuthority(context.Context, *privatecapb.EnableCertificateAuthorityRequest, ...gax.CallOption) (*EnableCertificateAuthorityOperation, error)
	EnableCertificateAuthorityOperation(name string) *EnableCertificateAuthorityOperation
	FetchCertificateAuthorityCsr(context.Context, *privatecapb.FetchCertificateAuthorityCsrRequest, ...gax.CallOption) (*privatecapb.FetchCertificateAuthorityCsrResponse, error)
	GetCertificateAuthority(context.Context, *privatecapb.GetCertificateAuthorityRequest, ...gax.CallOption) (*privatecapb.CertificateAuthority, error)
	ListCertificateAuthorities(context.Context, *privatecapb.ListCertificateAuthoritiesRequest, ...gax.CallOption) *CertificateAuthorityIterator
	RestoreCertificateAuthority(context.Context, *privatecapb.RestoreCertificateAuthorityRequest, ...gax.CallOption) (*RestoreCertificateAuthorityOperation, error)
	RestoreCertificateAuthorityOperation(name string) *RestoreCertificateAuthorityOperation
	ScheduleDeleteCertificateAuthority(context.Context, *privatecapb.ScheduleDeleteCertificateAuthorityRequest, ...gax.CallOption) (*ScheduleDeleteCertificateAuthorityOperation, error)
	ScheduleDeleteCertificateAuthorityOperation(name string) *ScheduleDeleteCertificateAuthorityOperation
	UpdateCertificateAuthority(context.Context, *privatecapb.UpdateCertificateAuthorityRequest, ...gax.CallOption) (*UpdateCertificateAuthorityOperation, error)
	UpdateCertificateAuthorityOperation(name string) *UpdateCertificateAuthorityOperation
	GetCertificateRevocationList(context.Context, *privatecapb.GetCertificateRevocationListRequest, ...gax.CallOption) (*privatecapb.CertificateRevocationList, error)
	ListCertificateRevocationLists(context.Context, *privatecapb.ListCertificateRevocationListsRequest, ...gax.CallOption) *CertificateRevocationListIterator
	UpdateCertificateRevocationList(context.Context, *privatecapb.UpdateCertificateRevocationListRequest, ...gax.CallOption) (*UpdateCertificateRevocationListOperation, error)
	UpdateCertificateRevocationListOperation(name string) *UpdateCertificateRevocationListOperation
	GetReusableConfig(context.Context, *privatecapb.GetReusableConfigRequest, ...gax.CallOption) (*privatecapb.ReusableConfig, error)
	ListReusableConfigs(context.Context, *privatecapb.ListReusableConfigsRequest, ...gax.CallOption) *ReusableConfigIterator
}

// CertificateAuthorityClient is a client for interacting with Certificate Authority API.
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
//
// [Certificate Authority Service][google.cloud.security.privateca.v1beta1.CertificateAuthorityService] manages private
// certificate authorities and issued certificates.
type CertificateAuthorityClient struct {
	// The internal transport-dependent client.
	internalClient internalCertificateAuthorityClient

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

	// LROClient is used internally to handle long-running operations.
	// It is exposed so that its CallOptions can be modified if required.
	// Users should not Close this client.
	LROClient *lroauto.OperationsClient
}

// 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 *CertificateAuthorityClient) 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 *CertificateAuthorityClient) setGoogleClientInfo(keyval ...string) {
	c.internalClient.setGoogleClientInfo(keyval...)
}

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

// CreateCertificate create a new Certificate in a given Project, Location from a particular
// CertificateAuthority.
func (c *CertificateAuthorityClient) CreateCertificate(ctx context.Context, req *privatecapb.CreateCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	return c.internalClient.CreateCertificate(ctx, req, opts...)
}

// GetCertificate returns a Certificate.
func (c *CertificateAuthorityClient) GetCertificate(ctx context.Context, req *privatecapb.GetCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	return c.internalClient.GetCertificate(ctx, req, opts...)
}

// ListCertificates lists Certificates.
func (c *CertificateAuthorityClient) ListCertificates(ctx context.Context, req *privatecapb.ListCertificatesRequest, opts ...gax.CallOption) *CertificateIterator {
	return c.internalClient.ListCertificates(ctx, req, opts...)
}

// RevokeCertificate revoke a Certificate.
func (c *CertificateAuthorityClient) RevokeCertificate(ctx context.Context, req *privatecapb.RevokeCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	return c.internalClient.RevokeCertificate(ctx, req, opts...)
}

// UpdateCertificate update a Certificate. Currently, the only field you can update is the
// labels field.
func (c *CertificateAuthorityClient) UpdateCertificate(ctx context.Context, req *privatecapb.UpdateCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	return c.internalClient.UpdateCertificate(ctx, req, opts...)
}

// ActivateCertificateAuthority activate a CertificateAuthority that is in state
// PENDING_ACTIVATION and is
// of type SUBORDINATE. After the
// parent Certificate Authority signs a certificate signing request from
// FetchCertificateAuthorityCsr, this method can complete the activation
// process.
func (c *CertificateAuthorityClient) ActivateCertificateAuthority(ctx context.Context, req *privatecapb.ActivateCertificateAuthorityRequest, opts ...gax.CallOption) (*ActivateCertificateAuthorityOperation, error) {
	return c.internalClient.ActivateCertificateAuthority(ctx, req, opts...)
}

// ActivateCertificateAuthorityOperation returns a new ActivateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created ActivateCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) ActivateCertificateAuthorityOperation(name string) *ActivateCertificateAuthorityOperation {
	return c.internalClient.ActivateCertificateAuthorityOperation(name)
}

// CreateCertificateAuthority create a new CertificateAuthority in a given Project and Location.
func (c *CertificateAuthorityClient) CreateCertificateAuthority(ctx context.Context, req *privatecapb.CreateCertificateAuthorityRequest, opts ...gax.CallOption) (*CreateCertificateAuthorityOperation, error) {
	return c.internalClient.CreateCertificateAuthority(ctx, req, opts...)
}

// CreateCertificateAuthorityOperation returns a new CreateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created CreateCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) CreateCertificateAuthorityOperation(name string) *CreateCertificateAuthorityOperation {
	return c.internalClient.CreateCertificateAuthorityOperation(name)
}

// DisableCertificateAuthority disable a CertificateAuthority.
func (c *CertificateAuthorityClient) DisableCertificateAuthority(ctx context.Context, req *privatecapb.DisableCertificateAuthorityRequest, opts ...gax.CallOption) (*DisableCertificateAuthorityOperation, error) {
	return c.internalClient.DisableCertificateAuthority(ctx, req, opts...)
}

// DisableCertificateAuthorityOperation returns a new DisableCertificateAuthorityOperation from a given name.
// The name must be that of a previously created DisableCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) DisableCertificateAuthorityOperation(name string) *DisableCertificateAuthorityOperation {
	return c.internalClient.DisableCertificateAuthorityOperation(name)
}

// EnableCertificateAuthority enable a CertificateAuthority.
func (c *CertificateAuthorityClient) EnableCertificateAuthority(ctx context.Context, req *privatecapb.EnableCertificateAuthorityRequest, opts ...gax.CallOption) (*EnableCertificateAuthorityOperation, error) {
	return c.internalClient.EnableCertificateAuthority(ctx, req, opts...)
}

// EnableCertificateAuthorityOperation returns a new EnableCertificateAuthorityOperation from a given name.
// The name must be that of a previously created EnableCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) EnableCertificateAuthorityOperation(name string) *EnableCertificateAuthorityOperation {
	return c.internalClient.EnableCertificateAuthorityOperation(name)
}

// FetchCertificateAuthorityCsr fetch a certificate signing request (CSR) from a CertificateAuthority
// that is in state
// PENDING_ACTIVATION and is
// of type SUBORDINATE. The CSR must
// then be signed by the desired parent Certificate Authority, which could be
// another CertificateAuthority resource, or could be an on-prem
// certificate authority. See also ActivateCertificateAuthority.
func (c *CertificateAuthorityClient) FetchCertificateAuthorityCsr(ctx context.Context, req *privatecapb.FetchCertificateAuthorityCsrRequest, opts ...gax.CallOption) (*privatecapb.FetchCertificateAuthorityCsrResponse, error) {
	return c.internalClient.FetchCertificateAuthorityCsr(ctx, req, opts...)
}

// GetCertificateAuthority returns a CertificateAuthority.
func (c *CertificateAuthorityClient) GetCertificateAuthority(ctx context.Context, req *privatecapb.GetCertificateAuthorityRequest, opts ...gax.CallOption) (*privatecapb.CertificateAuthority, error) {
	return c.internalClient.GetCertificateAuthority(ctx, req, opts...)
}

// ListCertificateAuthorities lists CertificateAuthorities.
func (c *CertificateAuthorityClient) ListCertificateAuthorities(ctx context.Context, req *privatecapb.ListCertificateAuthoritiesRequest, opts ...gax.CallOption) *CertificateAuthorityIterator {
	return c.internalClient.ListCertificateAuthorities(ctx, req, opts...)
}

// RestoreCertificateAuthority restore a CertificateAuthority that is scheduled for deletion.
func (c *CertificateAuthorityClient) RestoreCertificateAuthority(ctx context.Context, req *privatecapb.RestoreCertificateAuthorityRequest, opts ...gax.CallOption) (*RestoreCertificateAuthorityOperation, error) {
	return c.internalClient.RestoreCertificateAuthority(ctx, req, opts...)
}

// RestoreCertificateAuthorityOperation returns a new RestoreCertificateAuthorityOperation from a given name.
// The name must be that of a previously created RestoreCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) RestoreCertificateAuthorityOperation(name string) *RestoreCertificateAuthorityOperation {
	return c.internalClient.RestoreCertificateAuthorityOperation(name)
}

// ScheduleDeleteCertificateAuthority schedule a CertificateAuthority for deletion.
func (c *CertificateAuthorityClient) ScheduleDeleteCertificateAuthority(ctx context.Context, req *privatecapb.ScheduleDeleteCertificateAuthorityRequest, opts ...gax.CallOption) (*ScheduleDeleteCertificateAuthorityOperation, error) {
	return c.internalClient.ScheduleDeleteCertificateAuthority(ctx, req, opts...)
}

// ScheduleDeleteCertificateAuthorityOperation returns a new ScheduleDeleteCertificateAuthorityOperation from a given name.
// The name must be that of a previously created ScheduleDeleteCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) ScheduleDeleteCertificateAuthorityOperation(name string) *ScheduleDeleteCertificateAuthorityOperation {
	return c.internalClient.ScheduleDeleteCertificateAuthorityOperation(name)
}

// UpdateCertificateAuthority update a CertificateAuthority.
func (c *CertificateAuthorityClient) UpdateCertificateAuthority(ctx context.Context, req *privatecapb.UpdateCertificateAuthorityRequest, opts ...gax.CallOption) (*UpdateCertificateAuthorityOperation, error) {
	return c.internalClient.UpdateCertificateAuthority(ctx, req, opts...)
}

// UpdateCertificateAuthorityOperation returns a new UpdateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created UpdateCertificateAuthorityOperation, possibly from a different process.
func (c *CertificateAuthorityClient) UpdateCertificateAuthorityOperation(name string) *UpdateCertificateAuthorityOperation {
	return c.internalClient.UpdateCertificateAuthorityOperation(name)
}

// GetCertificateRevocationList returns a CertificateRevocationList.
func (c *CertificateAuthorityClient) GetCertificateRevocationList(ctx context.Context, req *privatecapb.GetCertificateRevocationListRequest, opts ...gax.CallOption) (*privatecapb.CertificateRevocationList, error) {
	return c.internalClient.GetCertificateRevocationList(ctx, req, opts...)
}

// ListCertificateRevocationLists lists CertificateRevocationLists.
func (c *CertificateAuthorityClient) ListCertificateRevocationLists(ctx context.Context, req *privatecapb.ListCertificateRevocationListsRequest, opts ...gax.CallOption) *CertificateRevocationListIterator {
	return c.internalClient.ListCertificateRevocationLists(ctx, req, opts...)
}

// UpdateCertificateRevocationList update a CertificateRevocationList.
func (c *CertificateAuthorityClient) UpdateCertificateRevocationList(ctx context.Context, req *privatecapb.UpdateCertificateRevocationListRequest, opts ...gax.CallOption) (*UpdateCertificateRevocationListOperation, error) {
	return c.internalClient.UpdateCertificateRevocationList(ctx, req, opts...)
}

// UpdateCertificateRevocationListOperation returns a new UpdateCertificateRevocationListOperation from a given name.
// The name must be that of a previously created UpdateCertificateRevocationListOperation, possibly from a different process.
func (c *CertificateAuthorityClient) UpdateCertificateRevocationListOperation(name string) *UpdateCertificateRevocationListOperation {
	return c.internalClient.UpdateCertificateRevocationListOperation(name)
}

// GetReusableConfig returns a ReusableConfig.
func (c *CertificateAuthorityClient) GetReusableConfig(ctx context.Context, req *privatecapb.GetReusableConfigRequest, opts ...gax.CallOption) (*privatecapb.ReusableConfig, error) {
	return c.internalClient.GetReusableConfig(ctx, req, opts...)
}

// ListReusableConfigs lists ReusableConfigs.
func (c *CertificateAuthorityClient) ListReusableConfigs(ctx context.Context, req *privatecapb.ListReusableConfigsRequest, opts ...gax.CallOption) *ReusableConfigIterator {
	return c.internalClient.ListReusableConfigs(ctx, req, opts...)
}

// certificateAuthorityGRPCClient is a client for interacting with Certificate Authority API over gRPC transport.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type certificateAuthorityGRPCClient 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 CertificateAuthorityClient
	CallOptions **CertificateAuthorityCallOptions

	// The gRPC API client.
	certificateAuthorityClient privatecapb.CertificateAuthorityServiceClient

	// LROClient is used internally to handle long-running operations.
	// It is exposed so that its CallOptions can be modified if required.
	// Users should not Close this client.
	LROClient **lroauto.OperationsClient

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

// NewCertificateAuthorityClient creates a new certificate authority service client based on gRPC.
// The returned client must be Closed when it is done being used to clean up its underlying connections.
//
// [Certificate Authority Service][google.cloud.security.privateca.v1beta1.CertificateAuthorityService] manages private
// certificate authorities and issued certificates.
func NewCertificateAuthorityClient(ctx context.Context, opts ...option.ClientOption) (*CertificateAuthorityClient, error) {
	clientOpts := defaultCertificateAuthorityGRPCClientOptions()
	if newCertificateAuthorityClientHook != nil {
		hookOpts, err := newCertificateAuthorityClientHook(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 := CertificateAuthorityClient{CallOptions: defaultCertificateAuthorityCallOptions()}

	c := &certificateAuthorityGRPCClient{
		connPool:                   connPool,
		disableDeadlines:           disableDeadlines,
		certificateAuthorityClient: privatecapb.NewCertificateAuthorityServiceClient(connPool),
		CallOptions:                &client.CallOptions,
	}
	c.setGoogleClientInfo()

	client.internalClient = c

	client.LROClient, err = lroauto.NewOperationsClient(ctx, gtransport.WithConnPool(connPool))
	if err != nil {
		// This error "should not happen", since we are just reusing old connection pool
		// and never actually need to dial.
		// If this does happen, we could leak connp. However, we cannot close conn:
		// If the user invoked the constructor with option.WithGRPCConn,
		// we would close a connection that's still in use.
		// TODO: investigate error conditions.
		return nil, err
	}
	c.LROClient = &client.LROClient
	return &client, nil
}

// Connection returns a connection to the API service.
//
// Deprecated.
func (c *certificateAuthorityGRPCClient) 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 *certificateAuthorityGRPCClient) 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...))
}

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

func (c *certificateAuthorityGRPCClient) CreateCertificate(ctx context.Context, req *privatecapb.CreateCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).CreateCertificate[0:len((*c.CallOptions).CreateCertificate):len((*c.CallOptions).CreateCertificate)], opts...)
	var resp *privatecapb.Certificate
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.CreateCertificate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) GetCertificate(ctx context.Context, req *privatecapb.GetCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).GetCertificate[0:len((*c.CallOptions).GetCertificate):len((*c.CallOptions).GetCertificate)], opts...)
	var resp *privatecapb.Certificate
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.GetCertificate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) ListCertificates(ctx context.Context, req *privatecapb.ListCertificatesRequest, opts ...gax.CallOption) *CertificateIterator {
	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).ListCertificates[0:len((*c.CallOptions).ListCertificates):len((*c.CallOptions).ListCertificates)], opts...)
	it := &CertificateIterator{}
	req = proto.Clone(req).(*privatecapb.ListCertificatesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*privatecapb.Certificate, string, error) {
		resp := &privatecapb.ListCertificatesResponse{}
		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.certificateAuthorityClient.ListCertificates(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetCertificates(), 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 *certificateAuthorityGRPCClient) RevokeCertificate(ctx context.Context, req *privatecapb.RevokeCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).RevokeCertificate[0:len((*c.CallOptions).RevokeCertificate):len((*c.CallOptions).RevokeCertificate)], opts...)
	var resp *privatecapb.Certificate
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.RevokeCertificate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) UpdateCertificate(ctx context.Context, req *privatecapb.UpdateCertificateRequest, opts ...gax.CallOption) (*privatecapb.Certificate, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "certificate.name", url.QueryEscape(req.GetCertificate().GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateCertificate[0:len((*c.CallOptions).UpdateCertificate):len((*c.CallOptions).UpdateCertificate)], opts...)
	var resp *privatecapb.Certificate
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.UpdateCertificate(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) ActivateCertificateAuthority(ctx context.Context, req *privatecapb.ActivateCertificateAuthorityRequest, opts ...gax.CallOption) (*ActivateCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).ActivateCertificateAuthority[0:len((*c.CallOptions).ActivateCertificateAuthority):len((*c.CallOptions).ActivateCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.ActivateCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ActivateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) CreateCertificateAuthority(ctx context.Context, req *privatecapb.CreateCertificateAuthorityRequest, opts ...gax.CallOption) (*CreateCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).CreateCertificateAuthority[0:len((*c.CallOptions).CreateCertificateAuthority):len((*c.CallOptions).CreateCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.CreateCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &CreateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) DisableCertificateAuthority(ctx context.Context, req *privatecapb.DisableCertificateAuthorityRequest, opts ...gax.CallOption) (*DisableCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).DisableCertificateAuthority[0:len((*c.CallOptions).DisableCertificateAuthority):len((*c.CallOptions).DisableCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.DisableCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &DisableCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) EnableCertificateAuthority(ctx context.Context, req *privatecapb.EnableCertificateAuthorityRequest, opts ...gax.CallOption) (*EnableCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).EnableCertificateAuthority[0:len((*c.CallOptions).EnableCertificateAuthority):len((*c.CallOptions).EnableCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.EnableCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &EnableCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) FetchCertificateAuthorityCsr(ctx context.Context, req *privatecapb.FetchCertificateAuthorityCsrRequest, opts ...gax.CallOption) (*privatecapb.FetchCertificateAuthorityCsrResponse, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).FetchCertificateAuthorityCsr[0:len((*c.CallOptions).FetchCertificateAuthorityCsr):len((*c.CallOptions).FetchCertificateAuthorityCsr)], opts...)
	var resp *privatecapb.FetchCertificateAuthorityCsrResponse
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.FetchCertificateAuthorityCsr(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) GetCertificateAuthority(ctx context.Context, req *privatecapb.GetCertificateAuthorityRequest, opts ...gax.CallOption) (*privatecapb.CertificateAuthority, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).GetCertificateAuthority[0:len((*c.CallOptions).GetCertificateAuthority):len((*c.CallOptions).GetCertificateAuthority)], opts...)
	var resp *privatecapb.CertificateAuthority
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.GetCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) ListCertificateAuthorities(ctx context.Context, req *privatecapb.ListCertificateAuthoritiesRequest, opts ...gax.CallOption) *CertificateAuthorityIterator {
	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).ListCertificateAuthorities[0:len((*c.CallOptions).ListCertificateAuthorities):len((*c.CallOptions).ListCertificateAuthorities)], opts...)
	it := &CertificateAuthorityIterator{}
	req = proto.Clone(req).(*privatecapb.ListCertificateAuthoritiesRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*privatecapb.CertificateAuthority, string, error) {
		resp := &privatecapb.ListCertificateAuthoritiesResponse{}
		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.certificateAuthorityClient.ListCertificateAuthorities(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetCertificateAuthorities(), 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 *certificateAuthorityGRPCClient) RestoreCertificateAuthority(ctx context.Context, req *privatecapb.RestoreCertificateAuthorityRequest, opts ...gax.CallOption) (*RestoreCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).RestoreCertificateAuthority[0:len((*c.CallOptions).RestoreCertificateAuthority):len((*c.CallOptions).RestoreCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.RestoreCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &RestoreCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) ScheduleDeleteCertificateAuthority(ctx context.Context, req *privatecapb.ScheduleDeleteCertificateAuthorityRequest, opts ...gax.CallOption) (*ScheduleDeleteCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).ScheduleDeleteCertificateAuthority[0:len((*c.CallOptions).ScheduleDeleteCertificateAuthority):len((*c.CallOptions).ScheduleDeleteCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.ScheduleDeleteCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &ScheduleDeleteCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) UpdateCertificateAuthority(ctx context.Context, req *privatecapb.UpdateCertificateAuthorityRequest, opts ...gax.CallOption) (*UpdateCertificateAuthorityOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "certificate_authority.name", url.QueryEscape(req.GetCertificateAuthority().GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateCertificateAuthority[0:len((*c.CallOptions).UpdateCertificateAuthority):len((*c.CallOptions).UpdateCertificateAuthority)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.UpdateCertificateAuthority(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &UpdateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) GetCertificateRevocationList(ctx context.Context, req *privatecapb.GetCertificateRevocationListRequest, opts ...gax.CallOption) (*privatecapb.CertificateRevocationList, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).GetCertificateRevocationList[0:len((*c.CallOptions).GetCertificateRevocationList):len((*c.CallOptions).GetCertificateRevocationList)], opts...)
	var resp *privatecapb.CertificateRevocationList
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.GetCertificateRevocationList(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) ListCertificateRevocationLists(ctx context.Context, req *privatecapb.ListCertificateRevocationListsRequest, opts ...gax.CallOption) *CertificateRevocationListIterator {
	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).ListCertificateRevocationLists[0:len((*c.CallOptions).ListCertificateRevocationLists):len((*c.CallOptions).ListCertificateRevocationLists)], opts...)
	it := &CertificateRevocationListIterator{}
	req = proto.Clone(req).(*privatecapb.ListCertificateRevocationListsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*privatecapb.CertificateRevocationList, string, error) {
		resp := &privatecapb.ListCertificateRevocationListsResponse{}
		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.certificateAuthorityClient.ListCertificateRevocationLists(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

		it.Response = resp
		return resp.GetCertificateRevocationLists(), 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 *certificateAuthorityGRPCClient) UpdateCertificateRevocationList(ctx context.Context, req *privatecapb.UpdateCertificateRevocationListRequest, opts ...gax.CallOption) (*UpdateCertificateRevocationListOperation, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*time.Millisecond)
		defer cancel()
		ctx = cctx
	}
	md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "certificate_revocation_list.name", url.QueryEscape(req.GetCertificateRevocationList().GetName())))
	ctx = insertMetadata(ctx, c.xGoogMetadata, md)
	opts = append((*c.CallOptions).UpdateCertificateRevocationList[0:len((*c.CallOptions).UpdateCertificateRevocationList):len((*c.CallOptions).UpdateCertificateRevocationList)], opts...)
	var resp *longrunningpb.Operation
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.UpdateCertificateRevocationList(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return &UpdateCertificateRevocationListOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, resp),
	}, nil
}

func (c *certificateAuthorityGRPCClient) GetReusableConfig(ctx context.Context, req *privatecapb.GetReusableConfigRequest, opts ...gax.CallOption) (*privatecapb.ReusableConfig, error) {
	if _, ok := ctx.Deadline(); !ok && !c.disableDeadlines {
		cctx, cancel := context.WithTimeout(ctx, 60000*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).GetReusableConfig[0:len((*c.CallOptions).GetReusableConfig):len((*c.CallOptions).GetReusableConfig)], opts...)
	var resp *privatecapb.ReusableConfig
	err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
		var err error
		resp, err = c.certificateAuthorityClient.GetReusableConfig(ctx, req, settings.GRPC...)
		return err
	}, opts...)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *certificateAuthorityGRPCClient) ListReusableConfigs(ctx context.Context, req *privatecapb.ListReusableConfigsRequest, opts ...gax.CallOption) *ReusableConfigIterator {
	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).ListReusableConfigs[0:len((*c.CallOptions).ListReusableConfigs):len((*c.CallOptions).ListReusableConfigs)], opts...)
	it := &ReusableConfigIterator{}
	req = proto.Clone(req).(*privatecapb.ListReusableConfigsRequest)
	it.InternalFetch = func(pageSize int, pageToken string) ([]*privatecapb.ReusableConfig, string, error) {
		resp := &privatecapb.ListReusableConfigsResponse{}
		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.certificateAuthorityClient.ListReusableConfigs(ctx, req, settings.GRPC...)
			return err
		}, opts...)
		if err != nil {
			return nil, "", err
		}

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

// ActivateCertificateAuthorityOperation manages a long-running operation from ActivateCertificateAuthority.
type ActivateCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// ActivateCertificateAuthorityOperation returns a new ActivateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created ActivateCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) ActivateCertificateAuthorityOperation(name string) *ActivateCertificateAuthorityOperation {
	return &ActivateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// CreateCertificateAuthorityOperation manages a long-running operation from CreateCertificateAuthority.
type CreateCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// CreateCertificateAuthorityOperation returns a new CreateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created CreateCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) CreateCertificateAuthorityOperation(name string) *CreateCertificateAuthorityOperation {
	return &CreateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// DisableCertificateAuthorityOperation manages a long-running operation from DisableCertificateAuthority.
type DisableCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// DisableCertificateAuthorityOperation returns a new DisableCertificateAuthorityOperation from a given name.
// The name must be that of a previously created DisableCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) DisableCertificateAuthorityOperation(name string) *DisableCertificateAuthorityOperation {
	return &DisableCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// EnableCertificateAuthorityOperation manages a long-running operation from EnableCertificateAuthority.
type EnableCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// EnableCertificateAuthorityOperation returns a new EnableCertificateAuthorityOperation from a given name.
// The name must be that of a previously created EnableCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) EnableCertificateAuthorityOperation(name string) *EnableCertificateAuthorityOperation {
	return &EnableCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// RestoreCertificateAuthorityOperation manages a long-running operation from RestoreCertificateAuthority.
type RestoreCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// RestoreCertificateAuthorityOperation returns a new RestoreCertificateAuthorityOperation from a given name.
// The name must be that of a previously created RestoreCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) RestoreCertificateAuthorityOperation(name string) *RestoreCertificateAuthorityOperation {
	return &RestoreCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// ScheduleDeleteCertificateAuthorityOperation manages a long-running operation from ScheduleDeleteCertificateAuthority.
type ScheduleDeleteCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// ScheduleDeleteCertificateAuthorityOperation returns a new ScheduleDeleteCertificateAuthorityOperation from a given name.
// The name must be that of a previously created ScheduleDeleteCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) ScheduleDeleteCertificateAuthorityOperation(name string) *ScheduleDeleteCertificateAuthorityOperation {
	return &ScheduleDeleteCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// UpdateCertificateAuthorityOperation manages a long-running operation from UpdateCertificateAuthority.
type UpdateCertificateAuthorityOperation struct {
	lro *longrunning.Operation
}

// UpdateCertificateAuthorityOperation returns a new UpdateCertificateAuthorityOperation from a given name.
// The name must be that of a previously created UpdateCertificateAuthorityOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) UpdateCertificateAuthorityOperation(name string) *UpdateCertificateAuthorityOperation {
	return &UpdateCertificateAuthorityOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// UpdateCertificateRevocationListOperation manages a long-running operation from UpdateCertificateRevocationList.
type UpdateCertificateRevocationListOperation struct {
	lro *longrunning.Operation
}

// UpdateCertificateRevocationListOperation returns a new UpdateCertificateRevocationListOperation from a given name.
// The name must be that of a previously created UpdateCertificateRevocationListOperation, possibly from a different process.
func (c *certificateAuthorityGRPCClient) UpdateCertificateRevocationListOperation(name string) *UpdateCertificateRevocationListOperation {
	return &UpdateCertificateRevocationListOperation{
		lro: longrunning.InternalNewOperation(*c.LROClient, &longrunningpb.Operation{Name: name}),
	}
}

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

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

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

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

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

// CertificateAuthorityIterator manages a stream of *privatecapb.CertificateAuthority.
type CertificateAuthorityIterator struct {
	items    []*privatecapb.CertificateAuthority
	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 []*privatecapb.CertificateAuthority, nextPageToken string, err error)
}

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

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

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

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

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

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

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

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

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

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

// CertificateRevocationListIterator manages a stream of *privatecapb.CertificateRevocationList.
type CertificateRevocationListIterator struct {
	items    []*privatecapb.CertificateRevocationList
	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 []*privatecapb.CertificateRevocationList, nextPageToken string, err error)
}

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

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

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

// ReusableConfigIterator manages a stream of *privatecapb.ReusableConfig.
type ReusableConfigIterator struct {
	items    []*privatecapb.ReusableConfig
	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 []*privatecapb.ReusableConfig, nextPageToken string, err error)
}

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

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

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