You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: app_identity_service.pb.go
    path of file: ./repos/moby/vendor/google.golang.org/appengine/internal/app_identity
    
    the code of the file until where you have to start completion: // Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/app_identity/app_identity_service.proto

package app_identity

import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package

type AppIdentityServiceError_ErrorCode int32

const (
	AppIdentityServiceError_SUCCESS           AppIdentityServiceError_ErrorCode = 0
	AppIdentityServic
    
func init() {
	proto.RegisterType((*AppIdentityServiceError)(nil), "appengine.AppIdentityServiceError")
	proto.RegisterType((*SignForAppRequest)(nil), "appengine.SignForAppRequest")
	proto.RegisterType((*SignForAppResponse)(nil), "appengine.SignForAppResponse")
	proto.RegisterType((*GetPublicCertificateForAppRequest)(nil), "appengine.GetPublicCertificateForAppRequest")
	proto.RegisterType((*PublicCertificate)(nil), "appengine.PublicCertificate")
	proto.RegisterType((*GetPublicCertificateForAppResponse)(nil), "appengine.GetPublicCertificateForAppResponse")
	proto.RegisterType((*GetServiceAccountNameRequest)(nil), "appengine.GetServiceAccountNameRequest")
	proto.RegisterType((*GetServiceAccountNameResponse)(nil), "appengine.GetServiceAccountNameResponse")
	proto.RegisterType((*GetAccessTokenRequest)(nil), "appengine.GetAccessTokenRequest")
	proto.RegisterType((*GetAccessTokenResponse)(nil), "appengine.GetAccessTokenResponse")
	proto.RegisterType((*GetDefaultGcsBucketNameRequest)(nil), "appengine.GetDefaultGcsBucketNameRequest")
	proto.RegisterType((*GetDefaultGcsBucketNameResponse)(nil), "appengine.GetDefaultGcsBucketNameResponse")
}