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: extension.pb.go
    path of file: ./repos/faas-netes/vendor/github.com/google/gnostic-models/extensions
    
    the code of the file until where you have to start completion: // Copyright 2017 Google LLC. All Rights Reserved.
//
// 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
//
//    http://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. DO NOT EDIT.
// versions:
// 	protoc-gen-go v1.27.1
// 	protoc        v3.19.3
// source: extensions/extension.proto

package gnostic_extension_v1

import (
	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
	anypb "google.golang.org/protobuf/types/known/anypb"
	reflect "reflect"
	sync "sync"
)

const (
	// Verify that this generated code is sufficiently up-to-date.
	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
	// Verify that runtime/protoimpl is sufficiently up-to-date.
	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)

// The versi
    
func file_extensions_extension_proto_init() {
	if File_extensions_extension_proto != nil {
		return
	}
	if !protoimpl.UnsafeEnabled {
		file_extensions_extension_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*Version); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			default:
				return nil
			}
		}
		file_extensions_extension_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*ExtensionHandlerRequest); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			default:
				return nil
			}
		}
		file_extensions_extension_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*ExtensionHandlerResponse); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			default:
				return nil
			}
		}
		file_extensions_extension_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*Wrapper); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			default:
				return nil
			}
		}
	}
	type x struct{}
	out := protoimpl.TypeBuilder{
		File: protoimpl.DescBuilder{
			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
			RawDescriptor: file_extensions_extension_proto_rawDesc,
			NumEnums:      0,
			NumMessages:   4,
			NumExtensions: 0,
			NumServices:   0,
		},
		GoTypes:           file_extensions_extension_proto_goTypes,
		DependencyIndexes: file_extensions_extension_proto_depIdxs,
		MessageInfos:      file_extensions_extension_proto_msgTypes,
	}.Build()
	File_extensions_extension_proto = out.File
	file_extensions_extension_proto_rawDesc = nil
	file_extensions_extension_proto_goTypes = nil
	file_extensions_extension_proto_depIdxs = nil
}