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: base.pb.go
    path of file: ./repos/protobuf-go/cmd/protoc-gen-go/testdata/extensions/base
    
    the code of the file until where you have to start completion: // Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Code generated by protoc-gen-go. DO NOT EDIT.
// source: cmd/protoc-gen-go/testdata/extensions/base/base.proto

package base

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

type BaseMessage struct {
	state           protoimpl.MessageState
	sizeCache       protoimpl.SizeCache
	unknownFields   protoimpl.UnknownFields
	extensionFields protoimpl.ExtensionFields

	Field *string `protobuf:"bytes,1,opt,name=field" json:"field,omitempty"`
}

func (x *BaseMessage) Reset() {

    
func file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_init() {
	if File_cmd_protoc_gen_go_testdata_extensions_base_base_proto != nil {
		return
	}
	if !protoimpl.UnsafeEnabled {
		file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*BaseMessage); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			case 3:
				return &v.extensionFields
			default:
				return nil
			}
		}
		file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
			switch v := v.(*MessageSetWireFormatMessage); i {
			case 0:
				return &v.state
			case 1:
				return &v.sizeCache
			case 2:
				return &v.unknownFields
			case 3:
				return &v.extensionFields
			default:
				return nil
			}
		}
	}
	type x struct{}
	out := protoimpl.TypeBuilder{
		File: protoimpl.DescBuilder{
			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
			RawDescriptor: file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_rawDesc,
			NumEnums:      0,
			NumMessages:   2,
			NumExtensions: 0,
			NumServices:   0,
		},
		GoTypes:           file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_goTypes,
		DependencyIndexes: file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_depIdxs,
		MessageInfos:      file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_msgTypes,
	}.Build()
	File_cmd_protoc_gen_go_testdata_extensions_base_base_proto = out.File
	file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_rawDesc = nil
	file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_goTypes = nil
	file_cmd_protoc_gen_go_testdata_extensions_base_base_proto_depIdxs = nil
}