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: message.go
    path of file: ./repos/kubernetes/vendor/github.com/chai2010/gettext-go/mo
    
    the code of the file until where you have to start completion: // Copyright 2013 ChaiShushan <chaishushan{AT}gmail.com>. All rights reserved.
// Use of this source code is governed by a BSD-style
// lic
    
func (p Message) String() string {
	var buf bytes.Buffer
	fmt.Fprintf(&buf, "msgid %s", encodePoString(p.MsgId))
	if p.MsgIdPlural != "" {
		fmt.Fprintf(&buf, "msgid_plural %s", encodePoString(p.MsgIdPlural))
	}
	if p.MsgStr != "" {
		fmt.Fprintf(&buf, "msgstr %s", encodePoString(p.MsgStr))
	}
	for i := 0; i < len(p.MsgStrPlural); i++ {
		fmt.Fprintf(&buf, "msgstr[%d] %s", i, encodePoString(p.MsgStrPlural[i]))
	}
	return buf.String()
}