code: func (z MetricsDeleteResp) EncodeMsg(en *msgp.Writer) (err error) {
  	// map header, size 1
  	// write "DeletedDefs"
  	err = en.Append(0x81, 0xab, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x64, 0x44, 0x65, 0x66, 0x73)
  	if err != nil {
  		return
  	}
  	err = en.WriteInt(z.DeletedDefs)
  	if err != nil {
  		err = msgp.WrapError(err, "DeletedDefs")
  		return
  	}
  	return
  }
docs: // EncodeMsg implements msgp.Encodable