package kafka type packetEncoder interface { putInt8(in int8) putInt16(in int16) putInt32(in int32) putInt64(in int64) putError(in KError) putString(in *string) putBytes(in *[]byte) putArrayCount(in int) push(in pushEncoder) pushLength32() pushCRC32() pop() } type pushEncoder interface { saveOffset(in int) reserveLength() int run(curOffset int, buf []byte) }