5#if PROTOCOL_VERSION > 766
14#if PROTOCOL_VERSION < 767
20#if PROTOCOL_VERSION < 766
#define SERIALIZED_FIELD(Name,...)
SERIALIZED_FIELD(Operation, VarInt)
SERIALIZED_FIELD(Id, Identifier)
SERIALIZED_FIELD(Amount, double)
DECLARE_READ_WRITE_SERIALIZE
std::array< unsigned char, 16 > UUID