public static void WriteMethodFrame(short classId, short methodId, ref ValueWriter output)
 {
     output.WriteShortInt(classId);
     output.WriteShortInt(methodId);
 }
 public static void WriteFrameHeader(byte type, ushort channel, int payloadSize, ref ValueWriter output)
 {
     output.WriteOctet(type);
     output.WriteShortInt(channel);
     output.WriteLong(payloadSize);
 }