public static byte[] MakeKeepAliveBuffer()
        {
            var builder = new FlatBufferBuilder(DefaultBufferBytes);

            KeepAlivePacket.StartKeepAlivePacket(builder);

            KeepAlivePacket.AddOpcode(builder, (short)Opcode.KeepAlive);

            var abortOffset = KeepAlivePacket.EndKeepAlivePacket(builder);

            builder.Finish(abortOffset.Value);

            return(builder.SizedByteArray());
        }