internal static Task <ServerMessage> SendClientMessage(ButtplugFFIMessageSorter aSorter, ButtplugFFIClientHandle aHandle, FlatBufferBuilder aBuilder, ClientMessageType aType, int aOffset)
        {
            ClientMessage.StartClientMessage(aBuilder);
            ClientMessage.AddMessageType(aBuilder, aType);
            ClientMessage.AddMessage(aBuilder, aOffset);
            var task = aSorter.PrepareClientMessage(aBuilder);
            var create_client_msg = CreateClient.EndCreateClient(aBuilder);

            aBuilder.Finish(create_client_msg.Value);
            var buf = aBuilder.SizedByteArray();

            ButtplugFFICalls.buttplug_parse_client_message(aHandle, buf, buf.Length);
            return(task);
        }