public static <T extends Message<T>> void writeTo(OutputStream out, T message, boolean numeric,
            LinkedBuffer buffer)
            throws IOException
    {
        writeTo(out, message, message.cachedSchema(), numeric, buffer);
    }
Serializes the {@code message} into an {@link OutputStream} via {@link MsgpackXOutput} with the supplied buffer.
protostuff-msgpack/src/main/java/io/protostuff/MsgpackXIOUtil.java