public static <T> void mergeFrom(MessageUnpacker unpacker, T message, Schema<T> schema, boolean numeric)
            throws IOException
    {
        MsgpackParser parser = new MsgpackParser(unpacker, numeric);
        schema.mergeFrom(new MsgpackInput(parser), message);
    }
Merges the {@code message} from the JsonParser using the given {@code schema}.
protostuff-msgpack/src/main/java/io/protostuff/MsgpackIOUtil.java