code: public static <M extends Message> LzoBinaryB64LineRecordWriter<M, ProtobufWritable<M>>
                 newProtobufWriter(Class<M> tClass, DataOutputStream out) {
      return new LzoBinaryB64LineRecordWriter<M, ProtobufWritable<M>>
                              (ProtobufConverter.newInstance(tClass), out);
    }
docs: for convenience