delete file;
          }
        });
    writer->plugin_file = nullptr;
    return writer;
  }

  std::unique_ptr<TF_RandomAccessFile, void (*)(TF_RandomAccessFile* file)>
  GetReader() {
    std::unique_ptr<TF_RandomAccessFile, void (*)(TF_RandomAccessFile * file)>
        reader(new TF_RandomAccessFile, [](TF_RandomAccessFile* file) {
          if (file != nullptr) {