code: public void write(final File folder) throws IOException {
      try (final DataInputStream keyStream = entry.getKeyStream();
           final DataInputStream valueStream = entry.getValueStream();) {
        final String containerId = keyStream.readUTF();
        try (final Writer outputWriter = new OutputStreamWriter(
            new FileOutputStream(new File(folder, containerId + ".txt")), StandardCharsets.UTF_8)) {
          this.writeFiles(valueStream, outputWriter);
        }
      }
    }
docs: Writes the logs stored in the entry as text files in folder, one per container.
  
  @param folder
  @throws IOException