code: public static FileBatch readFromZip(File file) throws IOException {
          try (FileInputStream fis = new FileInputStream(file)) {
              return readFromZip(fis);
          }
      }
docs: Read a FileBatch from the specified file. This method assumes the FileBatch was previously saved to
  zip format using {@link #writeAsZip(File)} or {@link #writeAsZip(OutputStream)}
  
  @param file File to read from
  @return The loaded FileBatch
  @throws IOException If an error occurs during reading