code: public void storeLocal(final File file) throws IOException {
      final BufferedOutputStream out =
          new BufferedOutputStream(new FileOutputStream(file));
      try {
        storeLocal(out);
      } finally {
        out.close();
      }
    }
docs: Store only those properties defined at this local level
  
  @param file The file to write to
  @throws IOException If the file can't be found or there is an io error