code: @Override
    protected void onNonComplyingFile(File file, String formatted) throws IOException {
      CharSink sink = Files.asCharSink(file, Charsets.UTF_8);
      sink.write(formatted);
    }
docs: Hook called when the processd file is not compliant with the formatter.
  
  @param file the file that is not compliant
  @param formatted the corresponding formatted of the file.