code: protected String formatClass(final JavaClassSource javaClass) {
          final Properties prefs = new Properties();
          try {
              prefs.load(BeanGenerator.class.getResourceAsStream(FORMATTER_PROPERTIES_FILE));
          } catch (final IOException e) {
              e.printStackTrace();
          }
          final String formattedSource = prefs != null ? Formatter.format(prefs, javaClass) : Formatter.format(javaClass);
  
          // System.out.println(formattedSource);
  
          return formattedSource;
      }
docs: @param javaClass
  
  @return