private boolean retrieveOldSettings(@NotNull Element element) {
    boolean hasOldSettings = false;
    for (Element option : element.getChildren(OPTION_TAG)) {
      final String name = option.getAttributeValue(NAME_ATT);
      if (name != null) {
        hasOldSettings |= processElement(option, name);
      }
    }
    return hasOldSettings;
  }
private boolean retrieveOldSettings(@NotNull Element element)