@Override
      public void addAttribute(String key, String nsPrefix, String nsURI, String value, String type) {
        if (value != null && FxmlConstants.FX_ID.equals(nsPrefix + ":" + key)) {
          map.put(value, null);
        }
      }
@Override
      public void addAttribute(String key, String nsPrefix, String nsURI, String value, String type)