@Override
  public boolean isModified() {
    final List<UserDefinedJsonSchemaConfiguration> storedList = getStoredList();
    final List<UserDefinedJsonSchemaConfiguration> uiList;
    try {
      uiList = getUiList(false);
    }
    catch (ConfigurationException e) {
      //will not happen
      return false;
    }
    return !storedList.equals(uiList);
  }
@Override
  public boolean isModified()