@Override
  public void setSeparator(String separator) {
    myByWordPrefixesGrouper.setSeparator(separator);
    PropertiesSeparatorManager separatorManager = PropertiesSeparatorManager.getInstance(getPsiFile().getProject());
    separatorManager.setSeparator(((PropertiesFileImpl)getPsiFile()).getResourceBundle(), separator);
  }
@Override
  public void setSeparator(String separator)