private static String[] readFilters(Element element, final String tagName) {
    final List<Element> children = element.getChildren(tagName);
    List<String> filters = new ArrayList<>();
    for (Element child : children) {
      filters.add(child.getValue());
    }
    return filters.isEmpty() ? null : ArrayUtilRt.toStringArray(filters);
  }
private static String[] readFilters(Element element, final String tagName)