private void readStopClasses(@NotNull Element node) {
    List<Element> classes = node.getChildren("stopClasses");
    if (classes.isEmpty()) return;
    Element element = classes.get(0);
    List<Content> contentList = element.getContent();
    if (contentList.isEmpty()) return;
    String text = contentList.get(0).getValue();
    myStopClassSet.addAll(Arrays.asList(text.split(",")));
  }
private void readStopClasses(@NotNull Element node)