docs: private List<Element> getNewChildren(final DitaClass cls, final Document doc) {
          final List<Element> res = new ArrayList<>();
          if (metaTable.containsKey(cls.matcher)) {
              metaTable.get(cls.matcher);
              final NodeList list = metaTable.get(cls.matcher).getChildNodes();
              for (int i = 0; i < list.getLength(); i++) {
                  Node item = list.item(i);
                  res.add((Element) doc.importNode(item, true));
              }
          }
          Collections.reverse(res);
          return res;
      }