docs: private boolean isPushedTypeMatch(final DitaClass targetClassAttribute, final DocumentFragment content) {
          DitaClass clazz = null;
  
          if (content.hasChildNodes()) {
              final NodeList nodeList = content.getChildNodes();
              for (int i = 0; i < nodeList.getLength(); i++) {
                  final Node node = nodeList.item(i);
                  if (node.getNodeType() == Node.ELEMENT_NODE) {
                      final Element elem = (Element) node;
                      clazz = new DitaClass(elem.getAttribute(ATTRIBUTE_NAME_CLASS));
                      break;
                      // get type of the target element
                  }
              }
          }
  
          return targetClassAttribute.matches(clazz);
      }