return null;
        }

        @Override
        public Node getPreviousSibling() {
            return null;
        }

        @Override
        public Node getNextSibling() {
            return null;
        }

        @Override
        public org.w3c.dom.Document getOwnerDocument() {
            return null;
        }

        @Override

    }

    List<Element> getElements() {
        List<Element> elements = new ArrayList<Element>();
        for (Node node = stack.getLast().getFirstChild(); node != null; node = node.getNextSibling()) {
            elements.add((Element) node);
        }
        return elements;
    }

    public void appendChild(String text) {
        appendChild(document.createTextNode(text));
    }