if (firstChild instanceof Text) {
                firstChild.setTextContent(firstChild.getTextContent().replaceFirst("^\\s+", ""));
            }
            Node lastChild = element.getLastChild();
            if (lastChild instanceof Text) {
                lastChild.setTextContent(lastChild.getTextContent().replaceFirst("\\s+$", ""));
            }
            valueTitles.add(element);
        }