public boolean getReturnValue(Element parent) {
   for (Element e : XmlUtils.selectElements(RETURN_VALUE_EXPR, parent)) {
     return Boolean.parseBoolean(XmlUtils.getText(e));
   }
   return false;
 }
 public String getPath(Element parent) {
   for (Element e : XmlUtils.selectElements(PATH_EXPR, parent)) {
     return XmlUtils.getText(e);
   }
   return null;
 }