code: public static Node selectSingleNode(Node node, String xpathQuery, Map<String, String> namespaceUris) {
          XPath xpath = DocumentHelper.createXPath(xpathQuery);
          xpath.setNamespaceURIs(namespaceUris);
  
          return xpath.selectSingleNode(node);
      }
docs: Executes the specified namespace aware XPath query as a single node query, returning the resulting single node.