code: private static Document createSurroundingXMLResp() throws ParserConfigurationException {
          final Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
          return document;
      }
docs: This method creates a new {@link Document} instance for the surrounding
  XML element for the client response.
  
  @return The created {@link Document} instance.
  @throws ParserConfigurationException
  The exception occurred.