docs: public org.w3c.dom.Node getMessageBody(Object rawData, boolean bReturnCopy)
      {
          if (this.getRawData() instanceof String)
          {   // Always
              String strXML = this.getXML();
              return Utility.convertXMLToDOM(strXML);
          }
          return super.getMessageBody(rawData, bReturnCopy);
      }