docs: public Object getNative(String key)
      {
          Node node = this.getNode(null, key, CreateMode.DONT_CREATE, true);
          if (node != null)
          {            
              Object object = node.getNodeValue();
              if (object instanceof String)   // Always
                  if (((String)object).length() > 0)  // Only return if non-null
                      return object;
          }
          return null;
      }