code: public SessionConfigType<T> trackingMode(TrackingModeType ... values)
     {
        if (values != null)
        {
           for(TrackingModeType name: values)
           {
              childNode.createChild("tracking-mode").text(name);
           }
        }
        return this;
     }
docs: Creates for all javaee:tracking-modeType objects representing <code>tracking-mode</code> elements,
  a new <code>tracking-mode</code> element
  @param values list of <code>tracking-mode</code> objects
  @return the current instance of <code>SessionConfigType<T></code>