private static void RenderXmlResponse(Action<XmlFormatter> action, IControllerContext context, IEngineContext engineContext)
 {
     XmlFormatter formatter = new XmlFormatter(context, engineContext);
     action.Invoke(formatter);            
 }
        private static void RenderXmlResponse(Action <XmlFormatter> action, IControllerContext context, IEngineContext engineContext)
        {
            XmlFormatter formatter = new XmlFormatter(context, engineContext);

            action.Invoke(formatter);
        }