code: function sendStatus(code, res){
  	try{
  		if (httpCodeMapping) {
  			code = mapHttpStatusCode(code);
  		}
  		addStrictTransportHeaders(res);
  		setResponseNoCache(res);
  		return res.sendStatus(code);
  	}catch(err){
  		logger.error(res.req.originalUrl , err.message);
  		throw err;
  	}
  }
docs: Helper for send a status response
  @param {Number} code
  @param {HttpResponse} res