docs: function getHandler(fn) {
      if (isFunction(fn) && fn.actionHandler) {
          return function (req, res, next) {
              terminateMethods.map(function (method) {
                  res[method] = getWrappedResponse(res[method]);
              });
              callHandler(fn, req, res, next);
          };
      } else {
          return fn;
      }
  }