gistfile1.txt

CacheControlHeaderProvider = (request, cfg) =>
  {
      var matcher = new Regex("/Api/Notifications");
      if (matcher.IsMatch(request.RequestUri.ToString()))
      {
          return null;
      }

      return new CacheControlHeaderValue
      {
          Private = true,
          MustRevalidate = true,
          NoTransform = true,
          MaxAge = TimeSpan.Zero
      };
  }