private static Boolean Handler(NetworkFileCache cache, String key, Byte[] value, TimeSpan timespan) { HttpNetworkResponse header = new HttpNetworkResponse(); header.SetBegin(200); header.SetContentType(Path.GetExtension(key)); header.SetHeader("Cache-Control", $"max-age={timespan.Seconds}"); header.SetBody(value); return(cache.Add(key, header.Cache.Data, timespan)); }