public void Set(HttpContext context, ApiCacheOutput response)
        {
            if (context.IsOutputCachingEnabled(out var options))
            {
                var cacheMode    = (CacheManager.Core.ExpirationMode)options.ExpirationMode;
                var cacheTimeout = TimeSpan.FromSeconds(options.ServerTimeSpan);

                string itemKey = _cacheKey.MakeCacheKey(context);
                _cacheManager.Add(new CacheItem <ApiCacheOutput>(
                                      itemKey,
                                      response,
                                      cacheMode,
                                      cacheTimeout));
                if (!Keys.Contains(itemKey))
                {
                    Keys.Add(itemKey);
                }
            }
        }
 public bool TryGetValue(HttpContext context, out ApiCacheOutput response)
 {
     response = _cacheManager.Get(_cacheKey.MakeCacheKey(context)) as ApiCacheOutput;
     return(response != null);
 }