LazyMemoryCache
protected LazyMemoryCache()
public object GetOrAdd(string key, object factoryData, Func<string, object, CancellationToken, object> valueFactory, Action<string, object, object, CacheEntryRemovedReason> removeCallback, TimeSpan expirationTimeSpan, ExpirationType expirationType, TimeSpan maxValueFactoryExeuctionTime, int maxValueFactoryRetryAttempts = 1)