CachingOptions
public CachingOptions(Func<TimeSpan> expirationTimeSpan, ExpirationType expirationType, Func<TimeSpan> maxValueFactoryExecutionTime)
public CachingOptions(TimeSpan expirationTimeSpan, ExpirationType expirationType, TimeSpan maxValueFactoryExecutionTime)
public CachingOptions(Func<TimeSpan> expirationTimeSpan, ExpirationType expirationType, Func<TimeSpan> maxValueFactoryExecutionTime, int maxValueFactoryRetryAttempts, bool waitForCompletionOnTimeout, bool cacheNullValues, bool disposeRemovedEntries)