AutoFetchingCache

Manually Cancel All Current Reloads

Insert an item in the cache, with an explicit expiration value.

If the expiration value is None, the item will never expire. The default expiration value of the cache is ignored.

The expiration value is relative to the current clockMonotonic time, i.e. it will be automatically added to the result of clockMonotonic for the supplied unit.

Return all keys present in the cache, including expired items.

Looks Up a Value in the Cache, since this cache is always populated it will always be Some.

This method always returns as is expected.

Return the size of the cache, including expired items.