Gets an item from the cache (lazilly cached)
Key should be an immutable (ie: String)
Infos: will be passed to read, can be anyhting that help you creation the value in read()
Gets an item from the cache (lazilly cached) Key should be an immutable (ie: String) Infos: will be passed to read, can be anyhting that help you creation the value in read()
Returns: Parameters: - key -