* A cache that does not cache. This implementation is useful for disabling caching.
* Because of this implementation, application code does not need to distinguish
* between the situation where it a cache is used and where it isn't.
* A cache that does not cache. This implementation is useful for disabling caching.
* Because of this implementation, application code does not need to distinguish
* between the situation where it a cache is used and where it isn't.