Method: Decrements numeric cache item’s value.

Method: Generates a unique cache key.

Method: Serves as a utility method to determine whether a key exists in the cache.

Method: Deletes cache/namespace directory.

Method: Counts the number of cache hits and writes it to a file.

Method: Counts the number of cache misses and writes it to a file.

Method: Removes any and all stale items from the cache.

Method: Removes all cache items from a particular namespace.

Method: Retrieve the cache file.

Method: Sets the data contents into the cache.