Adds data to the cache, if the cache key doesn’t already exist.

Adds a group or set of groups to the list of global groups.

Adds multiple values to the cache in one call.

Adds a group or set of groups to the list of non-persistent groups.

Closes the cache.

Decrements numeric cache item’s value.

Removes the cache contents matching key and group.

Deletes multiple values from the cache in one call.

Removes all cache items.

Removes all cache items from the in-memory runtime cache.