Deletes the cached section information with the given name.
- iOS 3.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The name of the cache file to delete.
nil, deletes all cache files.
Getting Configuration Information
The key path on the fetched objects used to determine the section they belong to.
The name of the file used to cache section information.
The object that is notified when the fetched results changed.