The name of the file used to cache section information.
- iOS 3.0+
- macOS 10.12+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The file itself is stored in a private directory; you can only access it by name using
Getting Configuration Information
The key path on the fetched objects used to determine the section they belong to.
The object that is notified when the fetched results changed.