This method is present for historical reasons and is not used with keyed archivers.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The version in effect for the class named
NSNot if no class named
The version number does apply not to
NSKeyed. A keyed archiver does not encode class version numbers.