The class responsible for creating this object when restoring the app’s state.
- iOS 7.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
If an object has an associated restoration class, the
object(with method of that class is called during state restoration. That method is responsible for returning the object that matches the provided path identifier information. If this property is
nil, the object must already exist and be registered with the state restoration engine so that it can be found implicitly. You can register the object using the
register method at launch time.
The restoration class must conform to the