<itemvalue="A class that can be extended or mixed in that provides a change notification API using [VoidCallback] for notifications. It is O(1) for adding listeners and O(N) for removing listeners and dispatching notifications (where N is the number of listeners). {@macro flutter.flutter.animatedbuilder_changenotifier.rebuild} See also: [ValueNotifier], which is a [ChangeNotifier] that wraps a single value."/>
<itemvalue="Marker object indicating that a [DiagnosticsNode] has no default value."/>
<itemvalue="An opaque object representing a composited scene. To create a Scene object, use a [SceneBuilder]. Scene objects can be displayed on the screen using the [FlutterView.render] method."/>