visit method
Implementation
@override
ConstructorCall visit(AnimationDefaults widget) {
Map<String, dynamic> props = NotNullMap.from({
'duration': ArgumentEncoders.duration(widget.duration),
'curve': ArgumentEncoders.curve(widget.curve),
'child': ArgumentEncoders.widget(widget),
});
return ConstructorCall('${widget.runtimeType}', props);
}