toJson method
Implementation
@override
String? toJson(NavigationRailLabelType? object) {
if (object == null) return null;
switch (object) {
case NavigationRailLabelType.all:
return 'all';
case NavigationRailLabelType.none:
return 'none';
case NavigationRailLabelType.selected:
return 'selected';
}
}