toJson method Null safety

  1. @override
Map<String, dynamic> toJson()
override

Implementation

@override
Map<String, dynamic> toJson() {
  final json = super.toJson();
  json['type'] = type;
  json.addAll({
    'length': length,
    'variables': variables?.map((f) => f.toJson()).toList(),
  });
  _setIfNotNull(json, 'parent', parent?.toJson());
  return json;
}