import 'package:json_annotation/json_annotation.dart'; part 'capabilities.g.dart'; @JsonSerializable() class Capabilities { Capabilities({ required this.canPlayOnDemand, }); @JsonKey(name: 'can_play_on_demand') final bool canPlayOnDemand; factory Capabilities.fromJson(Map json) => _$CapabilitiesFromJson(json); Map toJson() => _$CapabilitiesToJson(this); }