toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'gift_id': giftId,
'order': order?.toJson(),
'for_crafting': forCrafting,
'for_stars': forStars,
'attributes': attributes.map((item) => item.toJson()).toList(),
'offset': offset,
'limit': limit,
'@type': constructor,
};