toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'chat_id': chatId,
'list': list?.toJson(),
'order': order,
'can_be_archived': canBeArchived,
'max_read_story_id': maxReadStoryId,
'stories': stories.map((item) => item.toJson()).toList(),
'@type': constructor,
};