toJson method
Implementation
Map<String, dynamic> toJson() => <String, dynamic>{
'uid': uid,
'topic': topic,
'content': content,
'type': type,
'status': status,
//
'top': top,
'unread': unread,
'unreadCount': unreadCount,
'mute': mute,
'star': star,
'folded': folded,
//
'client': client,
'extra': extra,
//
'user': user?.toJson(),
// 'agent': agent,
//
'updatedAt': updatedAt,
};