toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'reply_count': replyCount,
'recent_replier_ids': recentReplierIds
.map((item) => item.toJson())
.toList(),
'last_read_inbox_message_id': lastReadInboxMessageId,
'last_read_outbox_message_id': lastReadOutboxMessageId,
'last_message_id': lastMessageId,
'@type': constructor,
};