toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'notification_group_id': notificationGroupId,
'type': type?.toJson(),
'chat_id': chatId,
'notification_settings_chat_id': notificationSettingsChatId,
'notification_sound_id': notificationSoundId.toString(),
'total_count': totalCount,
'added_notifications': addedNotifications
.map((item) => item.toJson())
.toList(),
'removed_notification_ids': removedNotificationIds
.map((item) => item)
.toList(),
'@type': constructor,
};