toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'url': url,
'bot_user_id': botUserId,
'parameters': parameters?.toJson(),
'connection_date': connectionDate,
'is_disconnected': isDisconnected,
'user_count': userCount.toString(),
'revenue_star_count': revenueStarCount,
'@type': constructor,
};