TUINetwork constructor
      
      TUINetwork({ 
    
    
- required String userId,
 - required TUINetworkQuality quality,
 - required int upLoss,
 - required int downLoss,
 - required int delay,
 
Implementation
TUINetwork({
  required this.userId,
  required this.quality,
  required this.upLoss,
  required this.downLoss,
  required this.delay,
});