feedback property
      
      BarcodeArFeedback
      get
      feedback
      
    
    
    
Implementation
BarcodeArFeedback get feedback => _feedback;
      
      set
      feedback
      (BarcodeArFeedback newValue) 
      
    
    
    
Implementation
set feedback(BarcodeArFeedback newValue) {
  _feedback = newValue;
  _controller?.updateFeedback(newValue);
}