feedback property
      
      BarcodeCaptureFeedback
      get
      feedback
      
    
    
    
Implementation
BarcodeCaptureFeedback get feedback => _feedback;
      
      set
      feedback
      (BarcodeCaptureFeedback newValue) 
      
    
    
    
Implementation
set feedback(BarcodeCaptureFeedback newValue) {
  _feedback = newValue;
  _controller.updateMode();
}