BackgroundSubtractorKNN.empty constructor
      
      BackgroundSubtractorKNN.empty()
     
    
    
Implementation
factory BackgroundSubtractorKNN.empty() {
  final p = calloc<cvg.BackgroundSubtractorKNN>();
  cvRun(() => cvideo.cv_BackgroundSubtractorKNN_create(p));
  return BackgroundSubtractorKNN(p);
}