docs: public <T extends View> int getNumberOfUniqueViews(Set<T>uniqueViews, ArrayList<T> views){
  		for(int i = 0; i < views.size(); i++){
  			uniqueViews.add(views.get(i));
  		}
  		numberOfUniqueViews = uniqueViews.size();
  		return numberOfUniqueViews;
  	}