import javafx.event.ActionEvent; import javafx.event.Event; import javafx.scene.input.ScrollEvent; public class HighlightExact { public void onSameArg(ActionEvent e) {} public void onSuperArg(Event e) {} public void onNoArg() {} public String onSameArgNotVoid(ActionEvent e) {return "";} public Boolean onSuperArgNotVoid(Event e) {return false;} public int onNoArgNotVoid() {return 1;} public void onIncompatible(ScrollEvent e) {} }