public static <S, T extends Event, U extends T> InputMapTemplate<S, U> ignore(
            EventPattern<? super T, ? extends U> eventPattern) {
        return new PatternActionTemplate<>(eventPattern, PatternActionTemplate.CONST_IGNORE);
    }
public static < S , T extends Event , U extends T > InputMapTemplate < S , U > ignore ( EventPattern < ? super T , ? extends U > eventPattern ) { return new PatternActionTemplate < > ( eventPattern , PatternActionTemplate . CONST_IGNORE ) ; }
If the given {@link EventPattern} matches the given event type, does nothing and does not attempt
to match additional {@code InputMap}s (if they exist).