public static void afterHandler(
     ComponentCore comp, PatternExtractor event, MatchedHandler handler) {
   for (HandlerDecorator decorator : afterHandlerDecorators) {
     decorator.afterHandler(comp, event, handler);
   }
 }
 public static void afterHandler(ComponentCore comp, KompicsEvent event, Handler<?> handler) {
   for (HandlerDecorator decorator : afterHandlerDecorators) {
     decorator.afterHandler(comp, event, handler);
   }
 }