public Class<? extends Annotation> getAnnotationClass() {
        return annotationClass;
    }
Returns the type of annotation that indicates a method that should be represented as an {@link EventListener},
defaults to {@link Subscribe}.

@return the type of annotation that indicates a method that should be represented as an {@link EventListener},
defaults to {@link Subscribe}.
event/src/main/java/org/apache/shiro/event/support/AnnotationEventListenerResolver.java