private ApimanEvent getAnnotation(Class<? extends IVersionedApimanEvent> klazz) {
        if (klazz.isAnnotationPresent(ApimanEvent.class)) {
            return klazz.getAnnotation(ApimanEvent.class);
        }
        return null;
    }
@author Marc Savy {@literal <marc@blackparrotlabs.io>}
manager/api/rest-impl/src/main/java/io/apiman/manager/api/events/EventFactory.java