private void notifyAnnotationHandler(AnnotatedServiceLifecycleHandler annotationHandler, SingletonService candidate) {
            if (annotationHandler.getImplicitAnnotation() != null) {
                annotationHandler.whenRegistered(annotationHandler.getImplicitAnnotation(), new RegistrationWrapper(candidate));
            } else {
                for (Class<? extends Annotation> annotation : annotationHandler.getAnnotations()) {