code: public <A extends Annotation> A findAnnotationOnBean(Class<A> annotationType) {
          return applicationContext.findAnnotationOnBean(beanName, annotationType);
      }
docs: Attempts to find and return an annotation of the specified type declared on this side bar item.
  
  @param annotationType the type of the annotation to look for.
  @return the annotation, or {@code null} if not found.