static <T extends Annotation> List<T> findAll(AnnotatedElement element, Class<T> annotationType) {
        return find(element, annotationType, EnumSet.of(FindOption.LOOKUP_SUPER_CLASSES,
                                                        FindOption.LOOKUP_META_ANNOTATIONS));
    }
Returns all annotations of the {@code annotationType} which are found from the following.
<ul>
    <li>the specified {@code element}</li>
    <li>the super classes of the specified {@code element} if the {@code element} is a class</li>
    <li>the meta-annotations of the annotations specified on the {@code element}
    or its super classes</li>
</ul>

@param element the {@link AnnotatedElement} to find annotations
@param annotationType the type of the annotation to find
core/src/main/java/com/linecorp/armeria/internal/server/annotation/AnnotationUtil.java