code: private static Set<Annotation> httpMethodAnnotations(Method method) {
          return getAnnotations(method, FindOption.LOOKUP_SUPER_CLASSES)
                  .stream()
                  .filter(annotation -> HTTP_METHOD_MAP.containsKey(annotation.annotationType()))
                  .collect(Collectors.toSet());
      }
docs: Returns {@link Set} of HTTP method annotations of a given method.
  The annotations are as follows.
  
  @see Options
  @see Get
  @see Head
  @see Post
  @see Put
  @see Patch
  @see Delete
  @see Trace