docs: private static Set<Annotation> getAnnotations(final Annotation[] annotations, final Class<? extends Annotation> neededAnnotationType) {
          final Set<Annotation> ret = new HashSet<>();
  
          for (final Annotation annotation : annotations) {
              annotation.annotationType().getAnnotations();
              final Annotation[] metaAnnotations = annotation.annotationType().getAnnotations();
              for (final Annotation metaAnnotation : metaAnnotations) {
                  if (metaAnnotation.annotationType().equals(neededAnnotationType)) {
                      ret.add(annotation);
                  }
              }
          }
  
          return ret;
      }