docs: public boolean isAnnotated(ExecutableElement method) {
          List<? extends AnnotationMirror> annotationMirrors = method.getAnnotationMirrors();
          for (AnnotationMirror annotationMirror : annotationMirrors) {
              String typeName = annotationMirror.getAnnotationType().toString();
              if (!AnnotationUtil.INTERNAL_ANNOTATION_NAMES.contains(typeName)) {
                  return true;
              }
          }
          return false;
      }