code: @Override
      public void addSuperInterfacesInfo(Content classInfoTree) {
          SortedSet<TypeMirror> interfaces =
                  new TreeSet<>(utils.makeTypeMirrorIndexUseComparator());
          interfaces.addAll(utils.getAllInterfaces(typeElement));
  
          if (utils.isInterface(typeElement) && !interfaces.isEmpty()) {
              Content label = contents.allSuperinterfacesLabel;
              Content dt = HtmlTree.DT(label);
              Content dl = HtmlTree.DL(dt);
              dl.addContent(getClassLinks(LinkInfoImpl.Kind.SUPER_INTERFACES, interfaces));
              classInfoTree.addContent(dl);
          }
      }
docs: {@inheritDoc}