code: protected List<String> getClassKeyword(TypeElement typeElement) {
          ArrayList<String> metakeywords = new ArrayList<>(1);
          String cltypelower = config.utils.isInterface(typeElement) ? "interface" : "class";
          metakeywords.add(config.utils.getFullyQualifiedName(typeElement) + " " + cltypelower);
          return metakeywords;
      }
docs: Get the current class for a meta tag keyword, as the first
  and only element of an array list.