public void test_getTypes() {
        String[] types = fileTypeHelper.getTypes();
        assertNotNull(types);
        assertEquals(0, types.length);

        fileTypeHelper.add("application/pdf", "pdf");
        fileTypeHelper.add("text/plain", "text");
        fileTypeHelper.add("image/jpeg", "image");

        types = fileTypeHelper.getTypes();
        assertEquals(3, types.length);

        Arrays.sort(types);

   */
  final <T> T newProxy(TypeToken<T> interfaceType) {
    Set<Class<?>> interfaceClasses = new LinkedHashSet<>();
    Set<Class<? super T>> allInterfaceClasses = interfaceType.getTypes().interfaces().rawTypes();
    for (Class<? super T> itf : allInterfaceClasses) {
      Iterator<Class<?>> iterator = interfaceClasses.iterator();
      boolean addToSet = true;
      while (iterator.hasNext()) {

   */
  final <T> T newProxy(TypeToken<T> interfaceType) {
    Set<Class<?>> interfaceClasses = new LinkedHashSet<>();
    Set<Class<? super T>> allInterfaceClasses = interfaceType.getTypes().interfaces().rawTypes();
    for (Class<? super T> itf : allInterfaceClasses) {
      Iterator<Class<?>> iterator = interfaceClasses.iterator();
      boolean addToSet = true;
      while (iterator.hasNext()) {

    }

    /**
     * Gets all distinct file types currently configured in the mappings.
     *
     * @return an array of all unique file type values
     */
    public String[] getTypes() {
        return mimetypeMap.values().stream().distinct().toArray(n -> new String[n]);
    }

            final ResourceBundle resources = ResourceBundle.getBundle("fess_label", Locale.ENGLISH);
            final String[] fileTypes = ComponentUtil.getFileTypeHelper().getTypes();
            for (final String fileType : fileTypes) {
                final String value = filetypeField + ":" + fileType;
                if (!values.contains(value)) {

        // This is a class whose supertypes we want to examine. We'll do that below.
      }
      Optional<Class<?>> supersWithPackagePrivateWriteReplace =
          FluentIterable.from(TypeToken.of(clazz).getTypes())
              .transform(TypeToken::getRawType)
              .transformAndConcat(c -> asList(c.getDeclaredMethods()))
              .firstMatch(
                  m ->