/**
 * Helper class for managing file type mappings based on MIME types.
 * This class provides functionality to map MIME types to file types and
 * retrieve appropriate file type classifications for documents during indexing.
 *
 * The mappings are loaded from configuration and can be dynamically modified
 * at runtime. When a MIME type is not found in the mapping, a default value
 * is returned.
 */
public class FileTypeHelper {

    /**
     * Show the index page.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asHtml(path_AdminDesign_AdminDesignJsp).useForm(DesignForm.class);
    }

    /**
     * Go back to the index page.
     * @return The HTML response.
     */
    @Execute

    }

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf() throws Exception {
        assertThat(map.indexOf("test"), is(1));
        assertThat(map.indexOf(null), is(0));
        assertThat(map.indexOf("test3"), is(-1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {

                    List<String> order = new ArrayList<>();
                    for (String s : insertionOrder) {
                      int index = order.indexOf(s);
                      if (index == -1) {
                        order.add(s);
                      } else {
                        order.add(index, s);
                      }
                    }
                    return order;
                  }
                })

  }

  @Override
  public UnmodifiableListIterator<E> listIterator(int index) {
    return new AbstractIndexedListIterator<E>(size(), index) {
      @Override
      protected E get(int index) {
        return ImmutableList.this.get(index);
      }
    };
  }

  @Override
  public ImmutableList<E> asList() {
    return this;
  }

  @Override

  var index = 0
  val result = mutableListOf<Mapping>()

  while (index < mappings.size) {
    val mapping = mappings[index]
    val type = canonicalizeType(mapping.type)
    val mappedTo = mapping.mappedTo

    var unionWith: Mapping = mapping
    index++

    while (index < mappings.size) {
      val next = mappings[index]

  }

  protected final void expectAdded(int index, E... elements) {
    expectAdded(index, asList(elements));
  }

  protected final void expectAdded(int index, Collection<E> elements) {
    List<E> expected = copyToList(getSampleElements());
    expected.addAll(index, elements);
    expectContents(expected);
  }

  /*
   * TODO: if we're testing a list, we could check indexOf(). (Doing it in

    /**
     * Displays the main synonym dictionary index page.
     *
     * @param form the search form containing search criteria
     * @return HTML response for the synonym dictionary index page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);

  /**
   * Returns the stripe at the specified index. Valid indexes are 0, inclusively, to {@code size()},
   * exclusively.
   *
   * @param index the index of the stripe to return; must be in {@code [0...size())}
   * @return the stripe at the specified index
   */
  public abstract L getAt(int index);

  /**
   * Returns the index to which the given key is mapped, so that getAt(indexFor(key)) == get(key).

        String hash;
        if (StringUtil.isNotBlank(form.hash)) {
            final String value = URLUtil.decode(form.hash, Constants.UTF_8);
            if (targetUrl.indexOf('#') == -1) {
                final StringBuilder buf = new StringBuilder(value.length() + 100);
                for (final char c : value.toCharArray()) {
                    if (CharUtil.isUrlChar(c) || c == ' ') {