@Override
    public boolean containsValue(final Object value) {
        return indexOf(value) >= 0;
    }

    /**
     * Returns the index for the specified value.
     *
     * @param value
     *            the value
     * @return the index for the value, or {@literal -1} if the value is not contained
     */
    public int indexOf(final Object value) {
        if (value != null) {

                  public List<String> order(List<String> insertionOrder) {
                    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 intersectionInCurrentDomain(Range.downTo(fromElement, BoundType.forBoolean(inclusive)));
  }

  @GwtIncompatible // not used by GWT emulation
  @Override
  int indexOf(@Nullable Object target) {
    if (!contains(target)) {
      return -1;
    }
    // The cast is safe because of the contains check—at least for any reasonable Comparable class.
    @SuppressWarnings("unchecked")

        }
        if (address instanceof Inet6Address) {
            final String hostAddress = address.getHostAddress();
            // Remove zone ID if present (e.g., %eth0)
            final int percentIndex = hostAddress.indexOf('%');
            final String cleanAddress = percentIndex >= 0 ? hostAddress.substring(0, percentIndex) : hostAddress;
            // Compress the IPv6 address
            final String compressed = compressIPv6(cleanAddress);

      return new RegularImmutableSortedSet<>(
          elements.subList(newFromIndex, newToIndex), comparator);
    } else {
      return emptySet(comparator);
    }
  }

  @Override
  int indexOf(@Nullable Object target) {
    if (target == null) {
      return -1;
    }
    int position;
    try {
      position = Collections.binarySearch(elements, target, unsafeComparator());

        final Map<String, List<String>> paramListMap = new HashMap<>();
        final String[] pairs = queryString.split("&");
        try {
            for (final String pair : pairs) {
                final int pos = pair.indexOf('=');
                if (pos >= 0) {
                    final String key = urlCodec.decode(pair.substring(0, pos), enc);
                    List<String> list = paramListMap.get(key);
                    if (list == null) {

    ImmutableList<String> list = multiset.asList();
    assertEquals(ImmutableList.of("a", "a", "b", "b", "b"), list);
    SerializableTester.reserializeAndAssert(list);
    assertEquals(2, list.indexOf("b"));
    assertEquals(4, list.lastIndexOf("b"));
  }

  private static class IntegerDiv10 implements Comparable<IntegerDiv10> {
    final int value;

    IntegerDiv10(int value) {

            for (final RequestData requestData : urlSet.toArray(new RequestData[urlSet.size()])) {
                String url = requestData.getUrl();
                if (url.indexOf(".svn") < 0) {
                    assertTrue(url.contains("test/dir1") || url.contains("test/dir2") || url.contains("test/text1.txt")
                            || url.contains("test/text2.txt") || url.contains("test/text%203.txt"));

    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
   * AbstractListTester isn't enough because many tests that run on lists don't
   * extends AbstractListTester.) We could also iterate over all elements to
   * verify absence
   */

                        regex.append("\\$");
                    }
                } else {
                    // Escape special regex characters
                    if ("\\[]{}()+?.^|".indexOf(c) != -1) {
                        regex.append('\\');
                    }
                    regex.append(c);
                }
            }