*     such index exists.
   */
  public static int lastIndexOf(boolean[] array, boolean target) {
    return lastIndexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public
  private static int lastIndexOf(boolean[] array, boolean target, int start, int end) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {

    }

    public static String toSnapshotVersion(String version) {
        notBlank(version, "version can neither be null, empty nor blank");

        int lastHyphen = version.lastIndexOf('-');
        if (lastHyphen > 0) {
            int prevHyphen = version.lastIndexOf('-', lastHyphen - 1);
            if (prevHyphen > 0) {
                Matcher m = Artifact.VERSION_FILE_PATTERN.matcher(version);
                if (m.matches()) {

  public void testLastIndexOf() {
    assertThat(Doubles.lastIndexOf(EMPTY, 1.0)).isEqualTo(-1);
    assertThat(Doubles.lastIndexOf(ARRAY1, 2.0)).isEqualTo(-1);
    assertThat(Doubles.lastIndexOf(ARRAY234, 1.0)).isEqualTo(-1);
    assertThat(Doubles.lastIndexOf(new double[] {-1.0}, -1.0)).isEqualTo(0);
    assertThat(Doubles.lastIndexOf(ARRAY234, 2.0)).isEqualTo(0);
    assertThat(Doubles.lastIndexOf(ARRAY234, 3.0)).isEqualTo(1);

  abstract List<E> delegateList();

  @Override
  public int indexOf(@Nullable Object object) {
    return delegateList().indexOf(object);
  }

  @Override
  public int lastIndexOf(@Nullable Object object) {
    return delegateList().lastIndexOf(object);
  }

  @Override
  public E get(int index) {
    return delegateList().get(index);
  }

  @Override
  public ImmutableList<E> subList(int fromIndex, int toIndex) {

   *     such index exists.
   */
  public static int lastIndexOf(char[] array, char target) {
    return lastIndexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public
  private static int lastIndexOf(char[] array, char target, int start, int end) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {

   *     such index exists.
   */
  public static int lastIndexOf(float[] array, float target) {
    return lastIndexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public
  private static int lastIndexOf(float[] array, float target, int start, int end) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {

  public void testLastIndexOf() {
    assertThat(Floats.lastIndexOf(EMPTY, 1.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(ARRAY1, 2.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(ARRAY234, 1.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(new float[] {-1.0f}, -1.0f)).isEqualTo(0);
    assertThat(Floats.lastIndexOf(ARRAY234, 2.0f)).isEqualTo(0);
    assertThat(Floats.lastIndexOf(ARRAY234, 3.0f)).isEqualTo(1);

  public void testLastIndexOf() {
    assertThat(Floats.lastIndexOf(EMPTY, 1.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(ARRAY1, 2.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(ARRAY234, 1.0f)).isEqualTo(-1);
    assertThat(Floats.lastIndexOf(new float[] {-1.0f}, -1.0f)).isEqualTo(0);
    assertThat(Floats.lastIndexOf(ARRAY234, 2.0f)).isEqualTo(0);
    assertThat(Floats.lastIndexOf(ARRAY234, 3.0f)).isEqualTo(1);

   *     such index exists.
   */
  public static int lastIndexOf(double[] array, double target) {
    return lastIndexOf(array, target, 0, array.length);
  }

  // TODO(kevinb): consider making this public
  private static int lastIndexOf(double[] array, double target, int start, int end) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {

        }

        int idx = 0;
        String u = url;
        if (u.startsWith("https:") || u.startsWith("http:")) {
            idx = u.lastIndexOf('?');
            if (idx >= 0) {
                u = u.substring(0, idx);
            }

            idx = u.lastIndexOf('#');
            if (idx >= 0) {
                u = u.substring(0, idx);
            }
        }