assertThat(iia.lastIndexOf(1)).isEqualTo(1);
    assertThat(iia.lastIndexOf(8)).isEqualTo(5);
    assertThat(iia.lastIndexOf(4)).isEqualTo(-1);
    assertThat(ImmutableDoubleArray.of(13).lastIndexOf(13)).isEqualTo(0);
    assertThat(ImmutableDoubleArray.of().lastIndexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).lastIndexOf(1)).isEqualTo(0);
  }

  public void testContains() {

            properties["optional"] = optional.joinForProperties()
        }
    }

    private
    fun FileSystemLocation.toGradleModuleName(): String = asFile.name.run { substring(0, lastIndexOf('-')) }

    private
    fun Iterable<String>.joinForProperties() = sorted().joinToString(",")

                } else if (state == DfsState.VISITING) {
                    // we are already visiting this vertex, this mean we have a cycle
                    int pos = cycle.lastIndexOf(v);
                    List<String> ret = cycle.subList(pos, cycle.size());
                    ret.add(v);
                    return ret;
                }
            }
        }
        return null;
    }

                    module = module.substring(0, module.lastIndexOf('/') + 1);
                }

                String moduleName = module;
                if (moduleName.endsWith("/")) {
                    moduleName = moduleName.substring(0, moduleName.length() - 1);
                }

                int lastSlash = moduleName.lastIndexOf('/');

                moduleName = moduleName.substring(lastSlash + 1);

  public void testLastIndexOf() {
    assertThat(Ints.lastIndexOf(EMPTY, (int) 1)).isEqualTo(-1);
    assertThat(Ints.lastIndexOf(ARRAY1, (int) 2)).isEqualTo(-1);
    assertThat(Ints.lastIndexOf(ARRAY234, (int) 1)).isEqualTo(-1);
    assertThat(Ints.lastIndexOf(new int[] {(int) -1}, (int) -1)).isEqualTo(0);
    assertThat(Ints.lastIndexOf(ARRAY234, (int) 2)).isEqualTo(0);
    assertThat(Ints.lastIndexOf(ARRAY234, (int) 3)).isEqualTo(1);

    assertThat(Longs.lastIndexOf(EMPTY, (long) 1)).isEqualTo(-1);
    assertThat(Longs.lastIndexOf(ARRAY1, (long) 2)).isEqualTo(-1);
    assertThat(Longs.lastIndexOf(ARRAY234, (long) 1)).isEqualTo(-1);
    assertThat(Longs.lastIndexOf(new long[] {(long) -1}, (long) -1)).isEqualTo(0);
    assertThat(Longs.lastIndexOf(ARRAY234, (long) 2)).isEqualTo(0);
    assertThat(Longs.lastIndexOf(ARRAY234, (long) 3)).isEqualTo(1);

   *     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(int[] array, int target) {
    return lastIndexOf(array, target, 0, array.length);
  }

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

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

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

    }
    return -1;
  }

  /**
   * Returns the largest index for which {@link #get} returns {@code target}, or {@code -1} if no
   * such index exists. Equivalent to {@code asList().lastIndexOf(target)}.
   */
  public int lastIndexOf(int target) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {
        return i - start;
      }
    }
    return -1;
  }

  /**