assertThat(Booleans.lastIndexOf(EMPTY, false)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE, false)).isEqualTo(0);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_TRUE, false)).isEqualTo(0);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_TRUE, true)).isEqualTo(1);

    assertThat(Booleans.lastIndexOf(EMPTY, false)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE, false)).isEqualTo(0);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_TRUE, false)).isEqualTo(0);
    assertThat(Booleans.lastIndexOf(ARRAY_FALSE_TRUE, true)).isEqualTo(1);

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

        if (list.contains(key)) {
          assertEquals(list.lastIndexOf(key), answer);
          return;
        }
        break;
      case ANY_PRESENT:
        if (list.contains(key)) {
          assertEquals(key, list.get(answer));
          return;
        }
        break;
      case FIRST_AFTER:
        if (list.contains(key)) {
          assertEquals(list.lastIndexOf(key) + 1, answer);
          return;
        }

   *     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) {

    // The following assumes all elements are distinct.
    assertEquals(0, copy.lastIndexOf(list.get(0)));
    assertEquals(0, head.lastIndexOf(list.get(0)));
    assertEquals(0, tail.lastIndexOf(list.get(1)));
    assertEquals(-1, head.lastIndexOf(list.get(size - 1)));
    assertEquals(-1, tail.lastIndexOf(list.get(0)));
  }

  @CollectionFeature.Require(SERIALIZABLE_INCLUDING_VIEWS)

  }

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

  }

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

      if (elemIndex == -1) {
        return -1;
      }
      computedIndex += elemIndex * axesSizeProduct[axisIndex + 1];
    }
    return computedIndex;
  }

  @Override
  public int lastIndexOf(@CheckForNull Object o) {
    if (!(o instanceof List)) {
      return -1;
    }
    List<?> list = (List<?>) o;
    if (list.size() != axes.size()) {
      return -1;
    }

  }

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