* {@code size} is negative, while this method throws {@code IllegalArgumentException}.
   *
   * @param index a user-supplied index identifying a position in an array, list or string
   * @param size the size of that array, list or string
   * @return the value of {@code index}

    String[] array = {"foo", "bar"};
    assertFalse(Iterators.forArrayWithPosition(array, 2).hasNext());
    assertThrows(IndexOutOfBoundsException.class, () -> Iterators.forArrayWithPosition(array, -1));
    assertThrows(IndexOutOfBoundsException.class, () -> Iterators.forArrayWithPosition(array, 3));
  }

  @GwtIncompatible // unreasonably slow
  public void testForArrayUsingTester() {

    String[] array = {"foo", "bar"};
    assertFalse(Iterators.forArrayWithPosition(array, 2).hasNext());
    assertThrows(IndexOutOfBoundsException.class, () -> Iterators.forArrayWithPosition(array, -1));
    assertThrows(IndexOutOfBoundsException.class, () -> Iterators.forArrayWithPosition(array, 3));
  }

  @GwtIncompatible // unreasonably slow
  public void testForArrayUsingTester() {

   * {@code size} is negative, while this method throws {@code IllegalArgumentException}.
   *
   * @param index a user-supplied index identifying a position in an array, list or string
   * @param size the size of that array, list or string
   * @return the value of {@code index}

   * position}th position.
   *
   * @param position position of the element to return
   * @return the element at the specified position in {@code iterator}
   * @throws IndexOutOfBoundsException if {@code position} is negative or greater than or equal to
   *     the number of elements remaining in {@code iterator}
   */
  @ParametricNullness

   * position}th position.
   *
   * @param position position of the element to return
   * @return the element at the specified position in {@code iterator}
   * @throws IndexOutOfBoundsException if {@code position} is negative or greater than or equal to
   *     the number of elements remaining in {@code iterator}
   */
  @ParametricNullness

    val url = base.newBuilder().setPathSegment(1, "/").build()
    assertThat(url.encodedPath).isEqualTo("/a/%2F/c")
  }

  @Test
  fun setPathSegmentOutOfBounds() {
    assertFailsWith<IndexOutOfBoundsException> {
      HttpUrl.Builder().setPathSegment(1, "a")
    }
  }

  @Test
  fun setEncodedPathSegmentEncodes() {
    val base = parse("http://host/a/b/c")
    assertThat(
      base

   * | `http://host/?a=apple&b`          | `"a"`                   | `"b"`                   |
   */
  fun queryParameterName(index: Int): String {
    if (queryNamesAndValues == null) throw IndexOutOfBoundsException()
    return queryNamesAndValues[index * 2]!!
  }

  /**
   * Returns the value of the query parameter at `index`. For example this returns `"apple"` for

   *     sequence.length()}
   * @return the index of the first matching character, guaranteed to be no less than {@code start},
   *     or {@code -1} if no character matches
   * @throws IndexOutOfBoundsException if start is negative or greater than {@code
   *     sequence.length()}
   */
  public int indexIn(CharSequence sequence, int start) {
    int length = sequence.length();
    checkPositionIndex(start, length);

   *     sequence.length()}
   * @return the index of the first matching character, guaranteed to be no less than {@code start},
   *     or {@code -1} if no character matches
   * @throws IndexOutOfBoundsException if start is negative or greater than {@code
   *     sequence.length()}
   */
  public int indexIn(CharSequence sequence, int start) {
    int length = sequence.length();
    checkPositionIndex(start, length);