}
  }

  /**
   * Returns a stream over the values in this array, in order.
   *
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  // If users use this when they shouldn't, we hope that NewApi will catch subsequent stream calls
  @IgnoreJRERequirement
  public IntStream stream() {
    return Arrays.stream(array, start, end);
  }

   * library desugaring</a>.
   *
   * @since 33.4.0 (but since 22.0 in the JRE flavor)
   */
  // If users use this when they shouldn't, we hope that NewApi will catch subsequent Duration calls
  @IgnoreJRERequirement
  @J2ktIncompatible
  @GwtIncompatible
  @J2ObjCIncompatible
  public Duration elapsed() {
    return Duration.ofNanos(elapsedNanos());
  }

  @VisibleForTesting
  // We call the method only after checking that it's present.
  @IgnoreJRERequirement
  @SuppressWarnings({
    "Java8ApiChecker",
    "NewApi",
    // This method is a helper, which we call from a `finally` block, as recommended.
    "ReachabilityFenceUsage",
  })
  static void reachabilityFence(@Nullable Object o) {

   * @return a stream over the segments split from the parameter
   * @since 33.4.0 (but since 28.2 in the JRE flavor)
   */
  // If users use this when they shouldn't, we hope that NewApi will catch subsequent Stream calls.
  @IgnoreJRERequirement
  public Stream<String> splitToStream(CharSequence sequence) {
    // Can't use Streams.stream() from base

    public Double get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement
    public Spliterator.OfDouble spliterator() {
      return Spliterators.spliterator(array, start, end, 0);

    public Long get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement
    public Spliterator.OfLong spliterator() {
      return Spliterators.spliterator(array, start, end, 0);
    }

   * @param isSatisfied the new guard's boolean condition (see {@link Guard#isSatisfied
   *     isSatisfied()})
   * @since 33.4.0 (but since 21.0 in the JRE flavor)
   */
  // We have to rely on users not to call this, as NewApi won't flag BooleanSupplier creation.
  @IgnoreJRERequirement
  public Guard newGuard(BooleanSupplier isSatisfied) {
    checkNotNull(isSatisfied, "isSatisfied");
    return new Guard(this) {
      @Override