// checkNotNull for GWT (do not optimize)
      array[start + index] = checkNotNull(element);
      return oldValue;
    }

    @Override
    public List<Boolean> subList(int fromIndex, int toIndex) {
      int size = size();
      checkPositionIndexes(fromIndex, toIndex, size);
      if (fromIndex == toIndex) {
        return Collections.emptyList();
      }

      ImmutableSortedSet.Builder<String> builder = ImmutableSortedSet.orderedBy(comparator);
      builder.add(BEFORE_FIRST);
      builder.add(elements);
      builder.add(AFTER_LAST);
      return builder.build().asList().subList(1, elements.length + 1);
    }
  }

  public static class ImmutableSortedSetSubsetAsListSubListGenerator
      extends TestStringListGenerator {
    @Override

    array[getNumElements() + 1] = e3();
    assertSame(
        "toArray(overSizedE[]) should return the given array", array, collection.toArray(array));

    List<E> subArray = asList(array).subList(0, getNumElements());
    E[] expectedSubArray = createSamplesArray();
    for (int i = 0; i < getNumElements(); i++) {
      assertTrue(
          "toArray(overSizedE[]) should contain element " + expectedSubArray[i],

      return listIterator(0);
    }

    @Override
    public ListIterator<T> listIterator(int index) {
      return standardListIterator(index);
    }

    @Override
    public List<T> subList(int fromIndex, int toIndex) {
      return standardSubList(fromIndex, toIndex);
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();

      return listIterator(0);
    }

    @Override
    public ListIterator<T> listIterator(int index) {
      return standardListIterator(index);
    }

    @Override
    public List<T> subList(int fromIndex, int toIndex) {
      return standardSubList(fromIndex, toIndex);
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {
    TestSuite suite = new TestSuite();

                .named("ImmutableIntArray.asList, head subList"),
            ListTestSuiteBuilder.using(new ImmutableIntArrayTailSubListAsListGenerator())
                .named("ImmutableIntArray.asList, tail subList"),
            ListTestSuiteBuilder.using(new ImmutableIntArrayMiddleSubListAsListGenerator())
                .named("ImmutableIntArray.asList, middle subList"));

    TestSuite suite = new TestSuite();

    array[getNumElements() + 1] = e3();
    assertSame(
        "toArray(overSizedE[]) should return the given array", array, collection.toArray(array));

    List<E> subArray = asList(array).subList(0, getNumElements());
    E[] expectedSubArray = createSamplesArray();
    for (int i = 0; i < getNumElements(); i++) {
      assertTrue(
          "toArray(overSizedE[]) should contain element " + expectedSubArray[i],

                .named("ImmutableDoubleArray.asList, head subList"),
            ListTestSuiteBuilder.using(new ImmutableDoubleArrayTailSubListAsListGenerator())
                .named("ImmutableDoubleArray.asList, tail subList"),
            ListTestSuiteBuilder.using(new ImmutableDoubleArrayMiddleSubListAsListGenerator())
                .named("ImmutableDoubleArray.asList, middle subList"));

    TestSuite suite = new TestSuite();

  }

  public static <E> ImmutableList<E> copyOf(Collection<? extends E> elements) {
    if (elements instanceof ImmutableCollection) {
      /*
       * TODO: When given an ImmutableList that's a sublist, copy the referenced
       * portion of the array into a new array to save space?
       */
      @SuppressWarnings("unchecked") // all supported methods are covariant

  }

  /**
   * Reverses the elements of {@code array} between {@code fromIndex} inclusive and {@code toIndex}
   * exclusive. This is equivalent to {@code
   * Collections.reverse(Chars.asList(array).subList(fromIndex, toIndex))}, but is likely to be more
   * efficient.
   *
   * @throws IndexOutOfBoundsException if {@code fromIndex < 0}, {@code toIndex > array.length}, or
   *     {@code toIndex > fromIndex}