return indexOf(target) >= 0;
  }

  @GwtIncompatible // super.subListUnchecked does not exist; inherited subList is valid if slow
  /*
   * TODO(cpovirk): if we start to override indexOf/lastIndexOf under GWT, we'll want some way to
   * override subList to return an ImmutableSortedAsList for better performance. Right now, I'm not

    }
  }

  /**
   * Called by the default implementation of {@link #subList} when {@code toIndex - fromIndex > 1},
   * after index validation has already been performed.
   */
  ImmutableList<E> subListUnchecked(int fromIndex, int toIndex) {
    return new SubList(fromIndex, toIndex - fromIndex);
  }

  class SubList extends ImmutableList<E> {
    final transient int offset;
    final transient int length;

  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollFirst() {
    assertEquals(a, navigableSet.pollFirst());
    assertEquals(values.subList(1, values.size()), copyToList(navigableSet));
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  public void testPollFirstUnsupported() {

    }
    return sum;
  }

  private enum SubMultisetSpec {
    TAIL_CLOSED {
      @Override
      <E> List<Entry<E>> expectedEntries(int targetEntry, List<Entry<E>> entries) {
        return entries.subList(targetEntry, entries.size());
      }

      @Override
      <E> SortedMultiset<E> subMultiset(
          SortedMultiset<E> multiset, List<Entry<E>> entries, int targetEntry) {

  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollFirst() {
    assertEquals(a, navigableMap.pollFirstEntry());
    assertEquals(entries.subList(1, entries.size()), copyToList(navigableMap.entrySet()));
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)
  public void testPollFirstUnsupported() {

          if (keys.get(i) < keys.get(minIndex)) {
            minIndex = i;
          }
        }
        Optional<BinaryNode> leftChild = createTreap(keys.subList(0, minIndex));
        Optional<BinaryNode> rightChild = createTreap(keys.subList(minIndex + 1, keys.size()));
        return Optional.of(new BinaryNode(keys.get(minIndex), leftChild, rightChild));
      }
    };

    byte[] array = {(byte) 0, (byte) 1, (byte) 2, (byte) 3};
    List<Byte> list = Bytes.asList(array);
    assertThat(Bytes.toArray(list.subList(1, 3))).isEqualTo(new byte[] {(byte) 1, (byte) 2});
    assertThat(Bytes.toArray(list.subList(2, 2))).isEqualTo(new byte[] {});
  }

  public void testAsListEmpty() {
    assertThat(Bytes.asList(EMPTY)).isSameInstanceAs(Collections.emptyList());
  }

        public ListIterator<E> listIterator(final int index) {
            return parent.listIterator(index);
        }

        @Override
        public List<E> subList(final int fromIndex, final int toIndex) {
            return parent.subList(fromIndex, toIndex);
        }

        public int getAllRecordCount() {
            return allRecordCount;
        }

        public int getPageSize() {

    manyValuesAccumulatorByAddAndAddAll.addAll(MANY_VALUES.subList(1, MANY_VALUES.size()));

    manyValuesAccumulatorByAddAllStats = new StatsAccumulator();
    manyValuesAccumulatorByAddAllStats.addAll(
        Stats.of(MANY_VALUES.subList(0, MANY_VALUES.size() / 2)));
    manyValuesAccumulatorByAddAllStats.addAll(
        Stats.of(MANY_VALUES.subList(MANY_VALUES.size() / 2, MANY_VALUES.size())));

            .named("ImmutableList, head subList")
            .withFeatures(CollectionSize.ANY, SERIALIZABLE, ALLOWS_NULL_QUERIES)
            .createTestSuite());
    suite.addTest(
        ListTestSuiteBuilder.using(new ImmutableListTailSubListGenerator())
            .named("ImmutableList, tail subList")
            .withFeatures(CollectionSize.ANY, SERIALIZABLE, ALLOWS_NULL_QUERIES)