tables[i] = new Object[tableSize];
      for (int j = 0; j < size; j++) {
        Object o = new Object();
        for (int k = o.hashCode(); ; k++) {
          int index = k & mask;
          if (tables[i][index] == null) {
            tables[i][index] = o;
            break;
          }
        }
      }
    }
  }

  enum Impl {
    EXHAUSTIVE {
      int maxRunBeforeFallback(int tableSize) {

org.checkerframework.checker.i18nformatter.unittests
org.checkerframework.checker.index
org.checkerframework.checker.index.lowerbound
org.checkerframework.checker.index.qual
org.checkerframework.checker.index.samelen
org.checkerframework.checker.index.searchindex
org.checkerframework.checker.index.substringindex
org.checkerframework.checker.index.upperbound
org.checkerframework.checker.initialization

org.checkerframework.checker.i18nformatter.unittests
org.checkerframework.checker.index
org.checkerframework.checker.index.lowerbound
org.checkerframework.checker.index.qual
org.checkerframework.checker.index.samelen
org.checkerframework.checker.index.searchindex
org.checkerframework.checker.index.substringindex
org.checkerframework.checker.index.upperbound
org.checkerframework.checker.initialization

@GwtCompatible
public enum ListFeature implements Feature<List> {
  SUPPORTS_SET,
  SUPPORTS_ADD_WITH_INDEX(CollectionFeature.SUPPORTS_ADD),
  SUPPORTS_REMOVE_WITH_INDEX(CollectionFeature.SUPPORTS_REMOVE),

  GENERAL_PURPOSE(
      CollectionFeature.GENERAL_PURPOSE,
      SUPPORTS_SET,
      SUPPORTS_ADD_WITH_INDEX,
      SUPPORTS_REMOVE_WITH_INDEX),

  /** Features supported by lists where only removal is allowed. */

  }

  private void doTestSet(E newValue) {
    int index = aValidIndex();
    E initialValue = getList().get(index);
    assertEquals(
        "set(i, x) should return the old element at position i.",
        initialValue,
        getList().set(index, newValue));
    assertEquals("After set(i, x), get(i) should return x", newValue, getList().get(index));

    abstract E get(int index);

    @Override
    public UnmodifiableIterator<E> iterator() {
      return asList().iterator();
    }

    @Override
    ImmutableList<E> createAsList() {
      return new ImmutableAsList<E>() {
        @Override
        public E get(int index) {
          return Indexed.this.get(index);
        }

        @Override

  }

  @Override
  public ImmutableList<E> get(int index) {
    checkElementIndex(index, size());
    return new ImmutableList<E>() {

      @Override
      public int size() {
        return axes.size();
      }

      @Override
      public E get(int axis) {
        checkElementIndex(axis, size());
        int axisIndex = getAxisIndexForProductIndex(index, axis);
        return axes.get(axis).get(axisIndex);

  public E higher(E element) {
    return forward.lower(element);
  }

  @Override
  int indexOf(@CheckForNull Object target) {
    int index = forward.indexOf(target);
    if (index == -1) {
      return index;
    } else {
      return size() - 1 - index;
    }
  }

  @Override
  boolean isPartialView() {
    return forward.isPartialView();
  }

    for (int i = 0; i < reps; i++) {
      for (int index = 0; index < size; index++) {
        sum += array[index].hashCode();
      }
    }
    return sum;
  }

  @Benchmark
  int arrayIndexedLength(int reps) {
    int sum = 0;
    for (int i = 0; i < reps; i++) {
      for (int index = 0; index < array.length; index++) {
        sum += array[index].hashCode();
      }
    }
    return sum;
  }

    size = 0;
    distinctElements = 0;
  }

  abstract class Itr<T> implements Iterator<T> {
    int index = 0;
    int toRemove = -1;

    abstract T output(int index);

    @Override
    public boolean hasNext() {
      for (; index < enumConstants.length; index++) {
        if (counts[index] > 0) {
          return true;
        }
      }
      return false;
    }

    @Override