*
 * <p>Parameters for the benchmark are:
 *
 * <ul>
 *   <li>size: the length of the byte array to hash
 *   <li>whereToDiffer: where in the array the bytes should differ
 *   <li>equalsImpl: which implementation of array equality to use
 * </ul>
 *
 * <p><b>Important note:</b> the primary goal of this benchmark is to ensure that varying {@code

 *
 * <p>Parameters for the benchmark are:
 *
 * <ul>
 *   <li>size: the length of the byte array to hash
 *   <li>whereToDiffer: where in the array the bytes should differ
 *   <li>equalsImpl: which implementation of array equality to use
 * </ul>
 *
 * <p><b>Important note:</b> the primary goal of this benchmark is to ensure that varying {@code

      Table<R, C, V> synchronizedTable(Table<R, C, V> table) {
    return Synchronized.table(table, null);
  }

  static boolean equalsImpl(Table<?, ?, ?> table, @Nullable Object obj) {
    if (obj == table) {
      return true;
    } else if (obj instanceof Table) {
      Table<?, ?, ?> that = (Table<?, ?, ?>) obj;

      Table<R, C, V> synchronizedTable(Table<R, C, V> table) {
    return Synchronized.table(table, null);
  }

  static boolean equalsImpl(Table<?, ?, ?> table, @Nullable Object obj) {
    if (obj == table) {
      return true;
    } else if (obj instanceof Table) {
      Table<?, ?, ?> that = (Table<?, ?, ?>) obj;

      hashCode = ~~hashCode;
      // needed to deal with GWT integer overflow
    }
    return hashCode;
  }

  /** An implementation of {@link List#equals(Object)}. */
  static boolean equalsImpl(List<?> thisList, @Nullable Object other) {
    if (other == checkNotNull(thisList)) {
      return true;
    }
    if (!(other instanceof List)) {
      return false;
    }

    FilteredSet(Set<E> unfiltered, Predicate<? super E> predicate) {
      super(unfiltered, predicate);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return equalsImpl(this, object);
    }

    @Override
    public int hashCode() {
      return hashCodeImpl(this);
    }
  }

      String text = String.valueOf(getElement());
      int n = getCount();
      return (n == 1) ? text : (text + " x " + n);
    }
  }

  /** An implementation of {@link Multiset#equals}. */
  static boolean equalsImpl(Multiset<?> multiset, @Nullable Object object) {
    if (object == multiset) {
      return true;
    }
    if (object instanceof Multiset) {
      Multiset<?> that = (Multiset<?>) object;
      /*

      String text = String.valueOf(getElement());
      int n = getCount();
      return (n == 1) ? text : (text + " x " + n);
    }
  }

  /** An implementation of {@link Multiset#equals}. */
  static boolean equalsImpl(Multiset<?> multiset, @Nullable Object object) {
    if (object == multiset) {
      return true;
    }
    if (object instanceof Multiset) {
      Multiset<?> that = (Multiset<?>) object;
      /*

    FilteredSet(Set<E> unfiltered, Predicate<? super E> predicate) {
      super(unfiltered, predicate);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return equalsImpl(this, object);
    }

    @Override
    public int hashCode() {
      return hashCodeImpl(this);
    }
  }

    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return Sets.equalsImpl(this, obj);
    }
  }

  abstract Iterator<Entry<K, V>> entryIterator();

  @LazyInit private transient @Nullable Set<K> keySet;

  @Override
  public Set<K> keySet() {