* to determine whether {@code copyOf} implementations should make an explicit copy to avoid
   * memory leaks.
   */
  boolean isPartialView() {
    return map.isPartialView();
  }

  // accessors

  @Override
  public boolean containsKey(@CheckForNull Object key) {
    return map.containsKey(key);
  }

  @Override

  }

  @Override
  public void forEach(Consumer<? super K> action) {
    checkNotNull(action);
    map.forEach((k, v) -> action.accept(k));
  }

  @Override
  boolean isPartialView() {
    return true;
  }

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  @GwtIncompatible // serialization

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

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

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  Object writeReplace() {

    @Override
    public Entry<V, K> get(int index) {
      Entry<K, V> entry = entries.get(index);
      return Maps.immutableEntry(entry.getValue(), entry.getKey());
    }

    @Override
    boolean isPartialView() {
      return false;
    }

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

    // redeclare to help optimizers with b/310253115

  public ImmutableSortedMultiset<E> tailMultiset(E lowerBound, BoundType boundType) {
    return forward.headMultiset(lowerBound, boundType).descendingMultiset();
  }

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

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  Object writeReplace() {

  public ImmutableSortedMultiset<E> tailMultiset(E lowerBound, BoundType boundType) {
    return forward.headMultiset(lowerBound, boundType).descendingMultiset();
  }

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

  // redeclare to help optimizers with b/310253115
  @SuppressWarnings("RedundantOverride")
  @Override
  @J2ktIncompatible // serialization
  Object writeReplace() {

      V value = map().get(entry.getKey());
      return value != null && value.equals(entry.getValue());
    }
    return false;
  }

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

  @Override
  @GwtIncompatible // not used in GWT
  boolean isHashCodeFast() {
    return map().isHashCodeFast();
  }

  @Override
  public int hashCode() {

      V value = map().get(entry.getKey());
      return value != null && value.equals(entry.getValue());
    }
    return false;
  }

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

  @Override
  @GwtIncompatible // not used in GWT
  boolean isHashCodeFast() {
    return map().isHashCodeFast();
  }

  @Override
  public int hashCode() {

      return columnKeyToIndex;
    }

    @Override
    @CheckForNull
    V getValue(int keyIndex) {
      return values[rowIndex][keyIndex];
    }

    @Override
    boolean isPartialView() {
      return true;
    }

    // redeclare to help optimizers with b/310253115
    @SuppressWarnings("RedundantOverride")
    @Override
    @J2ktIncompatible // serialization

      }
    };
  }

  @Override
  public boolean contains(@CheckForNull Object object) {
    return object != null && Iterators.contains(iterator(), object);
  }

  @Override
  boolean isPartialView() {
    return true;
  }

  @Override
  public ImmutableList<V> asList() {
    final ImmutableList<Entry<K, V>> entryList = map.entrySet().asList();
    return new ImmutableList<V>() {
      @Override