*   holdsLock assertions.
   *
   * - For stream() and spliterator(), we have to forward to the delegate ourselves because
   *   ForwardingSet does not forward `default` methods, as discussed in its Javadoc.
   */

  // Currently, we don't include stream() and spliterator() for our classes in the Android flavor.

  @Override
  public boolean remove(@Nullable Object o) {

        rowEntry = null;
      }
    }
  }

  @Override
  Spliterator<Cell<R, C, V>> cellSpliterator() {
    return CollectSpliterators.flatMap(
        backingMap.entrySet().spliterator(),
        (Entry<R, Map<C, V>> rowEntry) ->
            CollectSpliterators.map(
                rowEntry.getValue().entrySet().spliterator(),
                (Entry<C, V> columnEntry) ->

        return getCell(index);
      }
    };
  }

  @Override
  Spliterator<Cell<R, C, @Nullable V>> cellSpliterator() {
    return CollectSpliterators.<Cell<R, C, @Nullable V>>indexed(
        size(), Spliterator.ORDERED | Spliterator.NONNULL | Spliterator.DISTINCT, this::getCell);
  }

  private Cell<R, C, @Nullable V> getCell(int index) {

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

    Spliterator<Entry<K, V>> entrySpliterator() {
      return Spliterators.spliterator(
          entryIterator(),
          size(),
          Spliterator.DISTINCT | Spliterator.NONNULL | Spliterator.IMMUTABLE | Spliterator.ORDERED);
    }

    @Override
    ImmutableSet<K> createKeySet() {

          return CollectSpliterators.map(
              valueCollection.spliterator(), (V value) -> immutableEntry(key, value));
        },
        Spliterator.SIZED | (this instanceof SetMultimap ? Spliterator.DISTINCT : 0),
        size());
  }

  @Override
  public void forEach(BiConsumer<? super K, ? super V> action) {
    checkNotNull(action);
    asMap()
        .forEach(

    @Override
    /*
     * This is an override that is not directly visible to callers, so NewApi will catch calls to
     * Collection.spliterator() where necessary.
     */
    @IgnoreJRERequirement
    public Spliterator.OfInt spliterator() {
      return Spliterators.spliterator(array, start, end, 0);
    }

    @Override
    public boolean contains(@Nullable Object target) {

      }

      @Override
      public K next() {
        return entryIterator.next().getKey();
      }
    };
  }

  Spliterator<K> keySpliterator() {
    return CollectSpliterators.map(entrySet().spliterator(), Entry::getKey);
  }

  private transient @Nullable ImmutableCollection<V> cachedValues = null;

  @Override
  public ImmutableCollection<V> values() {

    }

    @Override
    public Double get(int index) {
      checkElementIndex(index, size());
      return array[start + index];
    }

    @Override
    public Spliterator.OfDouble spliterator() {
      return Spliterators.spliterator(array, start, end, 0);
    }

    @Override
    public boolean contains(@Nullable Object target) {
      // Overridden to prevent a ton of boxing

    abstract E get(int index);

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

    @Override
    public Spliterator<E> spliterator() {
      return CollectSpliterators.indexed(size(), SPLITERATOR_CHARACTERISTICS, this::get);
    }

    @Override
    public void forEach(Consumer<? super E> consumer) {
      checkNotNull(consumer);

              int count = entry.getCount();
              for (int i = 0; i < count; i++) {
                action.accept(elem);
              }
            });
  }

  @Override
  default Spliterator<E> spliterator() {
    return Multisets.spliteratorImpl(this);
  }