public boolean remove(@Nullable Object o) {
          return AsMap.this.remove(o) != null;
        }
      }
      return new KeySetImpl();
    }

    @Override
    Set<Entry<K, Collection<V>>> createEntrySet() {
      @WeakOuter
      final class EntrySetImpl extends Maps.EntrySet<K, Collection<V>> {
        @Override
        Map<K, Collection<V>> map() {
          return AsMap.this;
        }

  }

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

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override
  ImmutableSet<Entry<K, V>> createEntrySet() {
    return new ImmutableMapEntrySet.RegularEntrySet<>(this, entries);
  }

  @Override
  ImmutableSet<K> createKeySet() {
    return new KeySet<>(this);
  }

   */
  @Override
  public ImmutableSet<Entry<K, V>> entrySet() {
    ImmutableSet<Entry<K, V>> result = entrySet;
    return (result == null) ? entrySet = createEntrySet() : result;
  }

  abstract ImmutableSet<Entry<K, V>> createEntrySet();

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<K> keySet;

  /**

   */
  @Override
  public ImmutableSet<Entry<K, V>> entrySet() {
    ImmutableSet<Entry<K, V>> result = entrySet;
    return (result == null) ? entrySet = createEntrySet() : result;
  }

  abstract ImmutableSet<Entry<K, V>> createEntrySet();

  @LazyInit @RetainedWith private transient @Nullable ImmutableSet<K> keySet;

  /**

  @LazyInit private transient @Nullable Set<Entry<K, V>> entrySetView;

  @Override
  public Set<Entry<K, V>> entrySet() {
    return (entrySetView == null) ? entrySetView = createEntrySet() : entrySetView;
  }

  Set<Entry<K, V>> createEntrySet() {
    return new EntrySetView();
  }

  @WeakOuter
  private final class EntrySetView extends AbstractSet<Entry<K, V>> {
    @Override
    public int size() {

        } else if (key.equals(alternatingKeysAndValues[keyIndex])) {
          return alternatingKeysAndValues[keyIndex ^ 1];
        }
      }
    }
  }

  @Override
  ImmutableSet<Entry<K, V>> createEntrySet() {
    return new EntrySet<>(this, alternatingKeysAndValues, 0, size);
  }

  static final class EntrySet<K, V> extends ImmutableSet<Entry<K, V>> {
    private final transient ImmutableMap<K, V> map;

     */
    final transient Map<K, Collection<V>> submap;

    AsMap(Map<K, Collection<V>> submap) {
      this.submap = submap;
    }

    @Override
    protected Set<Entry<K, Collection<V>>> createEntrySet() {
      return new AsMapEntries();
    }

    // The following methods are included for performance.

    @Override
    public boolean containsKey(@Nullable Object key) {

    }

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

    @Override
    protected Set<Entry<K, Collection<V>>> createEntrySet() {
      return new EntrySet();
    }

    void removeValuesForKey(@Nullable Object key) {
      multimap.keySet().remove(key);
    }

    @WeakOuter

    }

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

    @Override
    protected Set<Entry<K, Collection<V>>> createEntrySet() {
      return new EntrySet();
    }

    void removeValuesForKey(@Nullable Object key) {
      multimap.keySet().remove(key);
    }

    @WeakOuter