return AsMap.this.remove(o) != null;
        }
      }
      return new KeySetImpl();
    }

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

        @Override

          return AsMap.this.remove(o) != null;
        }
      }
      return new KeySetImpl();
    }

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

        @Override

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

    @Override
    ImmutableSet<Entry<K, V>> createEntrySet() {
      class EntrySetImpl extends ImmutableMapEntrySet<K, V> {
        @Override
        ImmutableMap<K, V> map() {
          return IteratorBasedImmutableMap.this;
        }

        @Override

    }

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

    @Override
    ImmutableSet<Entry<K, V>> createEntrySet() {
      class EntrySetImpl extends ImmutableMapEntrySet<K, V> {
        @Override
        ImmutableMap<K, V> map() {
          return IteratorBasedImmutableMap.this;
        }

        @Override