return fromMultimap.size();
    }

    @Override
    Collection<V2> createValues() {
      return Collections2.transform(
          fromMultimap.entries(), Maps.<K, V1, V2>asEntryToValueFunction(transformer));
    }
  }

  private static final class TransformedEntriesListMultimap<
          K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>

  }

  /** Views an entry transformer as a function from {@code Entry} to values. */
  static <K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>
      Function<Entry<K, V1>, V2> asEntryToValueFunction(
          final EntryTransformer<? super K, ? super V1, V2> transformer) {
    checkNotNull(transformer);
    return new Function<Entry<K, V1>, V2>() {
      @Override
      @ParametricNullness

  }

  /** Views an entry transformer as a function from {@code Entry} to values. */
  static <K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>
      Function<Entry<K, V1>, V2> asEntryToValueFunction(
          final EntryTransformer<? super K, ? super V1, V2> transformer) {
    checkNotNull(transformer);
    return new Function<Entry<K, V1>, V2>() {
      @Override
      @ParametricNullness