return function.apply(value);
      }
    };
  }

  static <K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>
      Function<V1, V2> asValueToValueFunction(
          final EntryTransformer<? super K, V1, V2> transformer, @ParametricNullness final K key) {
    checkNotNull(transformer);
    return new Function<V1, V2>() {
      @Override

        return function.apply(value);
      }
    };
  }

  static <K extends @Nullable Object, V1 extends @Nullable Object, V2 extends @Nullable Object>
      Function<V1, V2> asValueToValueFunction(
          final EntryTransformer<? super K, V1, V2> transformer, @ParametricNullness final K key) {
    checkNotNull(transformer);
    return new Function<V1, V2>() {
      @Override