private boolean satisfies(@ParametricNullness K key, @ParametricNullness V value) {
    return predicate.apply(Maps.immutableEntry(key, value));
  }

  final class ValuePredicate implements Predicate<V> {
    @ParametricNullness private final K key;

    ValuePredicate(@ParametricNullness K key) {
      this.key = key;
    }

    @Override
    public boolean apply(@ParametricNullness V value) {
      return satisfies(key, value);

  private boolean satisfies(@ParametricNullness K key, @ParametricNullness V value) {
    return predicate.apply(Maps.immutableEntry(key, value));
  }

  final class ValuePredicate implements Predicate<V> {
    @ParametricNullness private final K key;

    ValuePredicate(@ParametricNullness K key) {
      this.key = key;
    }

    @Override
    public boolean apply(@ParametricNullness V value) {
      return satisfies(key, value);

    return compose(keyPredicate, Maps.<K>keyFunction());
  }

  static <V extends @Nullable Object> Predicate<Entry<?, V>> valuePredicateOnEntries(
      Predicate<? super V> valuePredicate) {
    return compose(valuePredicate, Maps.<V>valueFunction());
  }

  /**
   * Returns a map containing the mappings in {@code unfiltered} whose keys satisfy a predicate. The

    return compose(keyPredicate, Maps.<K>keyFunction());
  }

  static <V extends @Nullable Object> Predicate<Entry<?, V>> valuePredicateOnEntries(
      Predicate<? super V> valuePredicate) {
    return compose(valuePredicate, Maps.<V>valueFunction());
  }

  /**
   * Returns a map containing the mappings in {@code unfiltered} whose keys satisfy a predicate. The

   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      Multimap<K, V> filterValues(
          Multimap<K, V> unfiltered, final Predicate<? super V> valuePredicate) {
    return filterEntries(unfiltered, Maps.<V>valuePredicateOnEntries(valuePredicate));
  }

  /**
   * Returns a multimap containing the mappings in {@code unfiltered} whose values satisfy a

   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      Multimap<K, V> filterValues(
          Multimap<K, V> unfiltered, final Predicate<? super V> valuePredicate) {
    return filterEntries(unfiltered, Maps.<V>valuePredicateOnEntries(valuePredicate));
  }

  /**
   * Returns a multimap containing the mappings in {@code unfiltered} whose values satisfy a