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);