@RetainedWith private final BiMap<V, K> inverse;

    private static <K extends @Nullable Object, V extends @Nullable Object>
        Predicate<Entry<V, K>> inversePredicate(
            final Predicate<? super Entry<K, V>> forwardPredicate) {
      return new Predicate<Entry<V, K>>() {
        @Override
        public boolean apply(Entry<V, K> input) {

    @RetainedWith private final BiMap<V, K> inverse;

    private static <K extends @Nullable Object, V extends @Nullable Object>
        Predicate<Entry<V, K>> inversePredicate(
            final Predicate<? super Entry<K, V>> forwardPredicate) {
      return new Predicate<Entry<V, K>>() {
        @Override
        public boolean apply(Entry<V, K> input) {