return emptyList();
    }
  }

  @Override
  Iterator<Entry<K, V>> entryIterator() {
    throw new AssertionError("should never be called");
  }

  @Override
  Collection<Entry<K, V>> createEntries() {
    return new Entries();
  }

  @WeakOuter
  class Entries extends ForwardingCollection<Entry<K, V>> {
    @Override
    protected Collection<Entry<K, V>> delegate() {

  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    return filterCollection(unfiltered.get(key), new ValuePredicate(key));
  }

  @Override
  Collection<Entry<K, V>> createEntries() {
    return filterCollection(unfiltered.entries(), predicate);
  }

  @Override
  Collection<V> createValues() {
    return new FilteredMultimapValues<>(this);
  }

  @Override

  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    return filterCollection(unfiltered.get(key), new ValuePredicate(key));
  }

  @Override
  Collection<Entry<K, V>> createEntries() {
    return filterCollection(unfiltered.entries(), predicate);
  }

  @Override
  Collection<V> createValues() {
    return new FilteredMultimapValues<>(this);
  }

  @Override

  @Override
  public ImmutableCollection<Entry<K, V>> entries() {
    return (ImmutableCollection<Entry<K, V>>) super.entries();
  }

  @Override
  ImmutableCollection<Entry<K, V>> createEntries() {
    return new EntryCollection<>(this);
  }

  private static class EntryCollection<K, V> extends ImmutableCollection<Entry<K, V>> {
    @Weak final ImmutableMultimap<K, V> multimap;