this.keyPredicate = checkNotNull(keyPredicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return Maps.keyPredicateOnEntries(keyPredicate);
  }

  @Override
  public int size() {
    int size = 0;
    for (Collection<V> collection : asMap().values()) {
      size += collection.size();

    this.keyPredicate = checkNotNull(keyPredicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return Maps.keyPredicateOnEntries(keyPredicate);
  }

  @Override
  public int size() {
    int size = 0;
    for (Collection<V> collection : asMap().values()) {
      size += collection.size();

      return filterEntries((SetMultimap<K, V>) unfiltered, entryPredicate);
    }
    return (unfiltered instanceof FilteredMultimap)
        ? filterFiltered((FilteredMultimap<K, V>) unfiltered, entryPredicate)
        : new FilteredEntryMultimap<K, V>(checkNotNull(unfiltered), entryPredicate);
  }

  /**
   * Returns a multimap containing the mappings in {@code unfiltered} that satisfy a predicate. The

      return filterEntries((SetMultimap<K, V>) unfiltered, entryPredicate);
    }
    return (unfiltered instanceof FilteredMultimap)
        ? filterFiltered((FilteredMultimap<K, V>) unfiltered, entryPredicate)
        : new FilteredEntryMultimap<K, V>(checkNotNull(unfiltered), entryPredicate);
  }

  /**
   * Returns a multimap containing the mappings in {@code unfiltered} that satisfy a predicate. The

    this.predicate = checkNotNull(predicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return predicate;
  }

  @Override
  public int size() {
    return entries().size();
  }

  private boolean satisfies(@ParametricNullness K key, @ParametricNullness V value) {

    this.predicate = checkNotNull(predicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return predicate;
  }

  @Override
  public int size() {
    return entries().size();
  }

  private boolean satisfies(@ParametricNullness K key, @ParametricNullness V value) {