<T extends @Nullable Object> Predicate<T> withNarrowedType() {
      return (Predicate<T>) this;
    }
  }

  /** @see Predicates#not(Predicate) */
  private static class NotPredicate<T extends @Nullable Object>
      implements Predicate<T>, Serializable {
    final Predicate<T> predicate;

    NotPredicate(Predicate<T> predicate) {
      this.predicate = checkNotNull(predicate);
    }

    @Override

    <T extends @Nullable Object> Predicate<T> withNarrowedType() {
      return (Predicate<T>) this;
    }
  }

  /** @see Predicates#not(Predicate) */
  private static class NotPredicate<T extends @Nullable Object>
      implements Predicate<T>, Serializable {
    final Predicate<T> predicate;

    NotPredicate(Predicate<T> predicate) {
      this.predicate = checkNotNull(predicate);
    }

    @Override

    assertFalse(predicate.apply(1));
    array[0] = Predicates.alwaysTrue();
    assertFalse(predicate.apply(1));
  }

  public void testOr_listDefensivelyCopied() {
    List<Predicate<Object>> list = newArrayList();
    Predicate<Object> predicate = Predicates.or(list);
    assertFalse(predicate.apply(1));
    list.add(Predicates.alwaysTrue());
    assertFalse(predicate.apply(1));
  }

/**
 * Legacy version of {@link java.util.function.Predicate java.util.function.Predicate}. Determines a
 * true or false value for a given input.
 *
 * <p>As this interface extends {@code java.util.function.Predicate}, an instance of this type may
 * be used as a {@code Predicate} directly. To use a {@code java.util.function.Predicate} where a
 * {@code com.google.common.base.Predicate} is expected, use the method reference {@code

        Predicates.<Entry<K, V>>and(
            multimap.entryPredicate(), Maps.<V>valuePredicateOnEntries(Predicates.in(c))));
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        // explicit <Entry<K, V>> is required to build with JDK6
        Predicates.<Entry<K, V>>and(
            multimap.entryPredicate(),

    List<String> list = newArrayList();
    Predicate<String> predicate = Predicates.equalTo("pants");

    assertFalse(Iterables.any(list, predicate));
    list.add("cool");
    assertFalse(Iterables.any(list, predicate));
    list.add("pants");
    assertTrue(Iterables.any(list, predicate));
  }

  public void testAll() {
    List<String> list = newArrayList();
    Predicate<String> predicate = Predicates.equalTo("cool");

    assertFalse(predicate.apply(1));
    array[0] = Predicates.alwaysTrue();
    assertFalse(predicate.apply(1));
  }

  public void testOr_listDefensivelyCopied() {
    List<Predicate<Object>> list = newArrayList();
    Predicate<Object> predicate = Predicates.or(list);
    assertFalse(predicate.apply(1));
    list.add(Predicates.alwaysTrue());
    assertFalse(predicate.apply(1));
  }

 * java.util.function.Predicate java.util.function.Predicate}.
 *
 * <p>The {@link Predicates} class provides common predicates and related utilities.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/FunctionalExplained">the use of {@code Predicate}</a>.
 *
 * <h3>For Java 8+ users</h3>
 *

                        Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("foo")));
                    return Multimaps.filterKeys(
                        multimap, Predicates.not(Predicates.equalTo("bar")));
                  }
                })
            .named("Multimaps.filterKeys[Multimaps.filterKeys[ListMultimap], Predicate]")
            .withFeatures(
                CollectionSize.ANY,

        Predicates.<Entry<K, V>>and(
            multimap.entryPredicate(), Maps.<V>valuePredicateOnEntries(Predicates.in(c))));
  }

  @Override
  public boolean retainAll(Collection<?> c) {
    return Iterables.removeIf(
        multimap.unfiltered().entries(),
        // explicit <Entry<K, V>> is required to build with JDK6
        Predicates.<Entry<K, V>>and(
            multimap.entryPredicate(),