this.unfiltered = checkNotNull(unfiltered);
    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();
  }

    <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);
    }

    final Collection<E> unfiltered;
    final Predicate<? super E> predicate;

    FilteredCollection(Collection<E> unfiltered, Predicate<? super E> predicate) {
      this.unfiltered = unfiltered;
      this.predicate = predicate;
    }

    FilteredCollection<E> createCombined(Predicate<? super E> newPredicate) {
      return new FilteredCollection<>(unfiltered, Predicates.and(predicate, newPredicate));
    }

    @Override

---
name: Feature request
about: Suggest an idea to improve Istio

---
(This is used to request new product features, please visit <https://github.com/istio/istio/discussions> for questions on using Istio)

**Describe the feature request**

**Describe alternatives you've considered**

**Affected product area (please put an X in all that apply)**

[ ] Ambient
[ ] Docs
[ ] Dual Stack
[ ] Installation
[ ] Networking

    }
  }

  static final Predicate<String> FILTER_KEYS =
      new Predicate<String>() {
        @Override
        public boolean apply(@Nullable String string) {
          return !"banana".equals(string) && !"eggplant".equals(string);
        }
      };

  static final Predicate<String> FILTER_VALUES =
      new Predicate<String>() {
        @Override

                    projectsInRequestScope.add(requestPomProject);

                    Predicate<ProjectBuildingResult> projectsOutsideOfRequestScope =
                            pr -> !projectsInRequestScope.contains(pr.getProject());

                    Predicate<Exception> pluginArtifactNotFoundException = exc -> exc instanceof PluginManagerException

    unfiltered.put("foo", 55556);
    unfiltered.put("badkey", 1);
    return Multimaps.filterEntries(unfiltered, ENTRY_PREDICATE);
  }

  private static final Predicate<String> KEY_PREDICATE =
      new Predicate<String>() {
        @Override
        public boolean apply(String key) {
          return !"badkey".equals(key);
        }
      };

  public void testFilterKeys() {

      Predicate<T> predicate) {
    return new PredicateFunction<>(predicate);
  }

  /** @see Functions#forPredicate */
  private static class PredicateFunction<T extends @Nullable Object>
      implements Function<T, Boolean>, Serializable {
    private final Predicate<T> predicate;

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

    @Override

    this.unfiltered = checkNotNull(unfiltered);
    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();
  }

  /** Implementation of {@link #forPredicate(Predicate)}. */
  private static final class ForPredicate extends CharMatcher {

    private final Predicate<? super Character> predicate;

    ForPredicate(Predicate<? super Character> predicate) {
      this.predicate = checkNotNull(predicate);
    }

    @Override
    public boolean matches(char c) {
      return predicate.apply(c);
    }