* java.util.stream.Stream#filter}. This method is not being deprecated, but we gently encourage
   * you to migrate to streams.
   */
  // TODO(kevinb): how to omit that last sentence when building GWT javadoc?
  public static <E extends @Nullable Object> Set<E> filter(
      Set<E> unfiltered, Predicate<? super E> predicate) {
    if (unfiltered instanceof SortedSet) {
      return filter((SortedSet<E>) unfiltered, predicate);

     *
     * @param extensionDependencyFilter The dependency filter to apply to plugins, may be {@code null}.
     */
    public void setExtensionDependencyFilter(DependencyFilter extensionDependencyFilter) {
        this.extensionDependencyFilter = extensionDependencyFilter;
    }

    /**
     * Gets the dependency filter used to exclude shared extension artifacts from plugin realms.

                .filter(p -> p.getArtifactId().equals(artifactId))
                .findFirst()
                .orElse(null);
        assertNotNull(plugin, "Unable to find plugin with artifactId: " + artifactId);
        List<PluginExecution> pluginExecutions = plugin.getExecutions();
        PluginExecution pluginExecution = pluginExecutions.stream()
                .filter(pe -> pe.getId().equals(expectedId))

        }
        return parent;
    }

    private Map<String, Activation> getProfileActivations(Model model) {
        return model.getProfiles().stream()
                .filter(p -> p.getActivation() != null)
                .collect(Collectors.toMap(Profile::getId, Profile::getActivation));
    }

    private Model injectProfileActivations(Model model, Map<String, Activation> activations) {

                unfiltered.add("zzz");
                unfiltered.add("abc");
                return Sets.filter(
                    Sets.filter(unfiltered, Collections2Test.LENGTH_1),
                    Collections2Test.NOT_YYY_ZZZ);
              }
            })
        .named("Sets.filter, filtered input")
        .withFeatures(
            CollectionFeature.SUPPORTS_ADD,

    Iterator<String> filtered = Iterators.filter(unfiltered, Predicates.alwaysFalse());
    List<String> expected = Collections.emptyList();
    List<String> actual = Lists.newArrayList(filtered);
    assertEquals(expected, actual);
  }

  public void testFilterMatchAll() {
    Iterator<String> unfiltered = Lists.newArrayList("foo", "bar").iterator();
    Iterator<String> filtered = Iterators.filter(unfiltered, Predicates.alwaysTrue());

                org.apache.maven.model.building.ModelProblem cycle = results.stream()
                        .flatMap(r -> r.getProblems().stream())
                        .filter(p -> p.getException() instanceof CycleDetectedException)
                        .findAny()
                        .orElse(null);
                if (cycle != null) {

?t&amok?i&juf?masih????v!.&em,g&olb,ro??moc?nc,ten?ude?ved,??ykuyr??v&b?c!.&emon?gro?moc?t&ni?opsgolb,?ude???ed!.&2r,ated,e&docotua,erf-korgn,nilnigol,?gnigats-oned,hcetaidem,korgn,le&crev,nap,?o&ned,tpyrctfihs,?ppa-rettalp,s&egap,r&ahc21,ekrow,??tilper:.&arik,d&eer,i,racip,?e&kip,saelererp,?frow,gnigats,k&cops,rik,?labolg,mik,o&do,ksis,?re&hcra,k&c&ah,ut,?ir,??s&enob,irap,maet,?tiprat,ulus,y&awenaj,elsew,ranac,??,vr&esi,uc,?weiverpbuhtig,xdom,ylf,??ih?l!.&di?fnoc?gro?lim?moc?nsa?ten?ude?vog???m...

   */
  @SuppressWarnings("unchecked") // can cast to <T> because non-Ts are removed
  @GwtIncompatible // Class.isInstance
  public static <T> UnmodifiableIterator<T> filter(Iterator<?> unfiltered, Class<T> desiredType) {
    return (UnmodifiableIterator<T>) filter(unfiltered, instanceOf(desiredType));
  }

  /**
   * Returns {@code true} if one or more elements returned by {@code iterator} satisfy the given
   * predicate.
   */

   * underlying multimap.
   *
   * <p>The returned multimap isn't threadsafe or serializable, even if {@code unfiltered} is.
   *
   * <p>Many of the filtered multimap's methods, such as {@code size()}, iterate across every
   * key/value mapping in the underlying multimap and determine which satisfy the filter. When a