*/
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override

 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override

        DocumentBuilderFactory.newInstance().apply {
            setFeature("http://apache.org/xml/features/disallow-doctype-decl", true)
            setFeature("http://xml.org/sax/features/external-general-entities", false)
            setFeature("http://xml.org/sax/features/external-parameter-entities", false)
            setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false)

    testers.add(SortedSetNavigationTester.class);
    return testers;
  }

  @Override
  public TestSuite createTestSuite() {
    if (!getFeatures().contains(CollectionFeature.KNOWN_ORDER)) {
      List<Feature<?>> features = copyToList(getFeatures());
      features.add(CollectionFeature.KNOWN_ORDER);
      withFeatures(features);
    }
    return super.createTestSuite();
  }

  @Override

            .createTestSuite());
    if (!parentBuilder.getFeatures().contains(NoRecurse.INVERSE)) {
      derived.add(
          BiMapTestSuiteBuilder.using(
                  new InverseBiMapGenerator<K, V>(parentBuilder.getSubjectGenerator()))
              .withFeatures(computeInverseFeatures(parentBuilder.getFeatures()))
              .named(parentBuilder.getName() + " inverse")

          parentBuilder) {
    List<TestSuite> derivedSuites = new ArrayList<>(super.createDerivedSuites(parentBuilder));

    if (!parentBuilder.getFeatures().contains(SUBSET_VIEW)) {
      // Other combinations are inherited from SortedSetTestSuiteBuilder.
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.NO_BOUND, Bound.INCLUSIVE));

    testers.add(SortedMapNavigationTester.class);
    return testers;
  }

  @Override
  public TestSuite createTestSuite() {
    if (!getFeatures().contains(KNOWN_ORDER)) {
      List<Feature<?>> features = copyToList(getFeatures());
      features.add(KNOWN_ORDER);
      withFeatures(features);
    }
    return super.createTestSuite();
  }

  @Override

                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_SECURE_PROCESSING, true);
                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_EXTERNAL_GENERAL_ENTITIES, false);
                    factory.setFeature(org.codelibs.fess.crawler.Constants.FEATURE_EXTERNAL_PARAMETER_ENTITIES, false);

          parentBuilder) {
    return SetTestSuiteBuilder.using(
            new MultimapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();
  }

  @Override
  TestSuite computeMultimapAsMapGetTestSuite(

    testers.add(SortedMapNavigationTester.class);
    return testers;
  }

  @Override
  public TestSuite createTestSuite() {
    if (!getFeatures().contains(KNOWN_ORDER)) {
      List<Feature<?>> features = copyToList(getFeatures());
      features.add(KNOWN_ORDER);
      withFeatures(features);
    }
    return super.createTestSuite();
  }

  @Override