testers.add(MultisetEntrySetTester.class);
    testers.add(MultisetIteratorTester.class);
    testers.add(MultisetSerializationTester.class);
    return testers;
  }

  private static Set<Feature<?>> computeEntrySetFeatures(Set<Feature<?>> features) {
    Set<Feature<?>> derivedFeatures = new HashSet<>(features);
    derivedFeatures.remove(CollectionFeature.GENERAL_PURPOSE);
    derivedFeatures.remove(CollectionFeature.SUPPORTS_ADD);

    }

    derivedSuites.add(
        createDerivedEntrySetSuite(
                new MapEntrySetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
            .withFeatures(computeEntrySetFeatures(parentBuilder.getFeatures()))
            .named(parentBuilder.getName() + " entrySet")
            .suppressing(parentBuilder.getSuppressedTests())
            .withSetUp(parentBuilder.getSetUp())

    testers.add(MultisetEntrySetTester.class);
    testers.add(MultisetIteratorTester.class);
    testers.add(MultisetSerializationTester.class);
    return testers;
  }

  private static Set<Feature<?>> computeEntrySetFeatures(Set<Feature<?>> features) {
    Set<Feature<?>> derivedFeatures = new HashSet<>(features);
    derivedFeatures.remove(CollectionFeature.GENERAL_PURPOSE);
    derivedFeatures.remove(CollectionFeature.SUPPORTS_ADD);