private List<E> values;
  private @Nullable E a;
  private @Nullable E b;
  private @Nullable E c;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    sortedSet = (SortedSet<E>) getSet();
    values =
        Helpers.copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));

                @Internal
                public ListProperty<Integer> getList() {
                    return list;
                }

                @Internal
                public SetProperty<Integer> getSet() {
                    return set;
                }

                @Internal
                public MapProperty<Integer, Boolean> getMap() {
                    return map;
                }

                abstract Property<Double> getNumber()
                @Internal
                abstract ListProperty<Integer> getList()
                @Internal
                abstract SetProperty<Integer> getSet()
                @Internal
                abstract MapProperty<Integer, Boolean> getMap()

                @TaskAction
                void run() {
                    System.out.println("flag = " + flag.get())

  private List<E> values;
  private @Nullable E a;
  private @Nullable E b;
  private @Nullable E c;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    sortedSet = (SortedSet<E>) getSet();
    values =
        Helpers.copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));

  private List<E> values;
  private E a;
  private E b;
  private E c;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    navigableSet = (NavigableSet<E>) getSet();
    values =
        Helpers.copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));

            interface Pet {
                String getName()
                void setName(String name)
            }

            @Managed
            interface Person {
                Pet getPet()
                void setPet(Pet pet)
            }

            class Holder {
                static Person person
            }

            class RulePlugin extends RuleSource {
                @Model