t.getMessage().set("some value");
                        t.getNumber().set(1.23);
                        t.getList().set(Arrays.asList(1, 2));
                        t.getSet().set(Arrays.asList(1, 2));
                        Map<Integer, Boolean> map = new LinkedHashMap<>();
                        map.put(1, true);
                        map.put(2, false);

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    getSet().remove(e0());
    assertFalse(
        "After remove(present) a set should not contain the removed element.",
        getSet().contains(e0()));
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    getSet().remove(e0());
    assertFalse(
        "After remove(present) a set should not contain the removed element.",
        getSet().contains(e0()));
  }

   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {
    return (Set<E>) collection;
  }

   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {
    return (Set<E>) collection;
  }

	}
	wg.Wait()
	for i, err := range errs {
		if err != nil {
			t.Errorf("Failed adding first round of UIDs for job %s: %v", tracks[i].job, err)
		}
	}

	for _, track := range tracks {
		uids := expectations.getSet(track.job)
		if uids == nil {
			t.Errorf("Set of UIDs is empty for job %s", track.job)
		} else if diff := cmp.Diff(track.firstRound, sets.List(uids.set)); diff != "" {

		errs = AppendValidation(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
		errs = AppendValidation(errs, ValidateHTTPHeaderValue(val))
	}
	for name, val := range http.Headers.GetRequest().GetSet() {
		errs = AppendValidation(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
		errs = AppendValidation(errs, ValidateHTTPHeaderValue(val))
	}
	for _, name := range http.Headers.GetRequest().GetRemove() {

  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()));

  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;
                }