Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_negative() {
    assertThrows(IndexOutOfBoundsException.class, () -> getList().add(-1, e3()));
    expectUnchanged();
    expectMissing(e3());
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_tooLarge() {

		status:       scanStateError,
		fileNotFound: false,
		error:        "an error lol",
		started:      metaCacheTestsetTimestamp.Add(-20 * time.Minute),
		ended:        metaCacheTestsetTimestamp.Add(-20 * time.Minute),
		lastUpdate:   metaCacheTestsetTimestamp.Add(-20 * time.Minute),
		lastHandout:  metaCacheTestsetTimestamp.Add(-20 * time.Minute),
		dataVersion:  metacacheStreamVersion,
	},
	4: {
		id:           "case-5-noupdate",

	r.AddInpodMarkIPRuleCnt.Add(1)
	return nil
}

func (r *fakeIptablesDeps) DelInpodMarkIPRule(cfg *iptables.Config) error {
	r.DelInpodMarkIPRuleCnt.Add(1)
	return nil
}

func (r *fakeIptablesDeps) AddLoopbackRoutes(cfg *iptables.Config) error {
	r.AddLoopbackRoutesCnt.Add(1)
	return r.AddRouteErr
}

                Collections.singletonList("tag1"), Collections.singletonList("role1"));

        settings.elevateWord().add(elevateWord1);
        settings.elevateWord().add(elevateWord2);
        settings.elevateWord().add(elevateWord3);

        assertEquals(3, settings.elevateWord().get().length);
        assertEquals(elevateWord1.getElevateWord(), settings.elevateWord().get()[0].getElevateWord());

    assertEquals(originalCount, getMultiset().add(e0(), 2));
    assertTrue(getMultiset().add(e0()));
    assertEquals(originalCount + 3, getMultiset().add(e0(), 1));
    assertEquals(originalCount + 4, getMultiset().count(e0()));
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testAddOccurrences_unsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getMultiset().add(e0(), 2));
  }

    testers.add(CollectionSerializationEqualTester.class);
    testers.add(MultisetAddTester.class);
    testers.add(MultisetContainsTester.class);
    testers.add(MultisetCountTester.class);
    testers.add(MultisetElementSetTester.class);
    testers.add(MultisetEqualsTester.class);
    testers.add(MultisetReadsTester.class);
    testers.add(MultisetSetCountConditionallyTester.class);

### Translations

* 🌐 Add Korean translation for `docs/ko/docs/advanced/wsgi.md`. PR [#12659](https://github.com/fastapi/fastapi/pull/12659) by [@Limsunoh](https://github.com/Limsunoh).
* 🌐 Add Portuguese translation for `docs/pt/docs/advanced/websockets.md`. PR [#12703](https://github.com/fastapi/fastapi/pull/12703) by [@devfernandoa](https://github.com/devfernandoa).

    ImmutableSet.Builder<Object> builder = ImmutableSet.builderWithExpectedSize(6);
    builder.add(0);
    ImmutableSet<Object> unused = builder.build();
    ImmutableSet<Object> subject = builder.add(1).add(2).add(3).build();
    assertFalse(subject.contains(4));
  }

        Collection<ModelProblem> list = new ArrayList<>();
        for (ModelProblem item : problems) {
            list.add(item);
        }
        for (ModelProblem item : result.getProblems()) {
            list.add(item);
        }
        return new Result<>(result.hasErrors() || hasErrors(problems), result.get(), list);
    }