Set<Integer> wrappedSet;
  Set<Integer> copyOfWrappedSet;
  InvalidatableSet<Integer> setToTest;

  @Before
  public void createSets() {
    wrappedSet = new HashSet<>();
    wrappedSet.add(1);
    wrappedSet.add(2);
    wrappedSet.add(3);

    copyOfWrappedSet = ImmutableSet.copyOf(wrappedSet);
    setToTest =
        InvalidatableSet.of(wrappedSet, () -> wrappedSet.contains(1), () -> 1 + "is not present");
  }

  @Test

	Bins      [24]tierStats
	UpdatedAt time.Time
}

func (l *lastDayTierStats) addStats(ts tierStats) {
	now := time.Now()
	l.forwardTo(now)

	nowIdx := now.Hour()
	l.Bins[nowIdx] = l.Bins[nowIdx].add(ts)
}

// forwardTo moves time to t, clearing entries between last update and t.
func (l *lastDayTierStats) forwardTo(t time.Time) {
	if t.IsZero() {
		t = time.Now()
	}

	since := t.Sub(l.UpdatedAt).Hours()

      List<E> targetElements = new ArrayList<>();
      Iterator<E> iterator = newTargetIterator();
      for (int j = 0; j < i; j++) {
        targetElements.add(iterator.next());
      }
      iterator.forEachRemaining(targetElements::add);
      if (knownOrder == KnownOrder.KNOWN_ORDER) {
        assertEquals(expectedElements, targetElements);
      } else {

        ASN1Integer expected = new ASN1Integer(123);
        vector.add(expected);
        ASN1Integer result = ASN1Util.as(ASN1Integer.class, vector.elements());
        assertSame(expected, result);
    }

    @Test
    void testAs_Enumeration_Failure() {
        // Test failed casting from enumeration
        Vector<ASN1Integer> vector = new Vector<>();
        vector.add(new ASN1Integer(123));

  fun setFaultyWrite(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      writeFaults.add(file)
    } else {
      writeFaults.remove(file)
    }
  }

  fun setFaultyDelete(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      deleteFaults.add(file)
    } else {
      deleteFaults.remove(file)
    }
  }

  fun setFaultyRename(
    file: Path,

    // other threads waiting on take() will also return.
    if (result == DEAD_LETTER) responseQueue.add(DEAD_LETTER)

    return result
  }

  public override fun peek(): MockResponse = responseQueue.peek() ?: failFastResponse ?: super.peek()

  public open fun enqueue(response: MockResponse) {
    responseQueue.add(response)
  }

  public open fun clear() {
    responseQueue.clear()
  }

	xioutil.SafeClose(bucketCh)

	bucketResults := make(chan dataUsageEntryInfo, len(disks))

	// Start async collector/saver.
	// This goroutine owns the cache.
	var saverWg sync.WaitGroup
	saverWg.Add(1)
	go func() {
		// Add jitter to the update time so multiple sets don't sync up.
		updateTime := 30*time.Second + time.Duration(float64(10*time.Second)*rand.Float64())
		t := time.NewTicker(updateTime)
		defer t.Stop()

  }

  @Throws(UnknownHostException::class)
  private fun lookupHttps(hostname: String): List<InetAddress> {
    val networkRequests =
      buildList {
        add(client.newCall(buildRequest(hostname, DnsRecordCodec.TYPE_A)))

        if (includeIPv6) {
          add(client.newCall(buildRequest(hostname, DnsRecordCodec.TYPE_AAAA)))
        }
      }

    val failures = ArrayList<Exception>(2)

        return _columnSessionId;
    }

    protected List<ColumnInfo> ccil() {
        List<ColumnInfo> ls = newArrayList();
        ls.add(columnCreatedTime());
        ls.add(columnExpiredTime());
        ls.add(columnName());
        ls.add(columnSessionId());
        return ls;
    }

    // ===================================================================================

    public void neitherOverriddenNorAnnotated(Object o) {
      neitherOverriddenNorAnnotatedEvents.add(o);
    }

    public void overriddenInSubclassNowhereAnnotated(Object o) {
      overriddenInSubclassNowhereAnnotatedEvents.add(o);
    }

    public void overriddenAndAnnotatedInSubclass(Object o) {
      overriddenAndAnnotatedInSubclassEvents.add(o);
    }
  }

  static class SubClass extends SuperClass {
    @Override