// Output: I've got 4.5 hours of work left.
}

func ExampleDuration_Microseconds() {
	u, _ := time.ParseDuration("1s")
	fmt.Printf("One second is %d microseconds.\n", u.Microseconds())
	// Output:
	// One second is 1000000 microseconds.
}

func ExampleDuration_Milliseconds() {
	u, _ := time.ParseDuration("1s")
	fmt.Printf("One second is %d milliseconds.\n", u.Milliseconds())
	// Output:

						duration = time.Duration(val) * time.Nanosecond
					case ts.Unit.IsSetMILLIS():
						duration = time.Duration(val) * time.Millisecond
					case ts.Unit.IsSetMICROS():
						duration = time.Duration(val) * time.Microsecond
					default:
						return nil, errors.New("Invalid LogicalType annotation found")
					}
					value = sql.FormatSQLTimestamp(time.Unix(0, 0).Add(duration))
				}

		Name  string
		Old   metav1.MicroTime
		New   metav1.MicroTime
		Valid bool
	}{
		{
			Name:  "noop microsecond precision",
			Old:   metav1.NewMicroTime(time.Unix(100, int64(5*time.Microsecond))),
			New:   metav1.NewMicroTime(time.Unix(100, int64(5*time.Microsecond))),
			Valid: true,
		},
		{
			Name:  "noop nanosecond precision",

	c := make(chan os.Signal, tries)
	signal.Notify(c, syscall.SIGWINCH)
	wg.Add(1)
	go func() {
		defer wg.Done()
		for range c {
		}
	}()

	for i := 0; i < tries; i++ {
		time.Sleep(time.Microsecond)
		wg.Add(2)
		go func() {
			defer wg.Done()
			cmd := exec.Command(os.Args[0], "Nop")
			cmd.Stdout = os.Stdout
			cmd.Stderr = os.Stderr
			if err := cmd.Run(); err != nil {

			runtime.Goexit()
		}()

		// Generate some garbage.
		x[i] = make([]byte, 1024*1024)

		// Give GC some time to install stack barriers in the G.
		time.Sleep(50 * time.Microsecond)
		atomic.StoreInt32(&done, 1)
		for atomic.LoadInt32(&done) == 1 {
			runtime.Gosched()
		}
	}

		}

		// Test transitioning the bucket to enable the GC.

		l.StartGCTransition(true, advance(109*time.Millisecond))
		l.FinishGCTransition(advance(2*time.Millisecond + 1*time.Microsecond))

		if expect := uint64((2*time.Millisecond + 1*time.Microsecond) * procs); l.Fill() != expect {
			t.Fatalf("expected fill of %d, got %d cpu-ns", expect, l.Fill())
		}

		50 * time.Nanosecond,
		100 * time.Nanosecond,
		200 * time.Nanosecond,
		500 * time.Nanosecond,
		750 * time.Nanosecond,
		1 * time.Microsecond,
		5 * time.Microsecond,
		25 * time.Microsecond,
		250 * time.Microsecond,
		500 * time.Microsecond,
		1 * time.Millisecond,
		5 * time.Millisecond,
		100 * time.Millisecond,
		250 * time.Millisecond,
		500 * time.Millisecond,
		1 * time.Second,

	// In particular this should be more than the number of threads
	// the garbage collector might create.
	const threads = 10

	var wg sync.WaitGroup
	wg.Add(threads)
	ts := syscall.NsecToTimespec((100 * time.Microsecond).Nanoseconds())
	for i := 0; i < threads; i++ {
		go func() {
			defer wg.Done()
			syscall.Nanosleep(&ts, nil)
		}()
	}
	wg.Wait()

		handles.Inc()
		return nil
	}))
	q.Add(types.NamespacedName{Name: "something"})
	stop := make(chan struct{})
	go q.Run(stop)
	retry.UntilOrFail(t, q.HasSynced, retry.Delay(time.Microsecond))
	assert.Equal(t, handles.Load(), 1)
	q.Add(types.NamespacedName{Name: "something else"})
	close(stop)
	assert.NoError(t, q.WaitForClose(time.Second))
	// event 2 is guaranteed to happen from WaitForClose

    class ModelWithCustomEncoder(BaseModel):
        dt_field: datetime

        @field_serializer("dt_field")
        def serialize_dt_field(self, dt):
            return dt.replace(microsecond=0, tzinfo=timezone.utc).isoformat()

    class ModelWithCustomEncoderSubclass(ModelWithCustomEncoder):
        pass

    model = ModelWithCustomEncoder(dt_field=datetime(2019, 1, 1, 8))