/**
   * Waits for the {@link ServiceManager} to become {@linkplain #isHealthy() healthy} for no more
   * than the given time. The manager will become healthy after all the component services have
   * reached the {@linkplain State#RUNNING running} state.
   *
   * @param timeout the maximum time to wait
   * @param unit the time unit of the timeout argument
   * @throws TimeoutException if not all of the services have finished starting within the deadline

		{"error not equal", errors.New("1"), errors.New("2"), false},
		{"driver.Valuer equal", ModifyAt{Time: now, Valid: true}, ModifyAt{Time: now, Valid: true}, true},
		{"driver.Valuer not equal", ModifyAt{Time: now, Valid: true}, ModifyAt{Time: now.Add(time.Second), Valid: true}, false},
		{"driver.Valuer equal (ptr to nil ptr)", (*ModifyAt)(nil), &ModifyAt{}, false},
	}
	for _, test := range assertEqualTests {

		defaultKeyFunc,
		&MapClaims{
			MapClaims: jwt.MapClaims{
				"foo": "bar",
				"exp": float64(time.Now().Unix() - 100),
			},
		},
		false,
		-1,
	},
	{
		"basic nbf",
		"", // autogen
		defaultKeyFunc,
		&MapClaims{
			MapClaims: jwt.MapClaims{
				"foo": "bar",
				"nbf": float64(time.Now().Unix() + 100),
			},
		},
		false,
		-1,
	},
	{
		"expired and nbf",
		"", // autogen

		// to avoid multiple pool leaders herding to update around the same
		// time.
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		randSleepFor := func() time.Duration {
			return 5*time.Second + time.Duration(float64(5*time.Second)*r.Float64())
		}

		timer := time.NewTimer(randSleepFor())
		defer timer.Stop()

		var (
			quit     bool
			traceMsg string
		)

		}

		return float64(v[0].Value), nil
	default:
		return 0, errors.New("bad metric value type returned for query")
	}
}

func convertLatencyToDuration(val float64) time.Duration {
	return time.Duration(val) * time.Millisecond
}

func printHeader(writer io.Writer) {
	w := tabwriter.NewWriter(writer, 13, 1, 2, ' ', tabwriter.AlignRight)

	if eDays == 0 {
		return nil
	}
	return e.EncodeElement(int(eDays), startElement)
}

// ExpirationDate is a embedded type containing time.Time to unmarshal
// Date in Expiration
type ExpirationDate struct {
	time.Time
}

// UnmarshalXML parses date from Expiration and validates date format
func (eDate *ExpirationDate) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {

		s.XferRateSml.measure.updateExponentialMovingAverage(time.Now())
	}
}

// SRMetric captures replication metrics for a deployment
type SRMetric struct {
	DeploymentID  string             `json:"deploymentID"`
	Endpoint      string             `json:"endpoint"`
	TotalDowntime time.Duration      `json:"totalDowntime"`
	LastOnline    time.Time          `json:"lastOnline"`

For example, you could add a custom header `X-Process-Time` containing the time in seconds that it took to process the request and generate a response:

```Python hl_lines="10  12-13"
{!../../docs_src/middleware/tutorial001.py!}
```

/// tip

	lastUpdatedAt := user2.Account.UpdatedAt
	time.Sleep(time.Second)

	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user4 User
	DB.Preload("Account").Find(&user4, "id = ?", user.ID)

	if lastUpdatedAt.Format(time.RFC3339) == user4.Account.UpdatedAt.Format(time.RFC3339) {

package cmd

import (
	"context"
	"time"
)

type rebalPoolProgress struct {
	NumObjects  uint64        `json:"objects"`
	NumVersions uint64        `json:"versions"`
	Bytes       uint64        `json:"bytes"`
	Bucket      string        `json:"bucket"`
	Object      string        `json:"object"`
	Elapsed     time.Duration `json:"elapsed"`
	ETA         time.Duration `json:"eta"`
}