}

    /**
     * The elapsed wall clock time of executing the actual work, i.e. the time it took to execute the
     * {@link UnitOfWork#execute(UnitOfWork.ExecutionRequest)} method.
     *
     * The execution time refers to when and where the work was executed: if a previous result was reused,
     * then this method will return the time it took to produce the previous result.
     *

// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the CreationTimestamp field is set to the value of the last call.
func (b *PersistentVolumeClaimTemplateApplyConfiguration) WithCreationTimestamp(value metav1.Time) *PersistentVolumeClaimTemplateApplyConfiguration {
	b.ensureObjectMetaApplyConfigurationExists()
	b.CreationTimestamp = &value
	return b
}

	return math.Float64frombits(v.num)
}

// Time returns v's value as a [time.Time]. It panics
// if v is not a time.Time.
func (v Value) Time() time.Time {
	if g, w := v.Kind(), KindTime; g != w {
		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
	}
	return v.time()
}

// See TimeValue to understand how times are represented.
func (v Value) time() time.Time {
	switch a := v.any.(type) {
	case timeLocation:

type dynamicTimeout struct {
	timeout       int64
	minimum       int64
	entries       int64
	log           [dynamicTimeoutLogSize]time.Duration
	mutex         sync.Mutex
	retryInterval time.Duration
}

type dynamicTimeoutOpts struct {
	timeout       time.Duration
	minimum       time.Duration
	retryInterval time.Duration
}

func newDynamicTimeoutWithOpts(opts dynamicTimeoutOpts) *dynamicTimeout {

	// durationBeforeRetry will grow to due to exponential backoff.
	// Value is slightly offset from 2 minutes to make timeouts due to this
	// constant recognizable.
	maxDurationBeforeRetry = 2*time.Minute + 2*time.Second
)

// ExponentialBackoff contains the last occurrence of an error and the duration
// that retries are not permitted.
type ExponentialBackoff struct {
	lastError           error
	lastErrorTime       time.Time

The `BenchmarkControllers` puts this to the test, comparing an *ideal* hand-written controller to one written in `krt`.
While the numbers are likely to change over time, at the time of writing the overhead for `krt` is roughly 10%:

```text
name                  time/op
Controllers/krt-8     13.4ms ±23%
Controllers/legacy-8  11.4ms ± 6%

name                  alloc/op
Controllers/krt-8     15.2MB ± 0%

// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the CreationTimestamp field is set to the value of the last call.
func (b *PodTemplateSpecApplyConfiguration) WithCreationTimestamp(value metav1.Time) *PodTemplateSpecApplyConfiguration {
	b.ensureObjectMetaApplyConfigurationExists()
	b.CreationTimestamp = &value
	return b
}

  ~DeviceCompilationProfiler() override;

  struct ClusterCompileStats {
    // Number of times the cluster has been (re-)compiled.
    int64_t compile_count = 0;

    // The number of times this cluster has been executed.
    int64_t execution_count = 0;

    // Cumulative time spent compiling the cluster.
    int64_t cumulative_compile_time_us = 0;

		duration = time.Duration(qty) * time.Minute
	case timePartSecond:
		duration = time.Duration(qty) * time.Second
	default:
		return nil, errNotImplemented
	}
	return FromTimestamp(t.Add(duration)), nil
}

// dateDiff computes the difference between two times in terms of the
// `timePart` which can be years, months, days, hours, minutes or
// seconds. For difference in years, months or days, the time part,

// and returns the receiver, so that objects can be built by chaining "With" function invocations.
// If called multiple times, the CreationTimestamp field is set to the value of the last call.
func (b *JobTemplateSpecApplyConfiguration) WithCreationTimestamp(value metav1.Time) *JobTemplateSpecApplyConfiguration {
	b.ensureObjectMetaApplyConfigurationExists()
	b.CreationTimestamp = &value
	return b
}