func (*DefaultTime) After(d time.Duration) <-chan time.Time {
	return time.After(d)
}
func (*DefaultTime) After(d time.Duration) <-chan time.Time {
	return time.After(d)
}
func ( * DefaultTime ) After ( d time . Duration ) <- chan time . Time { return time . After ( d ) }
// After sleeps for the given duration and then writes to to the returned channel
After sleeps for the given duration and then writes to to the returned channel