support

type TimerCallback func(ctx activity.Context) (resume bool)

type TimerSupport interface {
	// HasTimer indicates if a timer already exists
	HasTimer(repeating bool) bool

	// CancelTimer cancels the existing timer
	CancelTimer(repeating bool)

	UpdateTimer(repeating bool)

	// CreateTimer creates a timer, note: can only have one active timer at a time for an activity
	CreateTimer(interval time.Duration, callback TimerCallback, repeating bool) error
}