private void When(StageWasAddedToLifeCycle @event)
        {
            _lastUsedId = LifeCycleStageId.FromNumber(@event.LifeCycleStageId);

            var lifeCycleStagePeriod = new LifeCycleStagePeriod(new ValidFrom(@event.From), new ValidTo(@event.To));

            _lifeCycleStagePeriods[@event.LifeCycleStageId] = lifeCycleStagePeriod;
        }
 private void When(StageWasAddedToLifeCycle @event)
 {
     _lifeCycle.Route(@event);
 }