code: public boolean isUnloadedAtDestination() {
  		for (HandlingEvent event : this.lnkDeliveryHistory.eventsOrderedByCompletionTime()) {
  			if (HandlingEvent.Type.UNLOAD.equals(event.getType()) && hasArrived()) {
  				return true;
  			}
  		}
  		return false;
  	}
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