aggregateDetermineRequirementsTasks((NewMPTask)getDetermineRequirementsTask(detReqSubscription, aggMILSubscription), detReqSubscription.getAddedList());
aggregateDetermineRequirementsTasks((NewMPTask)getDetermineRequirementsTask(aggMILSubscription), detReqSubscription.getAddedCollection());
  public void aggregateDetermineRequirementsTasks(IncrementalSubscription detReqSubscription,						  IncrementalSubscription aggMILSubscription) {    aggMILTask = null;    if (detReqSubscription.hasChanged()) {      aggregateDetermineRequirementsTasks((NewMPTask)getDetermineRequirementsTask(detReqSubscription,										  aggMILSubscription),					  detReqSubscription.getAddedList());    }  }