docs: public NotificationChain basicSetCostParameters(CostParameters newCostParameters, NotificationChain msgs) {
  		CostParameters oldCostParameters = costParameters;
  		costParameters = newCostParameters;
  		if (eNotificationRequired()) {
  			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, BpsimPackage.ELEMENT_PARAMETERS__COST_PARAMETERS, oldCostParameters, newCostParameters);
  			if (msgs == null) msgs = notification; else msgs.add(notification);
  		}
  		return msgs;
  	}