code: public void setRefCSys(Integer newRefCSys) {
  		Integer oldRefCSys = refCSys;
  		refCSys = newRefCSys;
  		if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, AfplibPackage.OBP__REF_CSYS, oldRefCSys, refCSys));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated