* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetRegression(RegressionType newRegression, NotificationChain msgs) {
RegressionType oldRegression = regression;
regression = newRegression;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, _40Package.NODE_TYPE__REGRESSION, oldRegression, newRegression);
if (msgs == null) msgs = notification; else msgs.add(notification);
}