* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetGuard(AbstractTCGConstraint newGuard, NotificationChain msgs) {
AbstractTCGConstraint oldGuard = guard;
guard = newGuard;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, AbstractTestCaseGraphPackage.ABSTRACT_TCG_EDGE__GUARD, oldGuard, newGuard);
if (msgs == null) msgs = notification; else msgs.add(notification);
}