* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetExpressionIf(Expression newExpressionIf, NotificationChain msgs) {
Expression oldExpressionIf = expressionIf;
expressionIf = newExpressionIf;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ExpressionsPackage.CONDITIONAL_EXPRESSION__EXPRESSION_IF, oldExpressionIf, newExpressionIf);
if (msgs == null) msgs = notification; else msgs.add(notification);
}