* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_collectselect_op(CollectSelectOpAst newP_collectselect_op, NotificationChain msgs) {
CollectSelectOpAst oldP_collectselect_op = p_collectselect_op;
p_collectselect_op = newP_collectselect_op;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.COLLECT_SELECT_ITERATOR_EXP_AST__PCOLLECTSELECT_OP, oldP_collectselect_op, newP_collectselect_op);
if (msgs == null) msgs = notification; else msgs.add(notification);
}