* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_collection_key(CollectionKeyAst newP_collection_key, NotificationChain msgs) {
CollectionKeyAst oldP_collection_key = p_collection_key;
p_collection_key = newP_collection_key;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.COLLECTION_COMPLEX_TYPE_AST__PCOLLECTION_KEY, oldP_collection_key, newP_collection_key);
if (msgs == null) msgs = notification; else msgs.add(notification);
}