* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_helper_kind(HelperKindAst newP_helper_kind, NotificationChain msgs) {
HelperKindAst oldP_helper_kind = p_helper_kind;
p_helper_kind = newP_helper_kind;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.HELPER_INFO_AST__PHELPER_KIND, oldP_helper_kind, newP_helper_kind);
if (msgs == null) msgs = notification; else msgs.add(notification);
}