* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_helper_info(HelperInfoAst newP_helper_info, NotificationChain msgs) {
HelperInfoAst oldP_helper_info = p_helper_info;
p_helper_info = newP_helper_info;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.HELPER_HEADER_AST__PHELPER_INFO, oldP_helper_info, newP_helper_info);
if (msgs == null) msgs = notification; else msgs.add(notification);
}