* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_assign_exp(AssignExpAst newP_assign_exp, NotificationChain msgs) {
AssignExpAst oldP_assign_exp = p_assign_exp;
p_assign_exp = newP_assign_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.DEFAULT_VAL_AST__PASSIGN_EXP, oldP_assign_exp, newP_assign_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}