* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_postfix_exp(PostfixExpAst newP_postfix_exp, NotificationChain msgs) {
PostfixExpAst oldP_postfix_exp = p_postfix_exp;
p_postfix_exp = newP_postfix_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.EXPRESSION_POSTFIX_EXP_AST__PPOSTFIX_EXP, oldP_postfix_exp, newP_postfix_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}