* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_implies_exp(ImpliesExpAst newP_implies_exp, NotificationChain msgs) {
ImpliesExpAst oldP_implies_exp = p_implies_exp;
p_implies_exp = newP_implies_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.IMPLIES_IMPLIES_EXP_AST__PIMPLIES_EXP, oldP_implies_exp, newP_implies_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}