* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_else_part(ElsePartAst newP_else_part, NotificationChain msgs) {
ElsePartAst oldP_else_part = p_else_part;
p_else_part = newP_else_part;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.IF_EXP_AST__PELSE_PART, oldP_else_part, newP_else_part);
if (msgs == null) msgs = notification; else msgs.add(notification);
}