* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_tagvalue(TagValueAst newP_tagvalue, NotificationChain msgs) {
TagValueAst oldP_tagvalue = p_tagvalue;
p_tagvalue = newP_tagvalue;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.TAG_AST__PTAGVALUE, oldP_tagvalue, newP_tagvalue);
if (msgs == null) msgs = notification; else msgs.add(notification);
}