* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_expression_list(ExpressionListAst newP_expression_list, NotificationChain msgs) {
ExpressionListAst oldP_expression_list = p_expression_list;
p_expression_list = newP_expression_list;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.EXPRESSION_LIST_POPULATION_SECTION_AST__PEXPRESSION_LIST, oldP_expression_list, newP_expression_list);
if (msgs == null) msgs = notification; else msgs.add(notification);
}