* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_population_section(PopulationSectionAst newP_population_section, NotificationChain msgs) {
PopulationSectionAst oldP_population_section = p_population_section;
p_population_section = newP_population_section;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.MAPPING_BODY_AST__PPOPULATION_SECTION, oldP_population_section, newP_population_section);
if (msgs == null) msgs = notification; else msgs.add(notification);
}