* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_library_header(LibraryHeaderAst newP_library_header, NotificationChain msgs) {
LibraryHeaderAst oldP_library_header = p_library_header;
p_library_header = newP_library_header;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.LIBRARY_AST__PLIBRARY_HEADER, oldP_library_header, newP_library_header);
if (msgs == null) msgs = notification; else msgs.add(notification);
}