* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_library_signature(LibrarySignatureAst newP_library_signature, NotificationChain msgs) {
LibrarySignatureAst oldP_library_signature = p_library_signature;
p_library_signature = newP_library_signature;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.LIBRARY_HEADER_AST__PLIBRARY_SIGNATURE, oldP_library_signature, newP_library_signature);
if (msgs == null) msgs = notification; else msgs.add(notification);
}