* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetP_block_exp(BlockExpAst newP_block_exp, NotificationChain msgs) {
BlockExpAst oldP_block_exp = p_block_exp;
p_block_exp = newP_block_exp;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, QvtAstPackage.BLOCK_EXP_ACCESS_POSTFIX_EXP_AST__PBLOCK_EXP, oldP_block_exp, newP_block_exp);
if (msgs == null) msgs = notification; else msgs.add(notification);
}