@Override
 protected Injector getInjector() {
   return QVTimperativeActivator.getInstance()
       .getInjector(QVTimperativeActivator.ORG_ECLIPSE_QVTD_XTEXT_QVTIMPERATIVE_QVTIMPERATIVE);
 }
 @Override
 protected Bundle getBundle() {
   return QVTimperativeActivator.getInstance().getBundle();
 }