@Override
 protected boolean accept(QualifiedMandelName n) {
   if (super.accept(n) && !MandUtils.hasSubNames(n.getMandelName(), getScanner())) {
     return true;
   }
   return false;
 }
 @Override
 protected MandelListFactory createFactory(QualifiedMandelName n) {
   return new FolderSubsetFactory(
       getMandelScanner(),
       n.getMandelName(),
       getEnvironment().getFavorites().getRoot(),
       getName());
 }