public MyFinalizableWeakReference(Object x, FinalizableReferenceQueue queue) {
      super(x, queue);
    }

    @Override
    public void finalizeReferent() {}
  }

  private static class PermissivePolicy extends Policy {
    @Override
    public boolean implies(ProtectionDomain pd, Permission perm) {
      return true;
    }
  }

  private WeakReference<ClassLoader> useFrqInSeparateLoader() throws Exception {

  //      */
  //     public static void main(String[] args) {
  //         if (useSecurityManager) {
  //             System.err.println("Setting a permissive security manager");
  //             Policy.setPolicy(permissivePolicy());
  //             System.setSecurityManager(new SecurityManager());
  //         }
  //         int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);

  //         Test s = suite();

  //      */
  //     public static void main(String[] args) {
  //         if (useSecurityManager) {
  //             System.err.println("Setting a permissive security manager");
  //             Policy.setPolicy(permissivePolicy());
  //             System.setSecurityManager(new SecurityManager());
  //         }
  //         int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);

  //         Test s = suite();