*     Reference<?> reference = new FinalizablePhantomReference<MyServer>(myServer, frq) {
 *       public void finalizeReferent() {
 *         references.remove(this):
 *         if (!serverSocket.isClosed()) {
 *           ...log a message about how nobody called close()...
 *           try {
 *             serverSocket.close();
 *           } catch (IOException e) {
 *             ...
 *           }
 *         }

 *     Reference<?> reference = new FinalizablePhantomReference<MyServer>(myServer, frq) {
 *       public void finalizeReferent() {
 *         references.remove(this):
 *         if (!serverSocket.isClosed()) {
 *           ...log a message about how nobody called close()...
 *           try {
 *             serverSocket.close();
 *           } catch (IOException e) {
 *             ...
 *           }
 *         }