package com.ibm.awb.weakref;/* * @(#)Ref.java *  * IBM Confidential-Restricted *  * OCO Source Materials *  * 03L7246 (c) Copyright IBM Corp. 1996, 1998 *  * The source code for this program is not published or otherwise * divested of its trade secrets, irrespective of what has been * deposited with the U.S. Copyright Office. */import java.io.*;public interface Ref {	public Ref getRef(VirtualRef vref);	public String getRefClassName();	public void referenced();	public void setRef(VirtualRef vref, ObjectInputStream s) 			throws IOException, ClassNotFoundException;	public void unreferenced();	public void writeInfo(ObjectOutputStream s) throws IOException;}