void close () throws CIFSException;


    /**
     * @return whether the FD is open and valid
     */
    boolean isOpen ();


    /**
     * @return whether the FD was previously open but became invalid
     */
    boolean isStale ();


    /**
     * @param type
     * @return unwrapped instance
     */
    <T extends SmbPipeHandle> T unwrap ( Class<T> type );

/* Encodes and decodes to and from Base64 notation.
 * Copyright (C) 2003 "Eric Glass" <jcifs at samba dot org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,