/**
     * @return subject associated with the credentials
     */
    Subject getSubject ();


    /**
     * @throws CIFSException
     * 
     */
    void refresh () throws CIFSException;

     */
    public static final int NTLMSSP_TARGET_TYPE_SHARE = 0x00040000;

    /**
     * Indicates that the NTLM2 signing and sealing scheme should be used
     * for protecting authenticated communications. This refers to a
     * particular session security scheme, and is not related to the use
     * of NTLMv2 authentication.
     */
    public static final int NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY = 0x00080000;

    /**

        to.cachedSubject = from.cachedSubject;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.Kerb5Authenticator#refresh()
     */
    @Override
    public void refresh () throws CIFSException {
        log.debug("Refreshing JAAS credentials");
        this.cachedSubject = null;
    }


    /**
     * {@inheritDoc}
     *

     * <code>SmbFile</code> references a workgroup, the name of the workgroup
     * is returned. If this <code>SmbFile</code> refers to the root of this
     * SMB network hierarchy, <code>null</code> is returned.
     * 
     * @return The server or workgroup name or <code>null</code> if this
     *         <code>SmbFile</code> refers to the root <code>smb://</code> resource.
     */
    String getServer ();


    /**

    */
    public static final int NTLMSSP_TARGET_TYPE_SHARE = 0x00040000;

    /**
    * Indicates that the NTLM2 signing and sealing scheme should be used
    * for protecting authenticated communications.  This refers to a
    * particular session security scheme, and is not related to the use
    * of NTLMv2 authentication.
    */ 
    public static final int NTLMSSP_NEGOTIATE_NTLM2 = 0x00080000;