try {
                SmbTransportInternal t;
                try ( SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
                      SmbSessionInternal session = th.getSession().unwrap(SmbSessionInternal.class);
                      SmbTransportInternal trans = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    t = trans;
                }

            return transport.getNegotiateResponse().isDFSSupported();
        }
    }


    /**
     * @return the session this tree is connected in
     */
    public SmbSessionImpl getSession () {
        return this.session.acquire();
    }


    /**
     * @return the tid
     */
    public int getTid () {
        return this.tid;
    }


    /**

        Address dc;
        String msg, pathInfo, server = null;
        boolean offerBasic, possibleWorkgroup = true;
        NtlmPasswordAuthentication ntlm = null;
        HttpSession ssn = req.getSession(false);

        if ( ( pathInfo = req.getPathInfo() ) != null ) {
            int i;
            server = parseServerAndShare(pathInfo);
            if ( server != null && ( i = server.indexOf('/') ) > 0 ) {

        UniAddress dc;
        String msg, pathInfo, server = null;
        boolean offerBasic, possibleWorkgroup = true;
        NtlmPasswordAuthentication ntlm = null;
        HttpSession ssn = req.getSession( false );

        if(( pathInfo = req.getPathInfo() ) != null ) {
            int i;
            server = parseServerAndShare( pathInfo );
            if( server != null && ( i = server.indexOf( '/' )) > 0 ) {

        try ( SmbFile f = new SmbFile(getTestShareURL(), ctx);
              SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
              SmbSessionInternal session = (SmbSessionInternal) th.getSession() ) {
            Assume.assumeTrue("Not SMB2", th.isSMB2());
            f.exists();
            session.reauthenticate();
            f.exists();
        }
    }


    @Test