ServerMessageBlock2Request<?> chain, T andxResponse) throws CIFSException, GeneralSecurityException {
        final Smb2NegotiateResponse negoResp = (Smb2NegotiateResponse) trans.getNegotiateResponse();
        Smb2SessionSetupRequest request = null;
        Smb2SessionSetupResponse response = null;
        SmbException ex = null;
        SSPContext ctx = null;