* @param responseType
     * @return decoded data
     * @throws SmbException
     */
    @SuppressWarnings ( "unchecked" )
    public <T extends Decodable> T getOutputData ( Class<T> responseType ) throws SmbException {

        Decodable out = getOutputData();

        if ( out == null ) {
            throw new SmbException("Failed to decode output data");
        }

                req.setFlags(Smb2IoctlRequest.SMB2_O_IOCTL_IS_FSCTL);
                Smb2IoctlResponse resp = th.send(req, RequestParam.NO_RETRY);
                return ((SrvPipePeekResponse)resp.getOutputData()).getReadDataAvailable();
            }
            TransPeekNamedPipe req = new TransPeekNamedPipe(th.getConfig(), this.handle.getUncPath(), fd.getFid());