* @throws SmbException if decoding fails or the response type is incompatible
     */
    @SuppressWarnings("unchecked")
    public <T extends Decodable> T getOutputData(final Class<T> responseType) throws SmbException {

        final Decodable out = getOutputData();

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

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