*/
    @Override
    public synchronized void init() {
        if (smbAuthenticationHolder != null) {
            return;
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing SmbClient...");
        }

        super.init();

        final Properties props = new Properties();

            }
        }
        if (logger.isDebugEnabled()) {
            logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        // validate that state in response equals to state in request
        final StateData stateData = validateState(request.getSession(), params.containsKey(STATE) ? params.get(STATE).get(0) : null);
        if (logger.isDebugEnabled()) {

        if (usage == 1) {
            synchronized (this) {
                try (SmbTreeImpl t = getTree()) {
                    if ((t != null) && !this.treeAcquired) {
                        if (log.isDebugEnabled()) {
                            log.debug("Acquire tree on first usage " + t);
                        }
                        t.acquire();
                        this.treeAcquired = true;
                    }

        if (log.isDebugEnabled()) {
            log.debug("Sign key is " + Hexdump.toHexString(this.signKey));
            log.debug("Verify key is " + Hexdump.toHexString(this.verifyKey));
        }

        this.sealClientKey = deriveKey(mk, C2S_SEAL_CONSTANT);
        this.sealClientHandle = Crypto.getArcfour(this.sealClientKey);
        if (log.isDebugEnabled()) {

     */
    public void add(final ThumbnailGenerator generator) {
        if (generator.isAvailable()) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} is available.", generator.getName());
            }
            generatorList.add(generator);
        } else if (logger.isDebugEnabled()) {
            logger.debug("{} is not available.", generator.getName());
        }
    }

    /**

            p += path;
        }
        try {
            if (log.isDebugEnabled()) {
                log.debug("Fetching referral for " + p);
            }
            final DfsReferralData dr = trans.getDfsReferrals(tf, p, targetHost, targetDomain, 0);
            if (dr != null) {

                if (log.isDebugEnabled()) {
                    log.debug(String.format("Referral for %s: %s", p, dr));

                    forceStop();
                    break;
                }
            }

            if (logger.isDebugEnabled()) {
                logger.debug("Finished indexUpdater.");
            }
        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.error("IndexUpdater is terminated.", e);
            } else if (logger.isInfoEnabled()) {

    static {
        if (Config.getInt("jcifs.smb1.util.loglevel", -1) == -1) {
            if (logger.isTraceEnabled()) {
                LogStream.setLevel(4);
            } else if (logger.isDebugEnabled()) {
                LogStream.setLevel(3);
            } else if (logger.isWarnEnabled()) {
                LogStream.setLevel(2);
            } else if (logger.isErrorEnabled()) {

                    // PAC Server Signature
                    if (this.serverSignature == null) {
                        this.serverSignature = new PacSignature(bufferData);
                        if (log.isDebugEnabled()) {
                            log.debug(String.format("Server signature is type %d @ %d len %d", this.serverSignature.getType(), bufferOffset,
                                    bufferSize));
                        }

                    permissions = null;
                    if (logger.isDebugEnabled()) {
                        logger.debug("Token refreshed successfully via silent authentication");
                    }
                    return true;
                }
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Silent token refresh failed: {}", e.getMessage());