// Clean up account attempts
        accountAttempts.entrySet().removeIf(entry -> {
            AccountAttempts account = entry.getValue();
            return !account.isLockedOut() && account.getLastAttempt().plus(cleanupInterval).isBefore(now);
        });

        // Clean up IP attempts
        ipAttempts.entrySet().removeIf(entry -> {
            IpAttempts ip = entry.getValue();

        // Clean up old failure records
        long now = System.currentTimeMillis();
        lastFailureTimes.entrySet().removeIf(entry -> now - entry.getValue() > FAILURE_RECOVERY_TIME * 2);

        // Clean up old consecutive failure counters
        consecutiveFailures.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            Long lastFailure = lastFailureTimes.get(key);

                } else {
                    // Remove failed handle
                    handles.remove(path);
                    guidToHandle.remove(info.getCreateGuid());
                    removePersistedHandle(info);
                    log.warn("Reconnection failed, removed handle for: {}", path);
                }
            }
        } finally {

     * @param key lease key
     */
    public void releaseLease(Smb2LeaseKey key) {
        lock.writeLock().lock();
        try {
            LeaseEntry entry = leases.remove(key);
            if (entry != null) {
                pathToLease.remove(entry.getPath());
                log.debug("Released lease for path: {} with key: {}", entry.getPath(), key);
            }
        } finally {
            lock.writeLock().unlock();

        }
    }

    /**
     * Removes all channels for a session.
     *
     * @param sessionId the session identifier
     */
    public void removeChannels(String sessionId) {
        ChannelGroup channelGroup = sessionChannels.remove(sessionId);
        if (channelGroup != null) {
            for (ChannelInfo channel : channelGroup.getChannels()) {

    }

    private void cleanupOldRateLimitCounters(long currentWindow) {
        // Clean up counters from previous windows to prevent memory leaks
        rateLimitCounters.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            int lastUnderscore = key.lastIndexOf('_');
            if (lastUnderscore > 0) {
                try {

     */
    public boolean contains(final E element) {
        return indexOf(element) != -1;
    }

    /**
     * Removes an element from the list.
     *
     * @param element the element
     * @return true if the element was removed, false otherwise
     */
    public boolean remove(final E element) {
        if (element == null) {
            for (Entry e = header.next; e != header; e = e.next) {

     * the URL queue for the current thread is removed.
     *
     * @param urlQueue the URL queue to be set for the current thread, or null to remove the URL queue
     */
    public static void setUrlQueue(final UrlQueue<?> urlQueue) {
        if (urlQueue == null) {
            URL_QUEUE_THREAD_LOCAL.remove();
        } else {
            URL_QUEUE_THREAD_LOCAL.set(urlQueue);
        }
    }

    }

    /**
     * Removes the specified element from this set if it is present.
     *
     * @param o
     *            object to be removed from this set, if present.
     * @return true if the set contained the specified element.
     */
    @Override
    public boolean remove(final Object o) {
        return map.remove(o) == PRESENT;
    }

    /**

        NetworkInterfaceInfo remoteIf = selectRemoteInterface(index);

        if (localIf == null || remoteIf == null) {
            log.warn("Cannot select interfaces for channel {}", index);
            return;
        }

        // Create transport for this channel
        SmbTransport transport = createTransport(localIf, remoteIf);

        // Create channel info