* @param fileId the 16-byte file ID
     * @param type the handle type
     * @param timeout the timeout in milliseconds
     * @param leaseKey the associated lease key (can be null)
     */
    public HandleInfo(String path, HandleGuid guid, byte[] fileId, HandleType type, long timeout, Smb2LeaseKey leaseKey) {
        this.path = path;
        this.createGuid = guid;
        this.fileId = Arrays.copyOf(fileId, 16);
        this.type = type;

        // Request base lease
        Smb2LeaseKey leaseKey = baseLeaseManager.requestLease(directoryPath, requestedState);
        
        // Create directory cache entry
        DirectoryCacheEntry cacheEntry = new DirectoryCacheEntry(directoryPath, leaseKey, scope);
        directoryCache.put(directoryPath, cacheEntry);
        leaseToPath.put(leaseKey, directoryPath);
        

        private volatile long lastAccessTime;
        private final Smb2LeaseKey leaseKey;  // Associated lease if any
        private volatile boolean reconnecting;
        private transient SmbFile file;  // Not serialized
        
        public HandleInfo(String path, HandleGuid guid, byte[] fileId, 
                         HandleType type, long timeout, Smb2LeaseKey leaseKey) {
            this.path = path;
            this.createGuid = guid;

    /**
     * Context name for lease response
     */
    public static final String CONTEXT_NAME = "RqLs";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private int leaseFlags;

    /**
     * Create a new lease V1 context response
     */
    public LeaseV1CreateContextResponse() {
    }

    @Override

    }

    /**
     * Start watching a directory for changes
     *
     * @param directoryPath directory path
     * @param leaseKey lease key
     */
    public void startWatching(String directoryPath, Smb2LeaseKey leaseKey) {
        if (activeWatchers.containsKey(directoryPath)) {
            return; // Already watching
        }

        try {

    /**
     * Context name for lease V2 response
     */
    public static final String CONTEXT_NAME = "RqL2";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();

    private Smb2LeaseKey leaseKey;
    private int leaseState;
    private int leaseFlags;
    private Smb2LeaseKey parentLeaseKey;
    private int epoch;

    /**
     * Create a new lease V2 context response
     */

/**
 * Cache entry for directory contents with thread-safe operations
 */
public class DirectoryCacheEntry {

    private final String directoryPath;
    private final Smb2LeaseKey leaseKey;
    private final long createTime;
    private volatile long lastUpdateTime;
    private volatile long lastAccessTime;

    private final ConcurrentHashMap<String, FileInfo> children;

        }
    }

    /**
     * Add a lease V1 context to this request
     * @param leaseKey the lease key
     * @param requestedState the requested lease state
     */
    public void addLeaseV1Context(Smb2LeaseKey leaseKey, int requestedState) {
        LeaseV1CreateContextRequest leaseContext = new LeaseV1CreateContextRequest(leaseKey, requestedState);
        addCreateContext(leaseContext);

     * @param path the file path
     * @param type the handle type
     * @param timeout the timeout in milliseconds
     * @param leaseKey the associated lease key (can be null)
     * @return the handle GUID
     */
    public HandleGuid requestDurableHandle(String path, HandleType type, long timeout, Smb2LeaseKey leaseKey) {
        HandleGuid guid = new HandleGuid();

        Smb2LeaseKey leaseKey = dirManager.requestDirectoryLease(directoryPath,
                Smb2LeaseState.SMB2_LEASE_READ_CACHING | Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING, scope);

        // Perform actual directory enumeration
        SmbFile[] files = smbFile.listFiles();

        // Update cache if we have a directory lease
        if (leaseKey != null) {