}

    /**
     * Get the durable handle GUID from the response
     * @return the durable handle GUID or null if no durable handle was granted
     */
    public jcifs.internal.smb2.persistent.HandleGuid getDurableHandleGuid() {
        // For now, return null as the GUID is typically provided in the request context
        // and the response doesn't necessarily contain the GUID in a standard format
        return null;
    }

                    if (persistentManager != null) {
                        persistentManager.storeHandle(uncPath, resp.getFileId(), resp.getDurableHandleGuid());
                    }
                }

                // Update lease state if granted
                if (config.isUseLeases() && resp.isLeaseGranted()) {