digest.sign(data, 0, data.length, cancelRequest, null);

        verify(cancelRequest).setSignSeq(10);
        // Sequence should increment by 1 for cancel requests
    }

    @Test
    @DisplayName("Test sign method with null response")
    void testSignWithNullResponse() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey, false, 10);

        }
    }

    /**
     * Stop proactive health checking
     */
    public void stopProactiveHealthChecking() {
        if (healthCheckTask != null) {
            healthCheckTask.cancel(false);
            healthCheckTask = null;
            log.info("Stopped proactive health checking");
        }
    }

    /**
     * Perform proactive health check on all connections
     */

    
    public void stopWatching(String directoryPath) {
        ChangeNotificationHandle handle = activeWatchers.remove(directoryPath);
        if (handle != null) {
            handle.active = false;
            // Cancel any pending notifications
            cancelNotification(handle);
        }
    }
    
    private void startAsyncNotification(ChangeNotificationHandle handle) {
        CompletableFuture.runAsync(() -> {

            if (accessTimeoutTarget != null) {
                accessTimeoutTarget.stop();
                if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
    }

    /**
     * Retrieves response data for the given URI using SMB1 protocol.
     *
     * @param uri the URI to retrieve data from

            if (accessTimeoutTarget != null) {
                accessTimeoutTarget.stop();
                if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
    }

    /**
     * Parses an S3 path into bucket name and object path components.
     * @param path the S3 path to parse (format: bucket/object/path)

    public static final String LABELS_crawling_info_delete_all_confirmation = "{labels.crawling_info_delete_all_confirmation}";

    /** The key of the message: Cancel */
    public static final String LABELS_crawling_info_delete_all_cancel = "{labels.crawling_info_delete_all_cancel}";

    /** The key of the message: Thread Dump */

    /** SMB2 lock file command */
    protected static final short SMB2_LOCK = 0x000A;
    /** SMB2 IO control command */
    protected static final short SMB2_IOCTL = 0x000B;
    /** SMB2 cancel command */
    protected static final short SMB2_CANCEL = 0x000C;
    /** SMB2 echo/keepalive command */
    protected static final short SMB2_ECHO = 0x000D;
    /** SMB2 query directory command */

            throw new JobProcessingException("Failed to execute a crawl job.", e);
        } finally {
            if (timeoutTask != null && !timeoutTask.isCanceled()) {
                timeoutTask.cancel();
            }
        }

        return resultBuf.toString();

    }

    /**
     * Gets the count of currently running crawler jobs.

            if (accessTimeoutTarget != null) {
                accessTimeoutTarget.stop();
                if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
    }

    /**
     * Parses a GCS path into bucket name and object path components.
     * @param path the GCS path to parse (format: bucket/object/path)

            return;
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Closing HTTP client...");
        }
        if (connectionMonitorTask != null) {
            connectionMonitorTask.cancel();
            if (logger.isDebugEnabled()) {
                logger.debug("Connection monitor task cancelled");
            }
        }
        if (httpClient != null) {
            try {