}

            return connectHost(loc, loc.getServerWithDfs());
        }

    }

    /**
     * @return whether we have a valid tree connection
     */
    @SuppressWarnings("resource")
    public synchronized boolean isConnected() {
        final SmbTreeImpl t = getTreeInternal();
        return t != null && t.isConnected();
    }

    /**
     *
     * @param loc

    private static final Pattern EMAIL_ADDRESS_PATTERN =
            Pattern.compile("[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}", Pattern.CASE_INSENSITIVE);

    /**
     * Cache for storing resource file modification timestamps to enable cache busting.
     * The cache expires after 10 minutes and has a maximum size of 1000 entries.
     */
    private static LoadingCache<String, Long> resourceHashCache =

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private BoostDocumentRuleService boostDocumentRuleService;
    @Resource
    private BoostDocPager boostDocPager;

    // ===================================================================================

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private RoleService roleService;
    @Resource
    private RolePager rolePager;

    // ===================================================================================

    // Attribute
    // =========
    /** The search helper for performing search operations. */
    @Resource
    protected SearchHelper searchHelper;

    /** The search engine client for interacting with OpenSearch. */
    @Resource
    protected SearchEngineClient searchEngineClient;

    // ===================================================================================

import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.util.LaServletContextUtil;

import jakarta.servlet.ServletContext;

/**
 * Utility class for accessing various resource paths and files in the Fess application.
 * This class provides methods to retrieve paths for configuration files, templates, dictionaries,
 * thumbnails, plugins, and other resources required by the Fess search engine.

     *
     * @param notification the notification to process
     */
    public void processNotification(WitnessNotification notification) {
        log.info("Received witness notification: {} for resource: {}", notification.getEventType(), notification.getResourceName());

        // Find registrations that match this notification
        for (Map.Entry<String, WitnessRegistration> entry : registrations.entrySet()) {

    //                                                                           =========

    /** Service for managing elevate word configurations */
    @Resource
    private ElevateWordService elevateWordService;

    /** Helper for managing search suggestions and elevate words */
    @Resource
    protected SuggestHelper suggestHelper;

    // GET /api/admin/elevateword
    // PUT /api/admin/elevateword
    /**

├── ResourceChange.java          - Resource change events
└── WitnessTransport.java       - Witness-specific RPC transport
```

#### 6.2 Implementation Tasks
- [ ] Implement Witness RPC protocol
- [ ] Create witness service discovery
- [ ] Implement client registration
- [ ] Add notification callback mechanism
- [ ] Create resource monitoring
- [ ] Implement automatic re-registration

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private AccessTokenService accessTokenService;
    @Resource
    private AccessTokenPager accessTokenPager;

    // ===================================================================================