/**
 * Represents a witness service registration for SMB resource monitoring.
 * This class maintains registration state, heartbeat information, and
 * sequence numbers for witness protocol communication.
 */
public class WitnessRegistration {
    private final String registrationId;
    private final String shareName;
    private final InetAddress serverAddress;
    private final WitnessServiceType serviceType;
    private final WitnessVersion version;

     */
    public CompletableFuture<WitnessRegistration> registerForNotifications(String shareName, InetAddress serverAddress,
            WitnessNotificationListener listener) {

        return CompletableFuture.supplyAsync(() -> {
            try {
                // Create registration
                WitnessRegistration registration =

        assertEquals(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION, registration.getFlags());

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_NONE);
        assertEquals(WitnessRegistration.WITNESS_REGISTER_NONE, registration.getFlags());

        registration.setFlags(WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION);

        TestNotificationListener listener = new TestNotificationListener();

        CompletableFuture<WitnessRegistration> future = client.registerForNotifications("\\\\server\\share", serverAddress, listener);

        WitnessRegistration registration = future.get(5, TimeUnit.SECONDS);

        assertNotNull(registration);

    
    public interface WitnessNotificationListener {
        void onWitnessNotification(WitnessNotification notification);
        void onRegistrationFailed(WitnessRegistration registration, Exception error);
        void onRegistrationExpired(WitnessRegistration registration);
    }
    
    public WitnessClient(InetAddress witnessServer, CIFSContext context) {
        this.witnessServer = witnessServer;

        }

        @Override
        public void onRegistrationFailed(WitnessRegistration registration, Exception error) {
            log.error("Witness registration failed: {}", registration.getRegistrationId(), error);
        }

        @Override
        public void onRegistrationExpired(WitnessRegistration registration) {

    void testWitnessRegistrationStates() {
        assertEquals(5, WitnessRegistration.WitnessRegistrationState.values().length);

        // Verify all expected states are present
        assertNotNull(WitnessRegistration.WitnessRegistrationState.REGISTERING);
        assertNotNull(WitnessRegistration.WitnessRegistrationState.REGISTERED);
        assertNotNull(WitnessRegistration.WitnessRegistrationState.UNREGISTERING);

        // 1. Service discovery and registration
        assertEquals(0, mockService.getRegistrationCount());

        String regId =
                mockService.registerWitness("\\\\cluster\\share", "192.168.1.100", WitnessRegistration.WITNESS_REGISTER_IP_NOTIFICATION);

        assertEquals(1, mockService.getRegistrationCount());
        assertTrue(mockService.hasRegistration(regId));

        // 2. Heartbeat processing

#### 6.1 Core Witness Infrastructure
```
Package: jcifs.internal.witness
├── WitnessClient.java           - Witness client implementation
├── WitnessRegistration.java     - Client registration with witness
├── WitnessNotification.java     - Notification handling
├── ResourceChange.java          - Resource change events
└── WitnessTransport.java       - Witness-specific RPC transport