import java.util.ArrayList;
import java.util.List;

/**
 * Represents a witness notification received from the witness service.
 * Contains event information, resource details, and IP address changes.
 */
public class WitnessNotification {
    private WitnessEventType eventType;
    private long timestamp;
    private String resourceName;
    private final List<WitnessIPAddress> newIPAddresses;
    private final List<WitnessIPAddress> oldIPAddresses;

    }
}

private void handleResourceChange(WitnessNotification notification) {
    // Resource state changed - may need to reconnect
    log.info("Resource change detected for: {}", notification.getResourceName());
    
    // Schedule reconnection attempt
    scheduleReconnection(1000);  // 1 second delay
}

private void handleClientMove(WitnessNotification notification) {

        WitnessNotification.WitnessIPAddress addr4 = new WitnessNotification.WitnessIPAddress(ipv4);
        WitnessNotification.WitnessIPAddress addr6 = new WitnessNotification.WitnessIPAddress(ipv6);

        // IPv4 tests
        assertTrue(addr4.isIPv4());
        assertFalse(addr4.isIPv6());
        assertEquals(WitnessNotification.WitnessIPAddress.IPV4, addr4.getFlags());

                client.registerForNotifications("\\\\server\\share", serverAddress, listener).get(5, TimeUnit.SECONDS);

        // Create and process a notification
        WitnessNotification notification = new WitnessNotification(WitnessEventType.CLIENT_MOVE, "\\\\server\\share");
        notification.addNewIPAddress(InetAddress.getByName("192.168.1.101"));

        client.processNotification(notification);

        try {
            // Convert RPC message to WitnessNotification
            WitnessNotification notification = new WitnessNotification();

            // Set event type based on message type
            WitnessEventType eventType = convertMessageTypeToEventType(message.getType());
            notification.setEventType(eventType);

#### 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
```

#### 6.2 Implementation Tasks