List<FileNotifyInformation> notifications = response.getNotifyInformation();

        assertNotNull(notifications);
        assertEquals(2, notifications.size());
        assertEquals(mockNotifyInfo1, notifications.get(0));
        assertEquals(mockNotifyInfo2, notifications.get(1));

        // Verify first notification
        FileNotifyInformation info1 = notifications.get(0);

        List<FileNotifyInformation> notifications = response.getNotifyInformation();
        assertEquals(3, notifications.size());

        // Verify first notification
        assertEquals("file1.txt", notifications.get(0).getFileName());
        assertEquals(FileNotifyInformation.FILE_ACTION_ADDED, notifications.get(0).getAction());

        // Verify second notification

        List<FileNotifyInformation> notifications = response.getNotifyInformation();
        assertEquals(3, notifications.size());

        assertEquals(1, notifications.get(0).getAction());
        assertEquals("file1", notifications.get(0).getFileName());

        assertEquals(2, notifications.get(1).getAction());
        assertEquals("file2", notifications.get(1).getFileName());

                List<WitnessAsyncNotifyMessage.WitnessNotificationResponse> notifications = message.getNotifications();
                if (!notifications.isEmpty()) {
                    log.debug("Received {} notifications", notifications.size());
                    return notifications.get(0); // Return first notification
                }
            } else {

        }
    }
    
    private void processNotificationBatch(List<WitnessNotification> notifications) {
        // Process multiple notifications together for efficiency
        for (WitnessNotification notification : notifications) {
            // Handle notification
        }
    }
}
```

## 10. Security Considerations

### 10.1 Witness Authentication
```java

    /**
     * Processes a received witness notification.
     *
     * @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

    List<RemovalNotification<Integer, Integer>> notifications = new ArrayList<>();
    Cache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .removalListener(
                new RemovalListener<Integer, Integer>() {
                  @Override
                  public void onRemoval(RemovalNotification<Integer, Integer> notification) {
                    notifications.add(notification);
                  }

    }

    /**
     * Gets the list of notifications received.
     *
     * @return the list of notifications
     */
    public List<WitnessNotificationResponse> getNotifications() {
        return new ArrayList<>(notifications);
    }

    /**
     * Sets the notifications list.
     *
     * @param notifications the notifications to set
     */

public final class RemovalListeners {

  private RemovalListeners() {}

  /**
   * Returns a {@code RemovalListener} which processes all eviction notifications using {@code
   * executor}.
   *
   * @param listener the backing listener
   * @param executor the executor with which removal notifications are asynchronously executed
   */
  public static <K, V> RemovalListener<K, V> asynchronous(

    /**
     * Checks if directory change notifications are enabled for cache invalidation
     * @return true if change notifications are enabled
     */
    public boolean isNotificationEnabled() {
        return notificationEnabled;
    }

    /**
     * Enables or disables directory change notifications
     * @param notificationEnabled true to enable change notifications
     */