private final int port;
    private final CIFSContext context;
    private final ConcurrentHashMap<String, WitnessRegistration> registrations;
    private final ConcurrentHashMap<String, WitnessNotificationListener> listeners;
    private final ConcurrentHashMap<String, CompletableFuture<Void>> asyncNotifyTasks;
    private final ScheduledExecutorService scheduler;
    private final WitnessRpcClient rpcClient;

    private final int port;
    private final CIFSContext context;
    private final ConcurrentHashMap<String, WitnessRegistration> registrations;
    private final ConcurrentHashMap<String, WitnessNotificationListener> listeners;
    private final ScheduledExecutorService scheduler;
    private final WitnessRpcClient rpcClient;
    
    // Witness service endpoint

        client.close();
    }

    /**
     * Test notification listener that captures notifications
     */
    private static class TestNotificationListener implements WitnessClient.WitnessNotificationListener {
        private final CountDownLatch notificationLatch = new CountDownLatch(1);
        private volatile WitnessNotification lastNotification;

        @Override

        return witnessEnabled;
    }

    /**
     * Handle witness notifications
     */
    private class WitnessNotificationHandler implements WitnessClient.WitnessNotificationListener {
        @Override
        public void onWitnessNotification(WitnessNotification notification) {
            handleWitnessEvent(notification);
        }

        @Override