// Test service endpoint formatting
        String serviceEndpoint = "ncacn_ip_tcp:" + mockWitnessAddress.getHostAddress() + "[135]";
        assertNotNull(serviceEndpoint);
        assertTrue(serviceEndpoint.contains("ncacn_ip_tcp"));
        assertTrue(serviceEndpoint.contains("135"));

        // Test with mock service for integration validation
        assertNotNull(mockService);

			<version>1.7.26</version>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>commons-logging</groupId>
			<artifactId>commons-logging</artifactId>
			<version>1.3.5</version>
			<optional>true</optional>
		</dependency>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.13.2</version>
			<scope>test</scope>
		</dependency>

        assertTrue(thrown.getMessage().contains("Bad endpoint"), "Exception message should indicate a bad endpoint.");
    }

    @Test
    void testSetOptionEndpointInvalidFormat() {
        String endpoint = "135"; // Example non-pipe endpoint that is not recognized
        DcerpcException thrown = assertThrows(DcerpcException.class, () -> {
            dcerpcBinding.setOption("endpoint", endpoint);

    private final WitnessRpcClient rpcClient;

    // Witness service endpoint
    private static final String WITNESS_SERVICE_UUID = "ccd8c074-d0e5-4a40-92b4-d074faa6ba28";
    private static final int DEFAULT_WITNESS_PORT = 135; // RPC endpoint mapper

    /**
     * Interface for receiving witness notifications and registration events.
     */
    public interface WitnessNotificationListener {
        /**

    private static final int WITNESS_INTERFACE_VERSION = 1;

    // RPC connection parameters
    private static final int WITNESS_RPC_PORT = 135;
    private static final int WITNESS_RPC_TIMEOUT_MS = 5000;

    // RPC operation numbers
    private static final int WITNESS_REGISTER = 0;
    private static final int WITNESS_UNREGISTER = 1;

    
    // Witness service endpoint
    private static final String WITNESS_SERVICE_UUID = "ccd8c074-d0e5-4a40-92b4-d074faa6ba28";
    private static final int DEFAULT_WITNESS_PORT = 135;  // RPC endpoint mapper
    
    public interface WitnessNotificationListener {
        void onWitnessNotification(WitnessNotification notification);

     */
    private boolean isWitnessServiceAvailable(InetAddress address) {
        // RPC endpoint mapper port and connection timeout
        final int RPC_ENDPOINT_PORT = 135;
        final int RPC_CONNECT_TIMEOUT_MS = 5000;

        try (Socket socket = new Socket()) {
            socket.connect(new InetSocketAddress(address, RPC_ENDPOINT_PORT), RPC_CONNECT_TIMEOUT_MS);