* Used to register for witness notifications from the witness service.
 */
public class WitnessRegisterRequest {
    /**
     * Creates a new witness register request.
     */
    public WitnessRegisterRequest() {
        // Default constructor
    }

    private int version;
    private String shareName;
    private String serverAddress;

        lenient().when(mockResponse.getRegistrationId()).thenReturn("test-reg-123");

        WitnessRpcClient mockRpc = mock(WitnessRpcClient.class);
        lenient().when(mockRpc.register(any(WitnessRegisterRequest.class))).thenReturn(mockResponse);

        // Create a test witness client that uses our mock RPC client
        TestWitnessClient client = new TestWitnessClient(witnessServer, mockContext, mockRpc);

                    shareName, serverAddress, WitnessServiceType.FILE_SERVER_WITNESS);
                
                // Perform RPC registration
                WitnessRegisterRequest request = new WitnessRegisterRequest();
                request.setVersion(registration.getVersion().getValue());
                request.setShareName(shareName);
                request.setServerAddress(serverAddress.getHostAddress());

                        new WitnessRegistration(shareName, serverAddress, WitnessServiceType.FILE_SERVER_WITNESS);

                // Perform RPC registration
                WitnessRegisterRequest request = new WitnessRegisterRequest();
                request.setVersion(registration.getVersion().getValue());
                request.setShareName(shareName);
                request.setServerAddress(serverAddress.getHostAddress());

     *
     * @param request the registration request
     * @return the registration response
     * @throws IOException if the RPC call fails
     */
    public WitnessRegisterResponse register(WitnessRegisterRequest request) throws IOException {
        if (!connected) {
            throw new IOException("Witness client not connected");
        }

        try {