return 0;
    }

    @Override
    public String toString() {
        return ("Trans2FindNext2[" + super.toString() + ",sid=" + this.sid + ",searchCount=" + getConfig().getListSize()
                + ",informationLevel=0x" + Hexdump.toHexString(this.informationLevel, 3) + ",resumeKey=0x"

     */
    @Override
    protected Smb2SetInfoResponse createResponse(final CIFSContext tc, final ServerMessageBlock2Request<Smb2SetInfoResponse> req) {
        return new Smb2SetInfoResponse(tc.getConfig());
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size() {

    }

    @Test
    @DisplayName("initResponse prepares a response instance")
    void initResponseCreatesResponse() {
        SmbComNTCreateAndX req = createRequest(0, 0);
        when(mockContext.getConfig()).thenReturn(mockConfig);
        SmbComNTCreateAndXResponse resp = req.initResponse(mockContext);
        assertNotNull(resp, "Response should not be null after init");
        // getResponse should now return the same instance

```java
@Test
public void testMultiChannelThroughput() throws Exception {
    // Requires multi-NIC test environment
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useMultiChannel", "true");
    context.getConfig().setProperty("jcifs.smb.client.maxChannels", "4");
    
    SmbFile file = new SmbFile("smb://server/share/largefile.dat", context);
    

    private CIFSContext mockContext;

    private byte[] testFileId;
    private Smb2WriteRequest request;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        testFileId = new byte[16];
        new SecureRandom().nextBytes(testFileId);
        request = new Smb2WriteRequest(mockConfig, testFileId);
    }

    @Nested

        void testConstructorWithConfig() {
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }

        @Test
        @DisplayName("Should construct with config and command")
        void testConstructorWithConfigAndCommand() {
            int command = 0x01;

    private Configuration mockConfig;

    private static byte[] blobCred() {
        return "blobdata".getBytes(StandardCharsets.UTF_8);
    }

    @BeforeEach
    void setup() {
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockNegotiate.getServerData()).thenReturn(new ServerDataStub());
    }

    private void setupNegotiateStubs() {

        // Set system property for handle state directory
        System.setProperty("jcifs.smb.client.handleStateDirectory", tempDir.toString());

        when(mockContext.getConfig()).thenReturn(mockConfig);

        manager = new PersistentHandleManager(mockContext);
    }

    @AfterEach
    public void tearDown() throws IOException {
        if (manager != null) {

            } else {
                // Create new handle info if not found
                HandleInfo newInfo =
                        new HandleInfo(path, guid, fileId, HandleType.PERSISTENT, context.getConfig().getPersistentHandleTimeout(), null);
                handles.put(path, newInfo);
                guidToHandle.put(guid, newInfo);
                persistHandle(newInfo);

        // Common happy-path defaults
        // Use lenient() to avoid strict stubbing issues with Mockito
        lenient().when(tree.acquire()).thenReturn(tree);
        lenient().when(tree.getConfig()).thenReturn(config);
        lenient().when(config.getListCount()).thenReturn(10);
        lenient().when(config.getListSize()).thenReturn(4096);

        lenient().when(parent.getLocator()).thenReturn(locator);