private final boolean largeFile;
    private int pid;
    private long byteOffset;
    private long lengthInBytes;

    /**
     * Constructs a LockingAndXRange with large file support.
     *
     * @param largeFile whether to use large file support (64-bit offsets)
     */
    public LockingAndXRange(final boolean largeFile) {
        this.largeFile = largeFile;
    }

    /**

        setField(cmd, "unlocks", new LockingAndXRange[0]);
        setField(cmd, "largeFile", false);
        byte[] buf = new byte[12]; // Buffer needs to be at least 12 bytes for the parameter words
        cmd.writeParameterWordsWireFormat(buf, 0);
        // The flag must be present so the command recognises largeFile
        SmbComLockingAndX copy = new SmbComLockingAndX(cfg);

    private int fid;
    private byte typeOfLock;
    private byte newOpLockLevel;
    private long timeout;
    private LockingAndXRange[] locks;
    private LockingAndXRange[] unlocks;
    private boolean largeFile;

    /**
     * Creates a new SMB1 locking request for file byte-range locking operations.
     *
     * @param config the CIFS configuration
     */
    public SmbComLockingAndX(final Configuration config) {

    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useRDMA", "true");
    
    SmbFile file = new SmbFile("smb://server/share/largefile.dat", context);
    
    // Measure RDMA transfer performance
    byte[] data = new byte[10485760];  // 10MB
    Arrays.fill(data, (byte)0x42);
    
    long start = System.currentTimeMillis();
    

    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);
    
    // Measure single channel throughput
    long singleChannelTime = measureReadTime(file, false);
    
    // Measure multi-channel throughput

    }

    // ========== Advanced Features ==========

    @Test
    void testLargeFileOperations() throws Exception {
        SmbFile file = new SmbFile(baseUrl + "shared/largefile.bin", context);

        // Create a smaller test file (1KB instead of 1MB)
        byte[] data = new byte[1024];
        for (int i = 0; i < data.length; i++) {
            data[i] = (byte) (i % 256);
        }

        // Use large but valid time values
        long largeTime = System.currentTimeMillis() + 365L * 24 * 60 * 60 * 1000; // 1 year from now
        int maxAttributes = Integer.MAX_VALUE;

        FileBasicInfo info = new FileBasicInfo(largeTime, largeTime, largeTime, largeTime, maxAttributes);

        // Encode and decode
        byte[] buffer = new byte[50];

        assertSame(specificHandle, handleField.get(lookupSids));
    }

    @Test
    void constructor_shouldHandleLargeSidArray() {
        // Arrange
        int largeSize = 1000;
        testSids = new jcifs.SID[largeSize];
        for (int i = 0; i < largeSize; i++) {
            testSids[i] = mock(jcifs.SID.class);
            when(testSids[i].unwrap(sid_t.class)).thenReturn(mockSidT);
        }

        // Act

    void testSizeReturnsLargeValue() {
        // Given
        int largeSize = Integer.MAX_VALUE;
        when(request.size()).thenReturn(largeSize);

        // When
        int result = request.size();

        // Then
        assertEquals(largeSize, result);
        verify(request, times(1)).size();
    }

    @Test