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) {

     */
    @Test
    public void testReadBytes_LargeFile() throws Exception {
        final File largeFile = tempFolder.newFile("large.dat");

        // Create a file larger than MAX_BUF_SIZE (10MB)
        // Write 11MB of data
        try (FileOutputStream fos = new FileOutputStream(largeFile)) {
            final byte[] chunk = new byte[1024 * 1024]; // 1MB
            for (int i = 0; i < 11; i++) { // Write 11MB

    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];

              "ratio of equals/hashCode/compareTo operations to build with %s entries versus %s"
                  + " entries",
              largeSize, smallSize)
          .that(ratio)
          .isAtMost(
              2
                  * constructionAsymptotics.applyAsDouble(largeSize)
                  / constructionAsymptotics.applyAsDouble(smallSize));
      // allow up to 2x wobble in the constant factors
    }
  }

        assertEquals("", item.getEncodedId());
    }

    public void test_largeFileSize() {
        final long largeSize = 10737418240L; // 10 GB
        final StorageItem item = new StorageItem("large-file.zip", "/backups/", false, largeSize, null, "bGFyZ2UtZmlsZS56aXA=");

        assertEquals(largeSize, item.getSize());
    }

    public void test_rootPath() {