.build()

    val startNanos = System.nanoTime()
    val call = client.newCall(request)

    // Schedule a job to cancel the call in 1 second.
    executor.schedule({
      System.out.printf("%.2f Canceling call.%n", (System.nanoTime() - startNanos) / 1e9f)
      call.cancel()
      System.out.printf("%.2f Canceled call.%n", (System.nanoTime() - startNanos) / 1e9f)
    }, 1, TimeUnit.SECONDS)

    
    // First listing should hit the server
    long start1 = System.currentTimeMillis();
    SmbFile[] files1 = dir.listFiles();
    long time1 = System.currentTimeMillis() - start1;
    
    // Second listing should use cache (much faster)
    long start2 = System.currentTimeMillis();
    SmbFile[] files2 = dir.listFiles();
    long time2 = System.currentTimeMillis() - start2;
    

            "21, 5, true", // READONLY | SYSTEM | DIRECTORY vs READONLY | SYSTEM

            // Negative cases (should be rejected)
            "1, 2, false", // READONLY vs HIDDEN
            "2, 1, false", // HIDDEN vs READONLY
            "16, 32, false", // DIRECTORY vs ARCHIVE
            "3, 4, false", // READONLY | HIDDEN vs SYSTEM
            "0, 1, false", // No filter attributes

    int strCopyLen = len;
    int pos = 0;
    while (count != 0) {
      if ((count & 1) != 0) {
        System.arraycopy(strCopy, 0, array, pos, strCopyLen);
        pos += strCopyLen;
      }
      count >>= 1;
      if (count != 0) {
        System.arraycopy(strCopy, 0, strCopy, strCopyLen, strCopyLen);
        strCopyLen <<= 1;
      }
    }
    return new String(array);
  }

 *     System.out.println(indexed.getIndex());
 *     System.out.println(indexed.getElement());
 * }
 * </pre>
 *
 * <pre>
 * import static org.codelibs.core.collection.IndexedIterator.*;
 * import static org.codelibs.core.io.LineIterator.*;
 *
 * BufferedReader reader = ...;
 * for (Indexed&lt;String&gt; indexed : indexed(iterable(reader))) {
 *     System.out.println(indexed.getIndex());

    /**
     * Generates a unique registration ID.
     *
     * @return a unique registration identifier
     */
    private String generateRegistrationId() {
        return "REG-" + System.currentTimeMillis() + "-" + Integer.toHexString(System.identityHashCode(this));
    }

    /**
     * Gets the next sequence number for this registration.
     *
     * @return the next sequence number
     */

        assertEquals(fileName.getBytes(StandardCharsets.UTF_16LE).length, nameLength);

        // Verify file name
        byte[] nameBytes = new byte[nameLength];
        System.arraycopy(buffer, 20, nameBytes, 0, nameLength);
        String decodedName = new String(nameBytes, StandardCharsets.UTF_16LE);
        assertEquals(fileName, decodedName);

        // Verify bytes written

    void setUpStreams() {
        originalOut = System.out;
        originalErr = System.err;
        outContent = new ByteArrayOutputStream();
        errContent = new ByteArrayOutputStream();
        System.setOut(new PrintStream(outContent));
        System.setErr(new PrintStream(errContent));
    }

    @AfterEach
    void restoreStreams() {
        System.setOut(originalOut);
        System.setErr(originalErr);
    }

    @Test

        assertNotNull(thumbnailManager.thumbnailTaskQueue);
    }

    // Test initialization with system property
    public void test_init_withSystemProperty() {
        File customDir = new File(tempDir, "custom");
        System.setProperty(Constants.FESS_THUMBNAIL_PATH, customDir.getAbsolutePath());
        try {
            ThumbnailManager manager = new ThumbnailManager() {

  @Override public void onMessage(WebSocket webSocket, String text) {
    System.out.println("MESSAGE: " + text);
  }

  @Override public void onMessage(WebSocket webSocket, ByteString bytes) {
    System.out.println("MESSAGE: " + bytes.hex());
  }

  @Override public void onClosing(WebSocket webSocket, int code, String reason) {
    webSocket.close(1000, null);
    System.out.println("CLOSE: " + code + " " + reason);
  }