for (Field field : fields) {
            if (Modifier.isStatic(field.getModifiers()) && Modifier.isFinal(field.getModifiers()) && Modifier.isPublic(field.getModifiers())
                    && field.getType() == String.class && !field.getName().equals("serialVersionUID")) {

                // Check field name follows convention

        response.byteCount = 15; // 8 bytes key + 6 bytes "DOMAIN" + 1 null terminator

        // Prepare byte array
        byte[] encryptionKey = "12345678".getBytes();
        byte[] domainNameBytes = "DOMAIN".getBytes(ServerMessageBlock.OEM_ENCODING);
        ByteBuffer buffer = ByteBuffer.allocate(response.byteCount);
        buffer.put(encryptionKey);
        buffer.put(domainNameBytes);

        assertEquals(int.class, ServerData.class.getDeclaredField("sflags2").getType());
        assertEquals(int.class, ServerData.class.getDeclaredField("smaxMpxCount").getType());
        assertEquals(int.class, ServerData.class.getDeclaredField("maxBufferSize").getType());
        assertEquals(int.class, ServerData.class.getDeclaredField("sessKey").getType());

    @DisplayName("Should calculate HMAC-T64 correctly")
    void testHMACT64() {
        // Given
        byte[] key = "secret".getBytes();
        byte[] data = "Hello World".getBytes();

        // When
        MessageDigest hmac = Crypto.getHMACT64(key);
        byte[] result = hmac.digest(data);

        // Then
        assertNotNull(result);
        assertTrue(result.length > 0, "HMAC-T64 should produce non-empty result");

    assertTrue(sink.wasStreamClosed());
    assertArrayEquals(new byte[] {1, 2, 3, 4}, sink.getBytes());
  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {

    assertTrue(sink.wasStreamClosed());
    assertArrayEquals(new byte[] {1, 2, 3, 4}, sink.getBytes());
  }

  public void testWrite_bytes() throws IOException {
    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {

        assertEquals(resultFile, file);
        FileUtil.writeBytes(file.getAbsolutePath(), "abc".getBytes());

        path = "foo1/hoge.html";
        file = fileTransformer.createFile(path);
        resultFile = new File(fileTransformer.baseDir, path);
        assertEquals(resultFile, file);
        FileUtil.writeBytes(file.getAbsolutePath(), "abc".getBytes());

        path = "foo1/foo2/hoge.html";

        int type = AvPair.MsvAvTimestamp;
        byte[] raw = new byte[] { 0x01, 0x02, 0x03, 0x04 };
        AvPair avPair = new AvPair(type, raw);

        assertEquals(type, avPair.getType(), "Type should match the constructor argument.");
        assertArrayEquals(raw, avPair.getRaw(), "Raw data should match the constructor argument.");

        // Test with another type and empty raw data

                if (info.getType() == HandleType.PERSISTENT && !info.isReconnecting()) {
                    persistHandle(info);
                }
            }
        } finally {
            lock.writeLock().unlock();
        }
    }

    private void persistHandle(HandleInfo info) {
        if (info.getType() != HandleType.PERSISTENT) {
            return;
        }

        indexFile.deleteOnExit();
        FileUtil.writeBytes(indexFile.getAbsolutePath(), content.getBytes("UTF-8"));

        for (int i = 1; i <= 10; i++) {
            final File file = new File(dir, "file" + count + "-" + i + ".html");
            file.deleteOnExit();
            FileUtil.writeBytes(file.getAbsolutePath(), content.getBytes("UTF-8"));
            final File childDir = new File(dir, "dir" + count + "-" + i);