// Test default constructor
        AccessResultImpl<Long> result = new AccessResultImpl<>();
        assertNotNull(result);
        assertNull(result.getId());
        assertNull(result.getSessionId());
        assertNull(result.getRuleId());
        assertNull(result.getUrl());
        assertNull(result.getParentUrl());
        assertEquals(Constants.OK_STATUS, result.getStatus());

        }

        @Test
        @DisplayName("Should get and set session ID")
        void testSessionIdProperty() {
            assertEquals(0, testMessage.getSessionId());
            testMessage.setSessionId(789L);
            assertEquals(789L, testMessage.getSessionId());
        }

        @Test
        @DisplayName("Should propagate session ID to chained message")
        void testSessionIdPropagation() {

        crawler.setSessionId("");

        // Should not change session ID
        assertEquals(originalSessionId, crawler.getSessionId());
    }

    public void test_setSessionId_null() throws Exception {
        final String originalSessionId = crawler.getSessionId();

        crawler.setSessionId(null);

        // Should not change session ID

        CrawlingParameterUtil.setCrawlerContext(mainContext);

        // Verify main thread values
        assertEquals("main-thread", CrawlingParameterUtil.getUrlQueue().getSessionId());
        assertEquals("main-context", CrawlingParameterUtil.getCrawlerContext().getSessionId());

        // Test in a different thread
        final CountDownLatch latch = new CountDownLatch(1);

        assertNull(crawlerContext.getSessionId());

        crawlerContext.setSessionId("test-session-001");
        assertEquals("test-session-001", crawlerContext.getSessionId());

        crawlerContext.setSessionId(null);
        assertNull(crawlerContext.getSessionId());

        crawlerContext.setSessionId("");
        assertEquals("", crawlerContext.getSessionId());

        // Test with special characters

                    uq.setSessionId(crawlerContext.getSessionId());
                    uq.setUrl(d.getUrl());
                    uq.setWeight(d.getWeight());
                    return uq;
                })
                .collect(Collectors.toList());

        if (!childList.isEmpty()) {
            CrawlingParameterUtil.getUrlQueueService().offerAll(crawlerContext.getSessionId(), childList);
        }
    }

    /**

                if (sessionId.equals(urlQueue.getSessionId()) && url.equals(urlQueue.getUrl())) {
                    return true;
                }
            }
            for (final UrlQueue<String> urlQueue : waitingQueue) {
                if (sessionId.equals(urlQueue.getSessionId()) && url.equals(urlQueue.getUrl())) {
                    return true;
                }

    void testSessionId() {
        // When
        transformHeader.setSessionId(testSessionId);

        // Then
        assertEquals(testSessionId, transformHeader.getSessionId());
    }

    @Test
    @DisplayName("Should encode transform header to byte buffer")
    void testEncodeToBuffer() {
        // Given

            final String url = urlQueue.getUrl();
            ResponseData responseData = null;
            try {
                final CrawlingConfig crawlingConfig = crawlingConfigHelper.get(crawlerContext.getSessionId());
                final Map<String, Object> dataMap = new HashMap<>();
                dataMap.put(fessConfig.getIndexFieldUrl(), url);
                final List<String> roleTypeList = new ArrayList<>();

        // Test session ID getter/setter
        ResponseData data = new ResponseData();

        String sessionId = "session456";
        data.setSessionId(sessionId);
        assertEquals(sessionId, data.getSessionId());
    }

    public void test_executionTimeGetterSetter() {
        // Test execution time getter/setter
        ResponseData data = new ResponseData();

        data.setExecutionTime(1500L);