assertEquals(CrawlerStatus.class, CrawlerStatus.RUNNING.getDeclaringClass());
        assertEquals(CrawlerStatus.class, CrawlerStatus.DONE.getDeclaringClass());
    }

    /**
     * Test serialization and deserialization
     */
    public void test_serialization() throws Exception {
        // Test each enum value
        CrawlerStatus[] statuses = CrawlerStatus.values();

        assertEquals("Level 2", level2.getMessage());
        assertEquals("Level 3 - Root cause", level3.getMessage());
    }

    /**
     * Test serialization
     */
    public void test_serialization() throws Exception {
        String message = "Serialization test";
        Exception cause = new IOException("IO cause");
        CrawlerSystemException original = new CrawlerSystemException(message, cause);

        assertFalse(conditionalRule.match(responseData3));

        // Test null ResponseData
        assertFalse(conditionalRule.match(null));
    }

    /**
     * Test serialization of AbstractRule
     */
    public void test_serialization() throws Exception {
        TestResponseProcessor processor = new TestResponseProcessor();
        testRule.setRuleId("serializeRule");

        responseData4.setMimeType("text/html");
        responseData4.setHttpStatusCode(404);
        assertFalse(rule.match(responseData4));
    }

    /**
     * Test Rule serialization
     */
    public void test_serialization() throws Exception {
        TestResponseProcessor processor = new TestResponseProcessor("serializeProcessor");

        ResultData resultData = transformer.transform(responseData);

        assertNotNull(resultData);
        assertNull(resultData.getTransformerName());
    }

    /**
     * Test serialization of AccessResultData
     */
    public void test_accessResultDataSerialization() throws Exception {
        TestAccessResultData<String> original = new TestAccessResultData<>("test data".getBytes());