// Test that the constant used is accessible and has expected value
        assertEquals("fess.search_engine.http_address", Constants.FESS_SEARCH_ENGINE_HTTP_ADDRESS);
    }

    @Test
    public void test_static_method_signature() {
        // Verify method signature is correct
        try {
            java.lang.reflect.Method method = SystemUtil.class.getMethod("getSearchEngineHttpAddress");

            // Check return type

            fail("Should be able to access protected constructor: " + e.getMessage());
        }
    }

    @Test
    public void test_static_method_signatures() {
        // Verify all public static methods exist with correct signatures
        try {
            // printThreadDump()