CustomSizeValidator.class.getName());

        // Test that it implements ConstraintValidator
        assertTrue("Should implement ConstraintValidator",
                jakarta.validation.ConstraintValidator.class.isAssignableFrom(CustomSizeValidator.class));
    }

    @Test
    public void test_methodsExist() {

        assertTrue("FessWebResourceRoot should extend StandardRoot", StandardRoot.class.isAssignableFrom(FessWebResourceRoot.class));
        assertTrue("FessWebResourceRoot should implement WebResourceRoot",
                WebResourceRoot.class.isAssignableFrom(FessWebResourceRoot.class));
    }

    @Test
    public void test_classStructure() {

        assertTrue(TimeoutTarget.class.isAssignableFrom(SystemMonitorTarget.class), "SystemMonitorTarget should implement TimeoutTarget");
    }

    @Test
    public void test_constructor() {
        assertNotNull(target, "Constructor should create instance");

                "HotThreadMonitorTarget should extend MonitorTarget");
        assertTrue(TimeoutTarget.class.isAssignableFrom(HotThreadMonitorTarget.class),
                "HotThreadMonitorTarget should implement TimeoutTarget");
    }

    @Test
    public void test_constructor() {
        assertNotNull(target, "Constructor should create instance");

        }

        @Override
        public void service(jakarta.servlet.ServletRequest req, jakarta.servlet.ServletResponse res) {
            // Not used in tests
        }

        // Implement other required methods with default/empty implementations
        @Override
        public Object getAttribute(String name) {
            return null;
        }

        @Override

 *
 * Provides shared infrastructure (HTTP client, availability checking) and
 * default implementations of RAG workflow methods with injectable prompt templates.
 * Subclasses implement provider-specific chat/streamChat and checkAvailabilityNow.
 */
public abstract class AbstractLlmClient implements LlmClient {

    private static final Logger logger = LogManager.getLogger(AbstractLlmClient.class);

        }

        void testAddIntentHistory(final LlmChatRequest request, final List<LlmMessage> history) {
            addIntentHistory(request, history);
        }

        // Implement abstract methods

        @Override
        public LlmChatResponse chat(final LlmChatRequest request) {
            // Capture the full request and user message for verification