assertEquals("instance2", transformer2.getName());
        assertEquals("instance3", transformer3.getName());

        // Change one instance's name
        transformer2.setName("changed2");

        // Others should remain unchanged
        assertEquals("instance1", transformer1.getName());
        assertEquals("changed2", transformer2.getName());

        // Test that constructor creates a non-null instance
        assertNotNull(crawlerEngineClient);
    }

    // Test inheritance
    public void test_inheritance() {
        // Test that CrawlerEngineClient is properly inherited
        assertTrue(crawlerEngineClient instanceof org.codelibs.fess.crawler.client.FesenClient);
    }

    // Test multiple instances
    public void test_multipleInstances() {

    public void test_constructor() {
        assertNotNull("Constructor should create instance", target);
        assertTrue("Instance should be of correct type", target instanceof HotThreadMonitorTarget);
        assertTrue("Instance should be a MonitorTarget", target instanceof MonitorTarget);
        assertTrue("Instance should be a TimeoutTarget", target instanceof TimeoutTarget);
    }

    public void test_expired_method_exists() throws Exception {

        // Test that FessUserNotFoundException is an instance of FessSystemException
        FessUserNotFoundException exception = new FessUserNotFoundException("testuser");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_constructor() {
        assertNotNull("Constructor should create instance", target);
        assertTrue("Instance should be of correct type", target instanceof SystemMonitorTarget);
        assertTrue("Instance should be a MonitorTarget", target instanceof MonitorTarget);
        assertTrue("Instance should be a TimeoutTarget", target instanceof TimeoutTarget);
    }

    public void test_expired_method_exists() throws Exception {

    public void test_multipleInstances() {
        // Test creating multiple instances
        ResultOffsetExceededException exception1 = new ResultOffsetExceededException("First instance");
        ResultOffsetExceededException exception2 = new ResultOffsetExceededException("Second instance");
        ResultOffsetExceededException exception3 = new ResultOffsetExceededException("Third instance");

        assertNotSame(exception1, exception2);

        LdapConfigurationException exception = new LdapConfigurationException("test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_stackTrace() {
        // Test that stack trace is generated properly

    }

    public void test_instanceOf() {
        // Test that exception is instance of RuntimeException
        DictionaryExpiredException exception = new DictionaryExpiredException();
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    public void test_throwAndCatch() {

    checkNotNull(type);
    if (type instanceof TypeVariable) {
      return typeTable.resolve((TypeVariable<?>) type);
    } else if (type instanceof ParameterizedType) {
      return resolveParameterizedType((ParameterizedType) type);
    } else if (type instanceof GenericArrayType) {
      return resolveGenericArrayType((GenericArrayType) type);
    } else if (type instanceof WildcardType) {

    checkNotNull(type);
    if (type instanceof TypeVariable) {
      return typeTable.resolve((TypeVariable<?>) type);
    } else if (type instanceof ParameterizedType) {
      return resolveParameterizedType((ParameterizedType) type);
    } else if (type instanceof GenericArrayType) {
      return resolveGenericArrayType((GenericArrayType) type);
    } else if (type instanceof WildcardType) {