assertNotNull(target2, "Second instance should not be null");
        assertNotSame(target1, target2, "Instances should be different objects");
    }

    @Test
    public void test_class_has_proper_annotations() {
        // Verify the class doesn't have any inappropriate annotations

        assertNotNull(target2, "Second instance should not be null");
        assertNotSame(target1, target2, "Instances should be different objects");
    }

    @Test
    public void test_class_has_proper_annotations() {
        // Verify the class doesn't have any inappropriate annotations

        assertNotNull(annotation, "Annotation should be present on field");
        assertEquals("protocolType should be WEB", ProtocolType.WEB, annotation.protocolType());
        assertEquals("message should be default", "{org.lastaflute.validator.constraints.UriType.message}", annotation.message());
        assertEquals("groups should be empty", 0, annotation.groups().length);
        assertEquals("payload should be empty", 0, annotation.payload().length);
    }

        assertNotNull(annotation, "Annotation should be present on field");
        assertEquals("Default message should match", "{jakarta.validation.constraints.Size.message}", getDefaultMessage());
        assertEquals("Default groups should be empty", 0, getDefaultGroups().length);
        assertEquals("Default payload should be empty", 0, getDefaultPayload().length);
        assertEquals("Default minKey should be empty", StringUtil.EMPTY, getDefaultMinKey());

        assertNotNull(ComponentUtil.getComponent("crawlingConfigHelper"), "CrawlingConfigHelper should be registered");
        assertNotNull(ComponentUtil.getSystemHelper(), "SystemHelper should be registered");
        assertNotNull(ComponentUtil.getFessConfig(), "FessConfig should be set");
        assertTrue("Component integration test should be fast", true);
    }

    @Test
    public void test_basic_functionality() {

        assertTrue(result);
        // Only fess_config indices should be rebuilt (2 config indices: scheduled_job, access_token)
        // Each creates 2 indices (backup + rebuild) = 4 creates
        assertEquals("Only fess_config indices should be rebuilt", 4, testClient.createdIndices.size());
        // Verify no user/log indices were touched

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

# ---------------
constraints.AssertFalse.message = {item} must be false.
constraints.AssertTrue.message = {item} must be true.
constraints.DecimalMax.message = {item} must be less than {value}.
constraints.DecimalMin.message = {item} must be greater than {value}.
constraints.Digits.message = {item} must be a number. (expected: <number>.<number>)
constraints.Future.message = {item} must be a future value.

        assertNotNull(mappingOption, "Mapping option should not be null");
        OptionalThing<JsonFieldNaming> fieldNamingOpt = mappingOption.getFieldNaming();
        assertTrue("Field naming should be present", fieldNamingOpt.isPresent());
        assertEquals("Field naming should be CAMEL_TO_LOWER_SNAKE", JsonFieldNaming.CAMEL_TO_LOWER_SNAKE, fieldNamingOpt.get());
    }

    @Test
    public void test_instanceCreation() {

        assertNotNull(responseHeaders.get("Access-Control-Allow-Methods"), "Allow-Methods header should be set");
        assertNotNull(responseHeaders.get("Access-Control-Allow-Headers"), "Allow-Headers header should be set");
        assertNotNull(responseHeaders.get("Access-Control-Max-Age"), "Max-Age header should be set");