assertEquals("Annotation type should be CustomSize", CustomSize.class, annotation.annotationType());
    }

    // Test all annotation methods exist
    @Test
    public void test_annotationMethods() {
        try {
            final Method messageMethod = CustomSize.class.getMethod("message");
            assertNotNull(messageMethod, "message() method should exist");

        assertEquals("Annotation type should be UriType", UriType.class, annotation.annotationType());
    }

    // Test all annotation methods exist
    @Test
    public void test_annotationMethods() {
        try {
            final Method protocolTypeMethod = UriType.class.getMethod("protocolType");
            assertNotNull(protocolTypeMethod, "protocolType() method should exist");