public void test_annotationPresence() {
        assertTrue("CustomSize should be an annotation", CustomSize.class.isAnnotation());
    }

    // Test annotation retention policy
    @Test
    public void test_retentionPolicy() {
        final Retention retention = CustomSize.class.getAnnotation(Retention.class);
        assertNotNull(retention, "Retention annotation should be present");

    public void test_annotationPresence() {
        assertTrue("UriType should be an annotation", UriType.class.isAnnotation());
    }

    // Test annotation retention policy
    @Test
    public void test_retentionPolicy() {
        final Retention retention = UriType.class.getAnnotation(Retention.class);
        assertNotNull(retention, "Retention annotation should be present");