if _, ok := annotationRegistry[name]; !ok {
		return false, "", fmt.Errorf("no registered annotation with name=%s", name)
	}
	// use annotation value if present
	if val, found := annotations[annotationRegistry[name].key]; found {
		if err := annotationRegistry[name].validator(val); err != nil {
			return true, annotationRegistry[name].defaultVal, err
		}
		return true, val, nil
	}