func NonConvertibleFields(annotations map[string]string) map[string]string {
	nonConvertibleKeys := map[string]string{}
	for key, value := range annotations {
		if strings.HasPrefix(key, core.NonConvertibleAnnotationPrefix) {
			nonConvertibleKeys[key] = value
		}
	}
	return nonConvertibleKeys
}

// Semantic can do semantic deep equality checks for core objects.