func RegisterValidateFunc(name string, f ValidateFunc) ValidateFunc {
	// Wrap the original validate function with an extra validate function for object metadata
	validate := validateMetadata(f)
	validateFuncs[name] = validate
	return validate
}

func validateMetadata(f ValidateFunc) ValidateFunc {
	return func(config config.Config) (Warning, error) {
		// Check the annotation "istio.io/dry-run".