func (v *myProtoValue) keyAsString(key string) string {
	s := v.keyAsStruct(key)
	return s.GetStringValue()
}

func getIstioRBACPolicies(cd *configdump.Wrapper, port int32) ([]string, error) {
	hcm, err := getInboundHTTPConnectionManager(cd, port)
	if err != nil || hcm == nil {
		return []string{}, err
	}

	// Identify RBAC policies. Currently there are no "breadcrumbs" so we only return the policy names.