)

func (iamOS *IAMObjectStore) loadPolicyDocConcurrent(ctx context.Context, policies ...string) ([]PolicyDoc, error) {
	policyDocs := make([]PolicyDoc, len(policies))
	g := errgroup.WithNErrs(len(policies))

	for index := range policies {
		index := index
		g.Go(func() error {
			policyName := path.Dir(policies[index])
			policyDoc, err := iamOS.loadPolicy(ctx, policyName)
			if err != nil && !errors.Is(err, errNoSuchPolicy) {

}

func (ies *IAMEtcdStore) loadPolicyDocWithRetry(ctx context.Context, policy string, m map[string]PolicyDoc, _ int) error {
	return ies.loadPolicyDoc(ctx, policy, m)
}

func (ies *IAMEtcdStore) loadPolicyDoc(ctx context.Context, policy string, m map[string]PolicyDoc) error {
	data, err := ies.loadIAMConfigBytes(ctx, getPolicyDocPath(policy))
	if err != nil {
		if err == errConfigNotFound {