if !ok {
		// There has been no store yet. This should never happen!
		iamLogIf(GlobalContext, errors.New("WARNING: no cached IAM listing found"))
		return nil
	}

	// Scan STS users on disk and purge expired ones. We do not need to hold a
	// lock with store.lock() here.
	stsAccountsFromStore := map[string]UserIdentity{}
	stsAccPoliciesFromStore := xsync.NewMapOf[string, MappedPolicy]()
	for _, item := range iamListing[stsListKey] {