if err != nil && !errors.Is(err, errNoSuchUser) {
				return fmt.Errorf("unable to load the user `%s`: %w", userName, err)
			}
			userIdentities[index] = user
			return nil
		}, index)
	}

	err := errors.Join(g.Wait()...)
	return userIdentities, err
}

func (iamOS *IAMObjectStore) loadUser(ctx context.Context, user string, userType IAMUserType, m map[string]UserIdentity) error {