}

  private static void disallowPrimitiveType(Type[] types, String usedAs) {
    for (Type type : types) {
      if (type instanceof Class) {
        Class<?> cls = (Class<?>) type;
        checkArgument(!cls.isPrimitive(), "Primitive type '%s' used as %s", cls, usedAs);
      }
    }
  }

  /** Returns the {@code Class} object of arrays with {@code componentType}. */

		g.Go(func() error {
			userName := strings.TrimSuffix(users[index], ".json")
			userMP, err := iamOS.loadMappedPolicyInternal(ctx, userName, userType, isGroup)
			if err != nil && !errors.Is(err, errNoSuchPolicy) {
				return fmt.Errorf("unable to load the user policy map `%s`: %w", userName, err)
			}
			mappedPolicies[index] = userMP
			return nil
		}, index)
	}

	err := errors.Join(g.Wait()...)