*
   * @since 19.0
   */
  public final boolean isSubtypeOf(Type supertype) {
    checkNotNull(supertype);
    if (supertype instanceof WildcardType) {
      // if 'supertype' is <? super Foo>, 'this' can be:
      // Foo, SubFoo, <? extends Foo>.
      // if 'supertype' is <? extends Foo>, nothing is a subtype.
      return any(((WildcardType) supertype).getLowerBounds()).isSupertypeOf(runtimeType);
    }

    TypeToken<TwoTypeArgs<?, ?>> supertype = new TypeToken<TwoTypeArgs<?, ?>>() {};
    TypeToken<StringForFirstTypeArg<String>> subtype =
        new TypeToken<StringForFirstTypeArg<String>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));
    assertEquals(
        new TypeToken<StringForFirstTypeArg<?>>() {}, supertype.getSubtype(subtype.getRawType()));
  }

    TypeToken<TwoTypeArgs<?, ?>> supertype = new TypeToken<TwoTypeArgs<?, ?>>() {};
    TypeToken<StringForFirstTypeArg<String>> subtype =
        new TypeToken<StringForFirstTypeArg<String>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));
    assertEquals(
        new TypeToken<StringForFirstTypeArg<?>>() {}, supertype.getSubtype(subtype.getRawType()));
  }

		userType := regUser
		cred := ui.Credentials

		if cred.IsServiceAccount() {
			userType = svcUser
		} else if cred.IsTemp() {
			userType = stsUser
		}

		if usersToDelete.Contains(user) || usersToDelete.Contains(cred.ParentUser) {
			// Delete this user account and its policy mapping
			store.deleteMappedPolicy(ctx, user, userType, false)

// from storage into server memory.
func (sys *IAMSys) LoadPolicyMapping(ctx context.Context, objAPI ObjectLayer, userOrGroup string, userType IAMUserType, isGroup bool) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.PolicyMappingNotificationHandler(ctx, userOrGroup, isGroup, userType)
}

// LoadUser - reloads a specific user from backend disks or etcd.

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	replLogIf(ctx, globalSiteReplicationSys.IAMChangeHook(ctx, madmin.SRIAMItem{
		Type: madmin.SRIAMItemPolicyMapping,
		PolicyMapping: &madmin.SRPolicyMapping{
			UserOrGroup: entityName,
			UserType:    int(userType),
			IsGroup:     isGroup,

	}

	temp, err := strconv.ParseBool(mss.Get(peerRESTUserTemp))
	if err != nil {
		return np, grid.NewRemoteErr(err)
	}

	userType := regUser
	if temp {
		userType = stsUser
	}

	if err = globalIAMSys.LoadUser(context.Background(), objAPI, accessKey, userType); err != nil {
		return np, grid.NewRemoteErr(err)
	}

	return np, nerr
}