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()));
  }

      public <S extends Set<E>> S copyInto(S set) {
        set.addAll(set1);
        set.addAll(set2);
        return set;
      }

      @Override
      @SuppressWarnings({"nullness", "unchecked"}) // see supertype
      public ImmutableSet<@NonNull E> immutableCopy() {
        ImmutableSet.Builder<@NonNull E> builder =
            new ImmutableSet.Builder<@NonNull E>()
                .addAll((Iterable<@NonNull E>) set1)

}

func (c *typeConv) badCFType(dt *dwarf.TypedefType) bool {
	// The real bad types are CFNumberRef and CFDateRef.
	// Sometimes non-pointers are stored in these types.
	// CFTypeRef is a supertype of those, so it can have bad pointers in it as well.
	// We return true for the other *Ref types just so casting between them is easier.
	// We identify the correct set of types as those ending in Ref and for which

		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)

		}
	}

	userType := stsUser
	updatedAt, addedOrRemoved, effectivePolicies, err = sys.store.PolicyDBUpdate(
		ctx, dn, isGroup, userType, r.Policies, isAttach)
	if err != nil {
		return
	}

	// Notify all other MinIO peers to reload policy
	if !sys.HasWatcher() {
		for _, nerr := range globalNotificationSys.LoadPolicyMapping(ctx, dn, userType, isGroup) {
			if nerr.Err != nil {

	}

	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
}

// LoadGroupHandler - reloads group along with members list.

	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,