permissionSet.add(systemHelper.getSearchRoleByUser(homeAccountId));
                permissionSet.add(systemHelper.getSearchRoleByUser(username));
                if (ComponentUtil.getFessConfig().isAzureAdUseDomainServices() && username.indexOf('@') >= 0) {
                    final String[] values = username.split("@");
                    if (values.length > 1) {

                    }
                    final String[] names = fessConfig.getAzureAdPermissionFields();
                    final boolean useDomainServices = fessConfig.isAzureAdUseDomainServices();
                    for (final String name : names) {
                        final String value = (String) memberOf.get(name);
                        if (StringUtil.isNotBlank(value)) {

                .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).toArray(n -> new String[n]));
    }

    default boolean isAzureAdUseDomainServices() {
        return Constants.TRUE.equalsIgnoreCase(getSystemProperty("aad.use.ds", "true"));
    }

    default String getSsoType() {