* @return a list of request headers associated with the specified web configuration
     */
    public List<RequestHeader> getRequestHeaderList(final String webConfigId) {
        return requestHeaderBhv.selectList(cb -> {
            cb.query().setWebConfigId_Equal(webConfigId);
            cb.fetchFirst(fessConfig.getPageRequestHeaderMaxFetchSizeAsInteger());
        });
    }

     * @param size the maximum number of items to return
     * @return a PagingList containing the requested subset of mapping items
     */
    @Override
    public synchronized PagingList<CharMappingItem> selectList(final int offset, final int size) {
        if (mappingItemList == null) {
            reload(null);
        }

        if (offset >= mappingItemList.size() || offset < 0) {

        return User.class;
    }

    @Override
    protected Class<UserCB> typeOfHandlingConditionBean() {
        return UserCB.class;
    }

    public ListResultBean<User> selectList(CBCall<UserCB> cbLambda) {
        return facadeSelectList(createCB(cbLambda));
    }

    public PagingResultBean<User> selectPage(CBCall<UserCB> cbLambda) {
        // #pending same?

        return getStemmerOverrideFile(dictId).map(file -> {
            final int pageSize = stemmerOvberridePager.getPageSize();
            final PagingList<StemmerOverrideItem> stemmerOvberrideList =
                    file.selectList((stemmerOvberridePager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager

     * @return Optional containing the web configuration if found
     */
    public OptionalEntity<WebConfig> getWebConfigByName(final String name) {
        final ListResultBean<WebConfig> list = webConfigBhv.selectList(cb -> {
            cb.query().setName_Equal(name);
            cb.query().addOrderBy_SortOrder_Asc();
        });
        if (list.isEmpty()) {
            return OptionalEntity.empty();
        }

        // search

    }

    /**
     * Gets a list of all role types.
     * @return A list of all role types.
     */
    public List<RoleType> getRoleTypeList() {
        return roleTypeBhv.selectList(cb -> {
            cb.query().addOrderBy_SortOrder_Asc();
            cb.query().addOrderBy_Name_Asc();
            cb.paging(fessConfig.getPageRoletypeMaxFetchSizeAsInteger(), 1);
        });
    }

        return getCharMappingFile(dictId).map(file -> {
            final int pageSize = charMappingPager.getPageSize();
            final PagingList<CharMappingItem> charMappingList =
                    file.selectList((charMappingPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager
            BeanUtil.copyBeanToBean(charMappingList, charMappingPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));

     */
    public void updateStatus() {
        final long expiry = ComponentUtil.getSystemHelper().getCurrentTimeAsLong() - expiredJobInterval;
        final List<JobLog> list = jobLogBhv.selectList(cb -> {
            cb.query().bool((must, should, mustNot, filter) -> {
                must.setLastUpdated_LessEqual(expiry);
                mustNot.setEndTime_Exists();
            });
        });

    }

    /**
     * Get a list of all label types.
     *
     * @return A list of all label types.
     */
    public List<LabelType> getLabelTypeList() {
        return labelTypeBhv.selectList(cb -> {
            cb.query().addOrderBy_SortOrder_Asc();
            cb.query().addOrderBy_Name_Asc();
            cb.paging(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger(), 1);
        });
    }

        return getStopwordsFile(dictId).map(file -> {
            final int pageSize = stopwordsPager.getPageSize();
            final PagingList<StopwordsItem> stopwordsList =
                    file.selectList((stopwordsPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager
            BeanUtil.copyBeanToBean(stopwordsList, stopwordsPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));