boostDocumentRulePager.setPageNumberList(
                boostDocumentRuleList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return boostDocumentRuleList;
    }

    public OptionalEntity<BoostDocumentRule> getBoostDocumentRule(final String id) {

        BeanUtil.copyBeanToBean(requestHeaderList, requestHeaderPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        requestHeaderPager.setPageNumberList(requestHeaderList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return requestHeaderList;
    }

    public OptionalEntity<RequestHeader> getRequestHeader(final String id) {

        webAuthenticationPager.setPageNumberList(webAuthenticationList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return webAuthenticationList;
    }

    public OptionalEntity<WebAuthentication> getWebAuthentication(final String id) {

        BeanUtil.copyBeanToBean(pathMappingList, pathMappingPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        pathMappingPager.setPageNumberList(pathMappingList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return pathMappingList;
    }

    public OptionalEntity<PathMapping> getPathMapping(final String id) {

        BeanUtil.copyBeanToBean(fileConfigList, fileConfigPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        fileConfigPager.setPageNumberList(fileConfigList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return fileConfigList;
    }

    public void delete(final FileConfig fileConfig) {

        // update pager
        BeanUtil.copyBeanToBean(keyMatchList, keyMatchPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        keyMatchPager.setPageNumberList(keyMatchList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return keyMatchList;
    }

    public OptionalEntity<KeyMatch> getKeyMatch(final String id) {

        BeanUtil.copyBeanToBean(dataConfigList, dataConfigPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        dataConfigPager.setPageNumberList(dataConfigList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return dataConfigList;
    }

    public void delete(final DataConfig dataConfig) {

        // update pager
        BeanUtil.copyBeanToBean(jobLogList, jobLogPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        jobLogPager.setPageNumberList(jobLogList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return jobLogList;
    }

    public OptionalEntity<JobLog> getJobLog(final String id) {

        BeanUtil.copyBeanToBean(scheduledJobList, scheduledJobPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        scheduledJobPager.setPageNumberList(scheduledJobList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return scheduledJobList;
    }

    public List<ScheduledJob> getScheduledJobListAfter(final long updateTime) {

        // update pager
        BeanUtil.copyBeanToBean(userList, userPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        userPager.setPageNumberList(userList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return userList;
    }

    public OptionalEntity<User> getUser(final String id) {