BeanUtil.copyBeanToBean(relatedContentList, relatedContentPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        relatedContentPager.setPageNumberList(
                relatedContentList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return relatedContentList;
    }

    public OptionalEntity<RelatedContent> getRelatedContent(final String id) {

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

        return fileAuthenticationList;
    }

        // update pager
        BeanUtil.copyBeanToBean(accessTokenList, accessTokenPager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        accessTokenPager.setPageNumberList(
                accessTokenList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return accessTokenList;
    }

    public OptionalEntity<AccessToken> getAccessToken(final String id) {

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

        return duplicateHostList;
    }

        BeanUtil.copyBeanToBean(boostDocumentRuleList, boostDocumentRulePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        boostDocumentRulePager.setPageNumberList(
                boostDocumentRuleList.pageRange(op -> op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger())).createPageNumberList());

        return boostDocumentRuleList;
    }

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

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

        return webAuthenticationList;
    }

        });

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

        return groupList;
    }

    public OptionalEntity<Group> getGroup(final String id) {

        });

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

        return roleList;
    }

    public OptionalEntity<Role> getRole(final String id) {

        });

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

        return labelTypeList;
    }

    public void delete(final LabelType labelType) {

        });

        // 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;
    }