});

        // 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;
    }

    /**
     * Gets a role by its ID.

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

        return relatedContentList;
    }

    /**
     * Retrieves a specific related content entity by its ID.
     *

        });

        // 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;
    }

    /**

        });

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

        return failureUrlList;
    }

    /**

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

        return boostDocumentRuleList;
    }

    /**
     * Gets a boost document rule by its ID.

        });

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

        return pathMappingList;
    }

    /**
     * Gets a path mapping by 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(roleTypeList, roleTypePager, option -> option.include(Constants.PAGER_CONVERSION_RULE));
        roleTypePager.setPageNumberList(roleTypeList.pageRange(op -> {
            op.rangeSize(fessConfig.getPagingPageRangeSizeAsInteger());
        }).createPageNumberList());

        return roleTypeList;
    }

    /**
     * Gets a role type by its ID.

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

        return requestHeaderList;
    }

    /**

  if [[ -z "${im_cmd}" ]] ; then
    echo "ImageMagick (convert or magick) does not exist."
    exit 1
  fi
  check_command pdftoppm
  check_command unoconv
  tmp_pdf_file=/tmp/thumbnail.$$.pdf
  unoconv -e PageRange=1-1 -o ${tmp_pdf_file} -f pdf "${target_file}"
  if [[ ! -f ${tmp_pdf_file} ]] ; then
    echo "unoconv does not work."
    exit 1
  fi
  tmp_png_prefix=/tmp/thumbnail.png.$$