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.$$.pdf
  unoconv -e PageRange=1-1 -o ${tmp_pdf_file} -f pdf "${target_file}"
  if [[ ! -f ${tmp_pdf_file} ]] ; then
    echo "unoconv does not work."
    exit 1
  fi
  tmp_png_prefix=/tmp/thumbnail.png.$$

        });

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

        return scheduledJobList;
    }

    /**

        });

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

        return elevateWordList;
    }

    /**

        });

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

        return badWordList;
    }

    /**
     * Gets a bad word by its ID.
     * @param id The bad word ID.

        });

        // 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;
    }

    /**
     * Retrieves a user by their unique identifier.