* @param form the search form
     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "duplicateHostItems", duplicateHostService.getDuplicateHostList(duplicateHostPager)); // page navi

        // restore from pager
        copyBeanToBean(duplicateHostPager, form, op -> op.include("regularName", "duplicateHostName"));
    }