crawler.dataIndexHelper = dataIndexHelper;

        pathMappingService = new PathMappingService() {
            @Override
            public List<org.codelibs.fess.opensearch.config.exentity.PathMapping> getPathMappingList(java.util.Collection<String> ptList) {
                return new ArrayList<>();
            }
        };
        crawler.pathMappingService = pathMappingService;

        assertNull(pathMappingHelper.getPathMappingList(sessionId));
        assertNull(pathMappingHelper.getPathMappingList(sessionId + "1"));
        pathMappingHelper.setPathMappingList(sessionId, pathMappingList);
        assertNotNull(pathMappingHelper.getPathMappingList(sessionId));
        assertNull(pathMappingHelper.getPathMappingList(sessionId + "1"));
        pathMappingHelper.removePathMappingList(sessionId);

     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "pathMappingItems", pathMappingService.getPathMappingList(pathMapPager)); // page navi

        // restore from pager
        copyBeanToBean(pathMapPager, form, op -> op.include("regex", "replacement"));
    }

            ptList.add(Constants.PROCESS_TYPE_CRAWLING);
            ptList.add(Constants.PROCESS_TYPE_BOTH);
            pathMappingHelper.setPathMappingList(options.sessionId, pathMappingService.getPathMappingList(ptList));

            // duplicate host
            try {
                final DuplicateHostHelper duplicateHostHelper = ComponentUtil.getDuplicateHostHelper();
                duplicateHostHelper.init();