// anchor
        // content_length
        // last_modified
        // id
        // virtual_host
        defaultDataMap.put(fessConfig.getIndexFieldVirtualHost(),
                stream(config.getVirtualHosts()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.toList())));

        storeData(config, callback, paramMap.newInstance(), configScriptMap, defaultDataMap);

    }

                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        body.virtualHosts = stream(entity.getVirtualHosts())
                .get(stream -> stream.filter(StringUtil::isNotBlank).distinct().map(String::trim).collect(Collectors.joining("\n")));
        return body;
    }

    }

    public void setUserAgent(String value) {
        registerModifiedProperty("userAgent");
        this.userAgent = value;
    }

    public String[] getVirtualHosts() {
        checkSpecifiedProperty("virtualHosts");
        return virtualHosts;
    }

    public void setVirtualHosts(String[] value) {
        registerModifiedProperty("virtualHosts");

        setupEpg(_epgMap, et -> ((DataConfig) et).getUpdatedTime(), (et, vl) -> ((DataConfig) et).setUpdatedTime(DfTypeUtil.toLong(vl)),
                "updatedTime");
        setupEpg(_epgMap, et -> ((DataConfig) et).getVirtualHosts(), (et, vl) -> ((DataConfig) et).setVirtualHosts((String[]) vl),
                "virtualHosts");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

        return updatedTime;
    }

    public void setUpdatedTime(Long value) {
        registerModifiedProperty("updatedTime");
        this.updatedTime = value;
    }

    public String[] getVirtualHosts() {
        checkSpecifiedProperty("virtualHosts");
        return virtualHosts;
    }

    public void setVirtualHosts(String[] value) {
        registerModifiedProperty("virtualHosts");

            private static final long serialVersionUID = 1L;

            @SuppressWarnings("unchecked")
            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {
                return virtualHostList.toArray(n -> new Tuple3[n]);
            }
        });

        List<Path> fileList = systemHelper.refreshDesignJspFiles();
        assertEquals(0, fileList.size());

        setupEpg(_epgMap, et -> ((FileConfig) et).getUpdatedTime(), (et, vl) -> ((FileConfig) et).setUpdatedTime(DfTypeUtil.toLong(vl)),
                "updatedTime");
        setupEpg(_epgMap, et -> ((FileConfig) et).getVirtualHosts(), (et, vl) -> ((FileConfig) et).setVirtualHosts((String[]) vl),
                "virtualHosts");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

        setupEpg(_epgMap, et -> ((WebConfig) et).getUserAgent(), (et, vl) -> ((WebConfig) et).setUserAgent(DfTypeUtil.toString(vl)),
                "userAgent");
        setupEpg(_epgMap, et -> ((WebConfig) et).getVirtualHosts(), (et, vl) -> ((WebConfig) et).setVirtualHosts((String[]) vl),
                "virtualHosts");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

        putResultDataBody(dataMap, fessConfig.getIndexFieldRole(), roleTypeList);
        // virtualHosts
        putResultDataBody(dataMap, fessConfig.getIndexFieldVirtualHost(),
                stream(crawlingConfig.getVirtualHosts()).get(stream -> stream.filter(StringUtil::isNotBlank).collect(Collectors.toList())));
        // TODO date
        // lang
        if (StringUtil.isNotBlank(fessConfig.getCrawlerDocumentFileDefaultLang())) {