func (p *podNetnsCache) Take(uid string) Netns {
	// lock current pod map
	p.mu.Lock()
	defer p.mu.Unlock()
	if ns, ok := p.currentPodCache[uid]; ok {
		delete(p.currentPodCache, uid)
		// already in cache
		return ns.Netns
	}

	return nil
}

func openNetnsInRoot(hostMountsPath string) func(nspath string) (NetnsCloser, error) {
	return func(nspath string) (NetnsCloser, error) {

    @Resource
    private CrawlerContainer crawlerContainer;

    @Override
    protected String prepareConfigFile() {
        return "crawler.xml";
    }

    public void test_execute_web() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        final String url = "http://localhost:7070/";
        try {
            final int maxCount = 50;

    }

    public static class Field {
        protected Map<String, Long> valueCountMap = new LinkedHashMap<>();

        protected String name;

        public Field(final Terms termFacet) {
            final String encodedField = termFacet.getName().substring(Constants.FACET_FIELD_PREFIX.length());
            name = new String(BaseEncoding.base64().decode(encodedField), StandardCharsets.UTF_8);

}

func storageTrace(s storageMetric, startTime time.Time, duration time.Duration, path string, size int64, err string, custom map[string]string) madmin.TraceInfo {
	return madmin.TraceInfo{
		TraceType: madmin.TraceStorage,
		Time:      startTime,
		NodeName:  globalLocalNodeName,
		FuncName:  "storage." + s.String(),
		Duration:  duration,
		Bytes:     size,
		Path:      path,
		Error:     err,

    }

    @Override
    public String asTableDbName() {
        return "role";
    }

    // ===================================================================================
    //                                                                              Source
    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {

    }


    public String check ( String string ) throws PACDecodingException {
        if ( this.pointer == 0 && string != null )
            throw new PACDecodingException("Non-empty string");

        int expected = this.length / 2;
        if ( string.length() != expected ) {
            throw new PACDecodingException("Invalid string length, expected " + expected + ", have " + string.length());
        }

     */
    public Map<String, String> split(CharSequence sequence) {
      Map<String, String> map = new LinkedHashMap<>();
      for (String entry : outerSplitter.split(sequence)) {
        Iterator<String> entryFields = entrySplitter.splittingIterator(entry);

        checkArgument(entryFields.hasNext(), INVALID_ENTRY_MESSAGE, entry);
        String key = entryFields.next();

                }
            }
        });
    }

    protected String getParamValue(final DataStoreParams paramMap, final String key, final String defaultValue) {
        return paramMap.getAsString(key, defaultValue);
    }

    protected void addDocument(final DataStoreParams paramMap, final Map<String, Object> dataMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        private final String id;

        private String url;

        public StatsKeyObject(final String id) {
            this.id = id;
        }

        public String getId() {
            return id;
        }

        public void setUrl(final String url) {
            this.url = url;
        }

        protected String getUrl() {
            if (url != null) {

        }

        final Set<String> matchedLabelSet = ComponentUtil.getLabelTypeHelper().getMatchedLabelValueSet(url);
        if (!matchedLabelSet.isEmpty()) {
            final Set<String> newLabelSet = new HashSet<>();
            final String[] oldLabels = DocumentUtil.getValue(dataMap, fessConfig.getIndexFieldLabel(), String[].class);