n++;
                final int size = chain.size();
                final int cost = chain.getCreditCost();
                final CommonServerMessageBlockRequest next = chain.getNext();
                if (log.isTraceEnabled()) {
                    log.trace(String.format("%s costs %d avail %d (%s)", chain.getClass().getName(), cost, this.credits.availablePermits(),
                            this.name));
                }

    }

    @SuppressWarnings("unchecked")
    default Tuple3<String, String, String>[] getVirtualHosts() {
        Tuple3<String, String, String>[] hosts = (Tuple3<String, String, String>[]) propMap.get(VIRTUAL_HOST_HEADERS);
        if (hosts == null) {
            hosts = split(getVirtualHostHeaderValue(), "\n").get(stream -> stream.map(s -> {
                final String[] v1 = s.split("=");
                if (v1.length == 2) {

        }
        return buf.toString().trim();
    }

    /**
     * Replaces duplicate hosts in the URL using the duplicate host helper.
     *
     * @param url the URL to process
     * @return the URL with duplicate hosts replaced
     */
    protected String replaceDuplicateHost(final String url) {
        try {
            // remove duplicate host

labels.max_access_count=Número máximo de accesos
labels.number_of_thread=Número de hilos
labels.interval_time=Intervalo
labels.millisec=milisegundos
labels.permissions=Permisos
labels.virtual_hosts=Hosts virtuales
labels.virtual_host=Host virtual
labels.label_type=Etiqueta
labels.file_crawling_button_create=Crear
labels.file_crawling_button_create_job=Crear nuevo trabajo
labels.web_crawling_configuration=Rastreo web