clientMap.put(regex, componentName);
        clientFactoryList.forEach(f -> load(f, regex, componentName));
    }

    /**
     * Loads a crawler client into the specified crawler client factory.
     *
     * @param crawlerClientFactory the factory to which the client will be added
     * @param regex the regular expression used to match URLs for this client

                .expireAfterWrite(filterCacheExpireAfterWrite, TimeUnit.SECONDS)//
                .build(new CacheLoader<String, List<Pattern>>() {

                    /**
                     * Loads filter patterns for the given session ID.
                     *
                     * @param key The session ID.
                     * @return The list of compiled patterns.
                     */