final PoolingHttpClientConnectionManager connectionManager =
                new PoolingHttpClientConnectionManager(socketFactoryRegistry, null, null, dnsResolver, timeToLive, timeUnit);
        connectionManager.setMaxTotal(maxTotal);
        connectionManager.setDefaultMaxPerRoute(defaultMaxPerRoute);
        return connectionManager;
    }

    /**
     * Builds the SSL socket factory for HTTPS connections.
     *