protected function setDeliverLibs($conf)
    {
        foreach ($conf as $name => $optName)
        {
            $options = $optName;
            $dl      = $name;
            if (! is_array($optName)) {
                // we have an deliverance service without options
                /* array (
                    'cdn',
                )*/
                $dl = $optName;
                $options = array();
            }

            $dl = str_replace(' ', '', ucwords(str_replace('-', ' ', $dl)));
            $service = 'YimaJquery\Deliveries\\'.$dl;
            if (! $this->serviceManager->has($service)) {
                trigger_error('Service '.$service.' not found.', E_USER_WARNING);

                continue;
            }

            $service = $this->serviceManager->get($service);
            $service->setOptions($options);

            $this->helper->addLibDeliver($service);
        }
    }