/**
  * {@inheritdoc}
  */
 public function setOptions(array $options)
 {
     parent::setOptions($options);
     // $this->loader is null at this moment so we have to use the definition directly
     if ($this->aContainer->has('conditional_router.routing_loader')) {
         $resolverKeys = $this->aContainer->get('conditional_router.routing_loader')->getResolverKeys();
         foreach ($this->optionsToAppend as $optionToAppend) {
             $this->options[$optionToAppend] .= $resolverKeys;
         }
     }
 }