/**
  * {@inheritdoc}
  */
 public function apply(Request $request, ParamConverter $configuration)
 {
     $name = $configuration->getName();
     $country = $this->zonesService->getCountryByIsoCode2Letters($request->get('country'));
     $inflector = Inflector::get(strtolower($country->getIsoCode2Letters()));
     $zoneTypeSlug = $inflector->singularize($request->get($name));
     $zoneType = $this->zonesService->getZoneTypeFromSlug($zoneTypeSlug, $country);
     $request->attributes->set('zoneType', $zoneType);
     return true;
 }