/**
  * @return array
  */
 protected function getOnlyCountriesWhereStoresAvailable()
 {
     $stores = $this->storeRepository->findAll();
     $countries = array('0' => $this->translate('select.country.choose'));
     foreach ($stores as $store) {
         if (!$store->getCountry()) {
             continue;
         }
         $countries[$store->getCountry()->getUid()] = $store->getCountry();
     }
     return $countries;
 }