public function create() : LocaleInterface
 {
     $locale = new Locale();
     $locale->setCode('');
     $locale->setEnabled(true);
     $locale->setCurrency(null);
     return $locale;
 }
 /**
  * {@inheritDoc}
  */
 public function load(ObjectManager $manager)
 {
     if (!$this->isEnabled()) {
         return;
     }
     $locale = new Locale();
     $locale->setCode('en');
     $locale->setEnabled(true);
     $locale->setCurrency($this->getReference('currency_USD'));
     $manager->persist($locale);
     $manager->flush();
     $this->setReference('locale_en', $locale);
 }