code: public function map($resource, array $data): ResourceClass
      {
          /** @var ResourceClass $locale */
          $locale = $this->hydrator->hydrate($resource ?: ResourceClass::class, [
              'sys' => $this->createSystemProperties(SystemProperties::class, $data),
              'code' => $data['code'],
              'name' => $data['name'],
              'default' => $data['default'],
              'fallbackCode' => $data['fallbackCode'],
          ]);
  
          return $locale;
      }
docs: {@inheritdoc}