code: private function setEmptyValue(PropertyInterface $property, array $propInfo)
      {
          if (!array_key_exists('empty_value', $propInfo) || !($property instanceof EmptyValueAwarePropertyInterface)) {
              return;
          }
          $property->setEmptyValue($propInfo['empty_value']);
      }
docs: Set the empty value if defined.
  
  @param PropertyInterface $property The property to set the empty value.
  @param array             $propInfo The property info.
  
  @return void