code: public function getLanguages($mixID)
      {
          if (!$this->getMetaModel()->isTranslated()) {
              return null;
          }
  
          $collection = new DefaultLanguageInformationCollection();
  
          foreach ($this->getMetaModel()->getAvailableLanguages() as $langCode) {
              list($langCode, $country) = explode('_', $langCode, 2);
              $collection->add(new DefaultLanguageInformation($langCode, $country ?: null));
          }
  
          if (count($collection) > 0) {
              return $collection;
          }
  
          return null;
      }
docs: {@inheritdoc}
  
  @SuppressWarnings(PHPMD.UnusedFormalParameter)