public static function setLocaleCode($locale_code)
 {
     if (!$locale_code) {
         return;
     }
     if ($locale_code == self::$localeCode) {
         return;
     }
     try {
         $locale = PhutilLocale::loadLocale($locale_code);
         $translations = PhutilTranslation::getTranslationMapForLocale($locale_code);
         $override = self::getEnvConfig('translation.override');
         if (!is_array($override)) {
             $override = array();
         }
         PhutilTranslator::getInstance()->setLocale($locale)->setTranslations($override + $translations);
         self::$localeCode = $locale_code;
     } catch (Exception $ex) {
         // Just ignore this; the user likely has an out-of-date locale code.
     }
 }