public static boolean isLanguageLevelAccepted(LanguageLevel languageLevel) {
    //allow custom features to appear in EAP
    if (ApplicationManager.getApplication().isEAP()) return true;
    // language levels up to HIGHEST are officially supported
    return LanguageLevel.HIGHEST.compareTo(languageLevel) >= 0 || getSettings().acceptedNames.contains(languageLevel.name());
  }
public static boolean isLanguageLevelAccepted(LanguageLevel languageLevel)