docs: public static Level normalize(Level level) {
      if (levelMap.containsKey(level.intValue())) {
        return levelMap.get(level.intValue());
      } else if (level.intValue() >= Level.SEVERE.intValue()) {
        return Level.SEVERE;
      } else if (level.intValue() >= Level.WARNING.intValue()) {
        return Level.WARNING;
      } else if (level.intValue() >= Level.INFO.intValue()) {
        return Level.INFO;
      } else {
        return Level.FINE;
      }
    }