docs: public boolean isLoggable(Logger logger, Level l, String str) {
          boolean rs = logger.isLoggable(l) && l.intValue() >= this.logLevel;
          if (this.excludeLogLevels == null || !rs || str == null) return rs;
          String[] keys = this.excludeLogLevels.get(l.intValue());
          if (keys == null) return rs;
          for (String key : keys) {
              if (str.contains(key)) return false;
          }
          return rs;
      }