@Override

    public DriverCard getCardsmapOrDefault(
        String key,
        DriverCard defaultValue) {
      if (key == null) { throw new NullPointerException("map key"); }
      java.util.Map<String, DriverCard> map =
          internalGetCardsmap().getMap();
      return map.containsKey(key) ? map.get(key) : defaultValue;
    }
<code>map&lt;string, .com.alibaba.fastjson2.dubbo.DriverCard&gt; cardsmap = 18;</code>
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java