@Override
    public boolean containsCardsmap(
        String key) {
      if (key == null) { throw new NullPointerException("map key"); }
      return internalGetCardsmap().getMap().containsKey(key);
    }
<code>map&lt;string, .com.alibaba.fastjson2.dubbo.DriverCard&gt; cardsmap = 18;</code>
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java