@Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }
<code>map&lt;string, .com.alibaba.fastjson2.dubbo.DriverCard&gt; cardsmap = 18;</code>
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java