public DriverCardOrBuilder getCardOrBuilder() {
        if (cardBuilder_ != null) {
          return cardBuilder_.getMessageOrBuilder();
        } else {
          return card_ == null ?
              DriverCard.getDefaultInstance() : card_;
        }
      }
<code>.com.alibaba.fastjson2.dubbo.DriverCard card = 16;</code>
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java