@Override
      public Builder clear() {
        super.clear();
        level_ = 0;

        id_ = "";

        years_ = 0;

        return this;
      }
Protobuf type {@code com.alibaba.fastjson2.dubbo.DriverCard}
core/src/test/java/com/alibaba/fastjson2/dubbo/GoogleProtobufBasic.java