public com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media.Builder getMediaBuilder() {
        bitField0_ |= 0x00000002;
        onChanged();
        return getMediaFieldBuilder().getBuilder();
      }
<code>.com.alibaba.fastjson2.benchmark.protobuf.Media media = 2;</code>
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java