public Builder mergeMedia(com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media value) {
        if (mediaBuilder_ == null) {
          if (((bitField0_ & 0x00000002) != 0) &&
            media_ != null &&
            media_ != com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media.getDefaultInstance()) {
            getMediaBuilder().mergeFrom(value);
          } else {
            media_ = value;
          }
        } else {
          mediaBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<code>.com.alibaba.fastjson2.benchmark.protobuf.Media media = 2;</code>
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java