private com.google.protobuf.SingleFieldBuilderV3<
          com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media, com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media.Builder, com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.MediaOrBuilder>
          getMediaFieldBuilder() {
        if (mediaBuilder_ == null) {
          mediaBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
              com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media, com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Media.Builder, com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.MediaOrBuilder>(
                  getMedia(),
                  getParentForChildren(),
                  isClean());
          media_ = null;
        }
        return mediaBuilder_;
      }
<code>.com.alibaba.fastjson2.benchmark.protobuf.Media media = 2;</code>
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java