private void ensureImageIsMutable() {
        if (!((bitField0_ & 0x00000001) != 0)) {
          image_ = new java.util.ArrayList<com.alibaba.fastjson2.benchmark.protobuf.MediaContentHolder.Image>(image_);
          bitField0_ |= 0x00000001;
         }
      }
Protobuf type {@code com.alibaba.fastjson2.benchmark.protobuf.MediaContent}
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java