public Builder setSize(long value) {

        size_ = value;
        bitField0_ |= 0x00000040;
        onChanged();
        return this;
      }
<pre>
file size
</pre>

<code>int64 size = 7;</code>
@param value The size to set.
@return This builder for chaining.
benchmark/src/main/java/com/alibaba/fastjson2/benchmark/protobuf/MediaContentHolder.java