public Builder setCompanionAds(
        com.google.cloud.video.stitcher.v1.CompanionAds.Builder builderForValue) {
      if (companionAdsBuilder_ == null) {
        companionAds_ = builderForValue.build();
      } else {
        companionAdsBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Metadata of companion ads associated with the ad.
</pre>

<code>.google.cloud.video.stitcher.v1.CompanionAds companion_ads = 2;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/VodSessionAd.java