public Builder setResponseMetadata(com.google.cloud.video.stitcher.v1.ResponseMetadata value) {
      if (responseMetadataBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        responseMetadata_ = value;
      } else {
        responseMetadataBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
The response metadata received from the ad request.
</pre>

<code>.google.cloud.video.stitcher.v1.ResponseMetadata response_metadata = 3;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/AdRequest.java