public com.google.cloud.video.stitcher.v1.RequestMetadata.Builder getRequestMetadataBuilder() {
      bitField0_ |= 0x00000002;
      onChanged();
      return getRequestMetadataFieldBuilder().getBuilder();
    }
<pre>
The request metadata used to make the ad request.
</pre>

<code>.google.cloud.video.stitcher.v1.RequestMetadata request_metadata = 2;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/AdRequest.java