public Builder clearRequestMetadata() {
      bitField0_ = (bitField0_ & ~0x00000002);
      requestMetadata_ = null;
      if (requestMetadataBuilder_ != null) {
        requestMetadataBuilder_.dispose();
        requestMetadataBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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