@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      headers_ = null;
      if (headersBuilder_ != null) {
        headersBuilder_.dispose();
        headersBuilder_ = null;
      }
      return this;
    }
<pre>
Metadata for an ad request.
</pre>

Protobuf type {@code google.cloud.video.stitcher.v1.RequestMetadata}
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/RequestMetadata.java