@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      topic_ = "";
      return this;
    }
<pre>
A Pub/Sub destination.
</pre>

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