public com.google.cloud.video.livestream.v1.Channel.Output.Builder getOutputBuilder() {
      bitField0_ |= 0x00000040;
      onChanged();
      return getOutputFieldBuilder().getBuilder();
    }
<pre>
Required. Information about the output (that is, the Cloud Storage bucket
to store the generated live stream).
</pre>

<code>
.google.cloud.video.livestream.v1.Channel.Output output = 9 [(.google.api.field_behavior) = REQUIRED];
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Channel.java