private void maybeForceBuilderInitialization() {
        if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
          getDurationFieldBuilder();
        }
      }
<pre>
Mutes the stream.
</pre>

Protobuf type {@code google.cloud.video.livestream.v1.Event.MuteTask}
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Event.java