public Builder setMuxStreams(
        int index, com.google.cloud.video.transcoder.v1.MuxStream.Builder builderForValue) {
      if (muxStreamsBuilder_ == null) {
        ensureMuxStreamsIsMutable();
        muxStreams_.set(index, builderForValue.build());
        onChanged();
      } else {
        muxStreamsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
<pre>
List of multiplexing settings for output streams.
</pre>

<code>repeated .google.cloud.video.transcoder.v1.MuxStream mux_streams = 4;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/JobConfig.java