public com.google.cloud.video.livestream.v1.ElementaryStream.Builder
        addElementaryStreamsBuilder() {
      return getElementaryStreamsFieldBuilder()
          .addBuilder(com.google.cloud.video.livestream.v1.ElementaryStream.getDefaultInstance());
    }
<pre>
List of elementary streams.
</pre>

<code>repeated .google.cloud.video.livestream.v1.ElementaryStream elementary_streams = 10;
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Channel.java