public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
<pre>
Specifies which segment is being tracked if the request contains more than
one segment.
</pre>

<code>.google.cloud.videointelligence.v1p3beta1.VideoSegment segment = 6;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/VideoAnnotationProgress.java