private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.videointelligence.v1p3beta1.VideoSegment,
            com.google.cloud.videointelligence.v1p3beta1.VideoSegment.Builder,
            com.google.cloud.videointelligence.v1p3beta1.VideoSegmentOrBuilder>
        getSegmentFieldBuilder() {
      if (segmentBuilder_ == null) {
        segmentBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.videointelligence.v1p3beta1.VideoSegment,
                com.google.cloud.videointelligence.v1p3beta1.VideoSegment.Builder,
                com.google.cloud.videointelligence.v1p3beta1.VideoSegmentOrBuilder>(
                getSegment(), getParentForChildren(), isClean());
        segment_ = null;
      }
      return segmentBuilder_;
    }
<pre>
Video segment of a track.
</pre>

<code>.google.cloud.videointelligence.v1p3beta1.VideoSegment segment = 1;</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1p3beta1/src/main/java/com/google/cloud/videointelligence/v1p3beta1/Track.java