private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo,
            com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo.Builder,
            com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfoOrBuilder>
        getDwellTimeInfoFieldBuilder() {
      if (dwellTimeInfoBuilder_ == null) {
        dwellTimeInfoBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo,
                com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo
                    .Builder,
                com.google.cloud.visionai.v1.OccupancyCountingPredictionResult
                    .DwellTimeInfoOrBuilder>(
                dwellTimeInfo_,
                ((bitField0_ & 0x00000010) != 0),
                getParentForChildren(),
                isClean());
        dwellTimeInfo_ = null;
      }
      return dwellTimeInfoBuilder_;
    }
<pre>
Dwell time related information. All the tracks that are live in a given
zone with a start and end dwell time timestamp
</pre>

<code>
repeated .google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo dwell_time_info = 5;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OccupancyCountingPredictionResult.java