public Builder clearDwellTimeInfo() {
      if (dwellTimeInfoBuilder_ == null) {
        dwellTimeInfo_ = java.util.Collections.emptyList();
        bitField0_ = (bitField0_ & ~0x00000010);
        onChanged();
      } else {
        dwellTimeInfoBuilder_.clear();
      }
      return this;
    }
<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