private void buildPartial0(
          com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.trackId_ = trackId_;
        }
        if (((from_bitField0_ & 0x00000002) != 0)) {
          result.zoneId_ = zoneId_;
        }
        int to_bitField0_ = 0;
        if (((from_bitField0_ & 0x00000004) != 0)) {
          result.dwellStartTime_ =
              dwellStartTimeBuilder_ == null ? dwellStartTime_ : dwellStartTimeBuilder_.build();
          to_bitField0_ |= 0x00000001;
        }
        if (((from_bitField0_ & 0x00000008) != 0)) {
          result.dwellEndTime_ =
              dwellEndTimeBuilder_ == null ? dwellEndTime_ : dwellEndTimeBuilder_.build();
          to_bitField0_ |= 0x00000002;
        }
        result.bitField0_ |= to_bitField0_;
      }
<pre>
The dwell time info for annotations from occupancy counting operator.
</pre>

Protobuf type {@code
google.cloud.visionai.v1.OccupancyCountingPredictionResult.DwellTimeInfo}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OccupancyCountingPredictionResult.java