public Builder addNegativeDirectionCounts(
            int index,
            com.google.cloud.visionai.v1.OccupancyCountingPredictionResult.Stats.ObjectCount
                value) {
          if (negativeDirectionCountsBuilder_ == null) {
            if (value == null) {
              throw new NullPointerException();
            }
            ensureNegativeDirectionCountsIsMutable();
            negativeDirectionCounts_.add(index, value);
            onChanged();
          } else {
            negativeDirectionCountsBuilder_.addMessage(index, value);
          }
          return this;
        }
<pre>
The direction that is opposite to the right hand rule.
</pre>

<code>
repeated .google.cloud.visionai.v1.OccupancyCountingPredictionResult.Stats.ObjectCount negative_direction_counts = 3;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OccupancyCountingPredictionResult.java