@java.lang.Override
    public float getConfidence() {
      return confidence_;
    }
<pre>
The Model's confidence in correction of this identification, higher
value means higher confidence.
</pre>

<code>float confidence = 4;</code>

@return The confidence.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/VideoObjectTrackingPredictionResult.java