@java.lang.Override
    public int getUnderExposedLikelihoodValue() {
      return underExposedLikelihood_;
    }
<pre>
Under-exposed likelihood.
</pre>

<code>.google.cloud.vision.v1p2beta1.Likelihood under_exposed_likelihood = 13;</code>

@return The enum numeric value on the wire for underExposedLikelihood.
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/FaceAnnotation.java