public java.util.List<? extends com.google.cloud.vision.v1.WebDetection.WebLabelOrBuilder>
        getBestGuessLabelsOrBuilderList() {
      if (bestGuessLabelsBuilder_ != null) {
        return bestGuessLabelsBuilder_.getMessageOrBuilderList();
      } else {
        return java.util.Collections.unmodifiableList(bestGuessLabels_);
      }
    }
<pre>
The service's best guess as to the topic of the request image.
Inferred from similar images on the open web.
</pre>

<code>repeated .google.cloud.vision.v1.WebDetection.WebLabel best_guess_labels = 8;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/WebDetection.java