private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1p2beta1.WebDetection.WebLabel,
            com.google.cloud.vision.v1p2beta1.WebDetection.WebLabel.Builder,
            com.google.cloud.vision.v1p2beta1.WebDetection.WebLabelOrBuilder>
        getBestGuessLabelsFieldBuilder() {
      if (bestGuessLabelsBuilder_ == null) {
        bestGuessLabelsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1p2beta1.WebDetection.WebLabel,
                com.google.cloud.vision.v1p2beta1.WebDetection.WebLabel.Builder,
                com.google.cloud.vision.v1p2beta1.WebDetection.WebLabelOrBuilder>(
                bestGuessLabels_,
                ((bitField0_ & 0x00000020) != 0),
                getParentForChildren(),
                isClean());
        bestGuessLabels_ = null;
      }
      return bestGuessLabelsBuilder_;
    }
<pre>
Best guess text labels for the request image.
</pre>

<code>repeated .google.cloud.vision.v1p2beta1.WebDetection.WebLabel best_guess_labels = 8;
</code>
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/WebDetection.java