public Builder addAllBestGuessLabels(
        java.lang.Iterable<? extends com.google.cloud.vision.v1p4beta1.WebDetection.WebLabel>
            values) {
      if (bestGuessLabelsBuilder_ == null) {
        ensureBestGuessLabelsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, bestGuessLabels_);
        onChanged();
      } else {
        bestGuessLabelsBuilder_.addAllMessages(values);
      }
      return this;
    }
<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.v1p4beta1.WebDetection.WebLabel best_guess_labels = 8;
</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/WebDetection.java