public int getLandmarkAnnotationsCount() {
      if (landmarkAnnotationsBuilder_ == null) {
        return landmarkAnnotations_.size();
      } else {
        return landmarkAnnotationsBuilder_.getCount();
      }
    }
<pre>
If present, landmark detection has completed successfully.
</pre>

<code>repeated .google.cloud.vision.v1.EntityAnnotation landmark_annotations = 2;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AnnotateImageResponse.java