public Builder addLandmarks(
        int index,
        com.google.cloud.vision.v1p3beta1.FaceAnnotation.Landmark.Builder builderForValue) {
      if (landmarksBuilder_ == null) {
        ensureLandmarksIsMutable();
        landmarks_.add(index, builderForValue.build());
        onChanged();
      } else {
        landmarksBuilder_.addMessage(index, builderForValue.build());
      }
      return this;
    }
<pre>
Detected face landmarks.
</pre>

<code>repeated .google.cloud.vision.v1p3beta1.FaceAnnotation.Landmark landmarks = 3;</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/FaceAnnotation.java