public com.google.cloud.videointelligence.v1.FaceDetectionAnnotation
        getFaceDetectionAnnotations(int index) {
      if (faceDetectionAnnotationsBuilder_ == null) {
        return faceDetectionAnnotations_.get(index);
      } else {
        return faceDetectionAnnotationsBuilder_.getMessage(index);
      }
    }
<pre>
Face detection annotations.
</pre>

<code>
repeated .google.cloud.videointelligence.v1.FaceDetectionAnnotation face_detection_annotations = 13;
</code>
java-video-intelligence/proto-google-cloud-video-intelligence-v1/src/main/java/com/google/cloud/videointelligence/v1/VideoAnnotationResults.java