public Builder addAllFaceDetectionAnnotations(
        java.lang.Iterable<? extends com.google.cloud.videointelligence.v1.FaceDetectionAnnotation>
            values) {
      if (faceDetectionAnnotationsBuilder_ == null) {
        ensureFaceDetectionAnnotationsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, faceDetectionAnnotations_);
        onChanged();
      } else {
        faceDetectionAnnotationsBuilder_.addAllMessages(values);
      }
      return this;
    }
<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