@java.lang.Override
  public java.lang.String getModel() {
    java.lang.Object ref = model_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      model_ = s;
      return s;
    }
  }
<pre>
Model to use for face detection.
Supported values: "builtin/stable" (the default if unset) and
"builtin/latest".
</pre>

<code>string model = 1;</code>

@return The model.
java-video-intelligence/proto-google-cloud-video-intelligence-v1beta2/src/main/java/com/google/cloud/videointelligence/v1beta2/FaceDetectionConfig.java