public java.lang.String getModel() {
      java.lang.Object ref = model_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        model_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
Model to use for the feature.
Supported values: "builtin/stable" (the default if unset) and
"builtin/latest". `DOCUMENT_TEXT_DETECTION` and `TEXT_DETECTION` also
support "builtin/weekly" for the bleeding edge release updated weekly.
</pre>

<code>string model = 3;</code>

@return The model.
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/Feature.java