code: public com.google.appengine.v1.BasicScalingOrBuilder getBasicScalingOrBuilder() {
      if (scalingCase_ == 4) {
         return (com.google.appengine.v1.BasicScaling) scaling_;
      }
      return com.google.appengine.v1.BasicScaling.getDefaultInstance();
    }
docs: <pre>
  A service with basic scaling will create an instance when the application
  receives a request. The instance will be turned down when the app becomes
  idle. Basic scaling is ideal for work that is intermittent or driven by
  user activity.
  </pre>
  
  <code>.google.appengine.v1.BasicScaling basic_scaling = 4;</code>