code: public com.google.appengine.v1.Instance.Availability getAvailability() {
      com.google.appengine.v1.Instance.Availability result = com.google.appengine.v1.Instance.Availability.valueOf(availability_);
      return result == null ? com.google.appengine.v1.Instance.Availability.UNRECOGNIZED : result;
    }
docs: <pre>
  Availability of the instance.
  &#64;OutputOnly
  </pre>
  
  <code>.google.appengine.v1.Instance.Availability availability = 4;</code>