code: public com.google.protobuf.Duration getDefaultCookieExpiration() {
      return defaultCookieExpiration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : defaultCookieExpiration_;
    }
docs: <pre>
  Cookie expiration policy for this application.
  &#64;OutputOnly
  </pre>
  
  <code>.google.protobuf.Duration default_cookie_expiration = 9;</code>