The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 package org.mozilla.gecko.tokenserver;

 public interface TokenServerClientDelegate {

   void handleSuccess(TokenServerToken token);

   void handleFailure(TokenServerException e);

   void handleError(Exception e);

   /**

    * Might be called multiple times, in addition to the other terminating handler methods.

    */

   void handleBackoff(int backoffSeconds);

   public String getUserAgent();

 }