public synchronized void initOauthSession(OAuthSession session) {
    this.session = session;
    this.notifyAll();
  }

  /** Waits for an OAuth session for this client to be set. */
  public synchronized void awaitAccessToken(Timeout timeout) throws InterruptedIOException {
    while (session == null) {
      timeout.waitUntilNotified(this);
    }
  }

  /** Starts a real time messaging session. */