/// BEGIN extract-method-for-ticket-manager
  public void allUnresolvedIssues(IssueHandler handler) throws Failure {
    TicketManager ticketManager = connections.getTicketManager();

    ticketManager.lock();
    try {
      retrieveUnresolvedIssues(ticketManager.getIssueManager(), handler);
    } finally {
      ticketManager.unlock();
    }
  }