addButtons(array(
        array(
          'type' => 'next',
          'name' => ts('OK'),
          'isDefault' => TRUE,
        ),
        array(
          'type' => 'cancel',
          'name' => ts('Cancel'),
        ),
      )
    );
  }
  /**
   * Process the form submission.
   */
  public function postProcess() {
    $result = CRM_Utils_System::synchronizeUsers();
    $status = ts('Checked one user record.',
        array(
          'count' => $result['contactCount'],
          'plural' => 'Checked %count user records.',
        )
      );
    if ($result['contactMatching']) {
      $status .= '
' . ts('Found one matching contact record.',
          array(
            'count' => $result['contactMatching'],
            'plural' => 'Found %count matching contact records.',
          )
        );
    }
    $status .= '
' . ts('Created one new contact record.',
        array(
          'count' => $result['contactCreated'],
          'plural' => 'Created %count new contact records.',
        )
      );
    CRM_Core_Session::setStatus($status, ts('Synchronize Complete'), 'success');
    CRM_Core_Session::singleton()->pushUserContext(CRM_Utils_System::url('civicrm/admin', 'reset=1'));
  }
}