$this->pathPrefix = CRM_Utils_Array::value('pathPrefix', $runnerSpec, 'civicrm/queue');
$this->buttons = CRM_Utils_Array::value('buttons', $runnerSpec, ['retry' => TRUE, 'skip' => TRUE]);
// perhaps this value should be randomized?
$this->pathPrefix = CRM_Utils_Array::value('pathPrefix', $runnerSpec, 'civicrm/queue');
$this->buttons = CRM_Utils_Array::value('buttons', $runnerSpec, ['retry' => TRUE, 'skip' => TRUE]);
// perhaps this value should be randomized?