/**
  * @param $orderAscending
  * @param $groupId
  * @param $uploadId
  * @param $uploadTreeId
  * @internal param $itemTreeBounds
  * @return string
  */
 protected function doClearings($orderAscending, $groupId, $uploadId, $uploadTreeId)
 {
     $itemTreeBounds = $this->uploadDao->getItemTreeBoundsFromUploadId($uploadTreeId, $uploadId);
     $aaData = $this->getCurrentSelectedLicensesTableData($itemTreeBounds, $groupId, $orderAscending);
     return array('sEcho' => intval($_GET['sEcho']), 'aaData' => $aaData, 'iTotalRecords' => count($aaData), 'iTotalDisplayRecords' => count($aaData));
 }