protected function registerTargetContentAreaInSession($contentElementUid, $areaName)
{
if ('' === session_id()) {
session_start();
}
$integer = MiscellaneousUtility::generateUniqueIntegerForFluxArea($contentElementUid, $areaName);
$_SESSION['target' . $integer] = array($contentElementUid, $areaName);
return $integer;
}