/**
* Clears out any tracked changes and turns change tracking ON or OFF
*
* @param bool $trackChanges True to turn change tracking ON, or false to turn OFF. Default of true is assumed.
* @return this
*
*/
public function resetTrackChanges($trackChanges = true)
{
$this->itemsAdded = array();
$this->itemsRemoved = array();
return parent::resetTrackChanges($trackChanges);
}