src/CoreBundle/EventListener/DcGeneral/DefinitionBuilder/PanelBuilder.php
private function parsePanelSort(PanelRowInterface $row)
    {
        if (!$row->hasElement('sort')) {
            $element = new DefaultSortElementInformation();
            $row->addElement($element);
        }
    }
private function parsePanelSort(PanelRowInterface $row)
    {
        if (!$row->hasElement('sort')) {
            $element = new DefaultSortElementInformation();
            $row->addElement($element);
        }
    }
Add sort element to the panel.

@param PanelRowInterface $row The row to which the element shall get added to.

@return void