public function getGrid($sectionName = 'Configuration', $gridName = 'grid')
{
/** @var Grid[] $grids */
/** @var Grid $grid */
$grids = $this->getStoredVariable(AbstractFormViewHelper::SCOPE, 'grids', $sectionName);
$grid = NULL;
if (TRUE === isset($grids[$gridName])) {
$grid = $grids[$gridName];
}
return $grid;
}