/**
* @param Stage $qa
* @param FinderConfiguration $configuration
*
* @return Stage
*/
protected function generatePreFilter(Stage $qa, FinderConfiguration $configuration)
{
if (null !== $configuration->getSearch()) {
$filterSearch = $this->generatePreSearchFilter($configuration);
if (null !== $filterSearch) {
$qa->match($filterSearch);
}
}
return $qa;
}