protected function parseDesignatorFilter($operator, $filterObjectName, PointcutFilterComposite $pointcutFilterComposite)
{
$customFilter = $this->objectManager->get($filterObjectName);
if (!$customFilter instanceof PointcutFilterInterface) {
throw new InvalidPointcutExpressionException('Invalid custom filter: "' . $filterObjectName . '" does not implement the required PointcutFilterInterface, defined in ' . $this->sourceHint, 1231871755);
}
$pointcutFilterComposite->addFilter($operator, $customFilter);
}