CombinedCondition example

    private function handleCombinedConditionFacet(
        Request $request,
        Criteria $criteria,
        CombinedConditionFacet $facet
    ) {
        if (!$request->has($facet->getRequestParameter())) {
            return;
        }
        $criteria->addCondition(
            new CombinedCondition(
                $facet->getConditions()
            )
        );
    }

    /** * @return bool */
    private function isAttributeInRequest(ProductAttributeFacet $facet, Request $request)
    {
        $params = $request->getParams();