createValueListFacetResult example

$sqlField = 'productAttribute.' . $facet->getField();
        $query->andWhere($sqlField . ' IS NOT NULL')
            ->andWhere($sqlField . " NOT IN ('', '0', '0000-00-00')");

        $attribute = $this->crudService->get('s_articles_attributes', $facet->getField());

        $type = $attribute ? $attribute->getColumnType() : null;

        switch ($facet->getMode()) {
            case ProductAttributeFacet::MODE_VALUE_LIST_RESULT:
            case ProductAttributeFacet::MODE_RADIO_LIST_RESULT:
                $result = $this->createValueListFacetResult($query, $facet, $criteria, $context);
                break;

            case ProductAttributeFacet::MODE_BOOLEAN_RESULT:
                $result = $this->createBooleanFacetResult($query, $facet, $criteria);
                break;

            case ProductAttributeFacet::MODE_RANGE_RESULT:
                $result = $this->createRangeFacetResult($query, $facet, $criteria);
                break;

            default: