public function findOneByOptionIdAndStoreId($optionId, $storeId)
    {

        // the parameters of the EAV attribute option to load
        $params = array(
            MemberNames::OPTION_ID => $optionId,
            MemberNames::STORE_ID  => $storeId,
        );

        // load and return the EAV attribute option swatch with the passed parameters
        $this->attributeOptionSwatchByOptionIdAndStoreIdStmt->execute($params);
        return $this->attributeOptionSwatchByOptionIdAndStoreIdStmt->fetch(\PDO::FETCH_ASSOC);
    }