private function getRangeQueryParams(ProductCondition $productCondition)
    {
        $fieldName = $this->getSearchFieldName($productCondition);
        $operator  = $productCondition->getOperator();
        $value     = $productCondition->getValue();

        switch ($operator) {
            case '>':
                $operator = 'gt';
                break;
            case '>=':
                $operator = 'gte';
                break;
            case '<':
                $operator = 'lt';
                break;
            case '<=':
                $operator = 'lte';
                break;
        }

        return ['bounds' => [$operator => (float) $value], 'field' => $fieldName];
    }