Smile\ElasticsuiteCatalog\Model\Layer\Filter\Decimal::_renderRangeLabel PHP Method

    protected function _renderRangeLabel($fromValue, $toValue)
    {
        $label = $this->formatValue($fromValue);
        if ($toValue === '') {
            $label = __('%1 and above', $label);
        } elseif ($fromValue != $toValue) {
            $label = __('%1 - %2', $label, $this->formatValue($toValue));
        }
        return $label;
    }