protected function drawBackOfficeInputOperators($inputKey)
    {
        $html = '';

        $inputs = $this->getValidators();

        if (isset($inputs['inputs'][$inputKey])) {
            $html = $this->facade->getParser()->render(
                'coupon/condition-fragments/condition-selector.html',
                [
                    'operators' => $inputs['inputs'][$inputKey]['availableOperators'],
                    'value'     => isset($this->operators[$inputKey]) ? $this->operators[$inputKey] : '',
                    'inputKey'  => $inputKey
                ]
            );
        }

        return $html;
    }