Smile\ElasticsuiteCatalogRule\Model\Rule\Condition\Product::getDefaultOperatorInputByType PHP Method

    public function getDefaultOperatorInputByType()
    {
        if (null === $this->_defaultOperatorInputByType) {
            $this->_defaultOperatorInputByType = ['string' => ['{}', '!{}'], 'numeric' => ['==', '!=', '>=', '>', '<=', '<'], 'date' => ['==', '>=', '>', '<=', '<'], 'select' => ['==', '!='], 'boolean' => ['==', '!='], 'multiselect' => ['()', '!()'], 'grid' => ['()', '!()'], 'category' => ['()', '!()']];
            $this->_arrayInputTypes = ['multiselect', 'grid', 'category'];
        }
        return $this->_defaultOperatorInputByType;
    }