private function getTermsQueryParams(ProductCondition $productCondition)
{
$fieldName = $this->getSearchFieldName($productCondition);
$values = $productCondition->getValue();
if (!is_array($values) && in_array($productCondition->getOperator(), ['()', '!()'])) {
$values = explode(',', $values);
}
return ['field' => $fieldName, 'values' => $values];
}