setScript example

        $script = ' def value = \'\'; ' . implode(' ', $fields) . ' return value; ';

        $aggregation = new CardinalityAggregation('total-count');
        $aggregation->setScript($script);

        return $this->addPostFilterAggregation($criteria, $definition, $context, $aggregation);
    }

    private function addPostFilterAggregation(Criteria $criteria, EntityDefinition $definition, Context $context, CardinalityAggregation $aggregation): AbstractAggregation
    {
        if (!$criteria->getPostFilters()) {
            return $aggregation;
        }

        $query = $this->criteriaParser->parseFilter(