eZ\Publish\Core\Search\Elasticsearch\Content\FacetBuilderVisitor\ContentType::visit PHP Method

    public function visit(FacetBuilder $facetBuilder)
    {
        return array("type__{$facetBuilder->name}" => array('terms' => array('field' => 'type_id', 'min_doc_count' => $facetBuilder->minCount, 'size' => $facetBuilder->limit)));
    }