code: public function visitBuilder(FacetBuilder $facetBuilder, $fieldId)
      {
          foreach ($this->visitors as $visitor) {
              if ($visitor->canVisit($facetBuilder)) {
                  return $visitor instanceof FacetFieldVisitor ?
                      $visitor->visitBuilder($facetBuilder, $fieldId) :
                      $visitor->visit($facetBuilder);
              }
          }
  
          // Ignore unsupported FacetBuilders, don't block the query for it
          // ref: https://github.com/ezsystems/ezpublish-kernel/commit/435624d6fb8aa03ec219818ff7cb6755944b8d7b
          return [];
      }
docs: {@inheritdoc}.