original_string: public function getUsedAggregatorsAliases(array $data)
      {
          $aggregators = $this->retrieveUsedAggregators($data[ExportType::AGGREGATOR_KEY]);
          
          return array_keys(iterator_to_array($aggregators));
      }
code: public function getUsedAggregatorsAliases(array $data)
      {
          $aggregators = $this->retrieveUsedAggregators($data[ExportType::AGGREGATOR_KEY]);
          
          return array_keys(iterator_to_array($aggregators));
      }
code_tokens: public function getUsedAggregatorsAliases ( array $ data ) { $ aggregators = $ this -> retrieveUsedAggregators ( $ data [ ExportType :: AGGREGATOR_KEY ] ) ; return array_keys ( iterator_to_array ( $ aggregators ) ) ; }
docstring: get the aggregators typse used in the form export data
  
  @param array $data the data from the export form
  @return string[]
docstring_tokens: get the aggregators typse used in the form export data