original_string: public function &getAggregatorsApplyingOn(ExportInterface $export, array $centers = null)
      {
          foreach ($this->aggregators as $alias => $aggregator) {
              if (in_array($aggregator->applyOn(), $export->supportsModifiers()) && 
                      $this->isGrantedForElement($aggregator, $export, $centers)) {
                  yield $alias => $aggregator;
              }
          }
      }
code: public function &getAggregatorsApplyingOn(ExportInterface $export, array $centers = null)
      {
          foreach ($this->aggregators as $alias => $aggregator) {
              if (in_array($aggregator->applyOn(), $export->supportsModifiers()) && 
                      $this->isGrantedForElement($aggregator, $export, $centers)) {
                  yield $alias => $aggregator;
              }
          }
      }
code_tokens: public function & getAggregatorsApplyingOn ( ExportInterface $ export , array $ centers = null ) { foreach ( $ this -> aggregators as $ alias => $ aggregator ) { if ( in_array ( $ aggregator -> applyOn ( ) , $ export -> supportsModifiers ( ) ) && $ this -> isGrantedForElement ( $ aggregator , $ export , $ centers ) ) { yield $ alias => $ aggregator ; } } }
docstring: Return a \Generator containing aggregators which support type
  
  @return AggregatorInterface[] a \Generator that contains aggretagors. The key is the filter's alias
docstring_tokens: Return a \ Generator containing aggregators which support type