KGzocha\Searcher\Result\ResultCollection::addNamedItem PHP Method

    public function addNamedItem($name, $item)
    {
        return parent::addNamedItem($name, $item);
    }

 /**
  * Will perform multiple sub-searches.
  * Results from first search will be transformed and passed as CriteriaCollection
  * to another sub-search.
  * Whole process will return collection of results from each sub-search.
  *
  * @param CriteriaCollectionInterface $criteriaCollection
  *
  * @return ResultCollection
  */
 public function search(CriteriaCollectionInterface $criteriaCollection)
 {
     $previousCriteria = $criteriaCollection;
     $previousResults = null;
     $result = new ResultCollection();
     /** @var CellInterface $cell */
     foreach ($this->cellCollection as $name => $cell) {
         if ($cell->getTransformer()->skip($previousResults)) {
             continue;
         }
         $previousResults = $cell->getSearcher()->search($previousCriteria);
         $previousCriteria = $this->getNewCriteria($cell, $previousCriteria, $previousResults);
         $result->addNamedItem($name, $previousResults);
     }
     return $result;
 }