TextAnalysis\Indexes\InvertedIndex::getIndex PHP Метод

    public function getIndex()
    {
        return $this->index;
    }

 /**
  * 
  * @param InvertedIndex $invertedIndex
  * @return array
  */
 public function queryIndex(InvertedIndex $invertedIndex)
 {
     $terms = array_keys($invertedIndex->getIndex());
     $found = [];
     foreach ($terms as $term) {
         foreach ($this->getQuery() as $queryTerm) {
             if (Text::contains($term, $queryTerm)) {
                 $found[$term] = $invertedIndex->getDocumentIdsByTerm($term);
             }
         }
     }
     return $found;
 }