code: def search(self, doc: Doc, threshold: float = 0) -> List[int]:
      query_list = self._parseTerms(doc)
  
      if query_list:
          results = [
              center
              for score, center in self._index.apply(
                  query_list, threshold
              )
          ]
      else:
          results = []
  
      return results
  
file_path: dedupe/dedupe/tfidf.py
imports: import logging
  from typing import List, Tuple
  from dedupe.canopy_index import CanopyIndex
  from dedupe.core import Enumerator
  from dedupe.index import Index
label_desc: Use image node_id 5 for calling the TfIdfIndex obj's underlying member method code with example usage: obj.search(doc, threshold) and returns: results