sclass ScoredSearcher<A> {
  int maxResults = 1000;
  LS preparedTerms;
  new Map<A, Int> scores;
  
  *(S query, O... _) {
    maxResults = optPar maxResults(_, maxResults);
    preparedTerms = scoredSearch_prepare(query);
  }
  
  L<A> get() {
    ret takeFirst(maxResults, keysSortedByValuesDesc(scores));
  }
}