code: public void urlSeeds(List<String> value) {
          string_vector v = new string_vector();
  
          for (String s : value) {
              v.push_back(s);
          }
  
          p.set_url_seeds(v);
      }
docs: Url seeds to be added to the torrent (`BEP 17`_).
  
  @param value the url seeds