code: public void setWebSeeds(List<WebSeedEntry> seeds) {
          web_seed_entry_vector v = new web_seed_entry_vector();
  
          for (WebSeedEntry e : seeds) {
              v.push_back(e.swig());
          }
  
          ti.set_web_seeds(v);
      }
docs: Replaces all web seeds with the ones specified in the
  {@code seeds} list.
  
  @param seeds the list of web seeds