public void trackers(List<String> value) {
        string_vector v = new string_vector();

        for (String s : value) {
            v.push_back(s);
        }

        p.set_trackers(v);
    }
public void trackers ( List < String > value ) { string_vector v = new string_vector ( ) ; for ( String s : value ) { v . push_back ( s ) ; } p . set_trackers ( v ) ; }
If the torrent doesn't have a tracker, but relies on the DHT to find
peers, this method can specify tracker URLs for the torrent.

@param value the list of trackers