docs: public final void stopTrack(Flag track) {
        setTrack(track, false);
        if (!trackStateTransfer && !trackXSiteStateTransfer) {
           if (trace) {
              log.tracef("Tracking is disabled. Clear tracker: %s", tracker);
           }
           tracker.clear();
        } else {
           for (Iterator<Map.Entry<Object, DiscardPolicy>> iterator = tracker.entrySet().iterator();
                iterator.hasNext(); ) {
              if (iterator.next().getValue().update(trackStateTransfer, trackXSiteStateTransfer)) {
                 iterator.remove();
              }
           }
        }
     }