private void reduceCapacity() {
    int toSaveAlive = 0;
    for (int i=0; i<myList.size();i++) {
      MyReference<T> reference = myList.get(i);
      if (reference == null) continue;
      T t = reference.get();
      if (t == null) {
        myAlive--;
        continue;
      }
      if (toSaveAlive != i) {
        myList.set(toSaveAlive, new MyReference<>(toSaveAlive, t, myQueue));
      }
      toSaveAlive++;
    }
    if (toSaveAlive != myList.size()) {
      myList.subList(toSaveAlive, myList.size()).clear();
      modCount++;
    }
    myAlive = toSaveAlive;
  }
private void reduceCapacity()