@Override
    public boolean hasNext() {
      return laterCount > 0 || entryIterator.hasNext();
    }

    @Override
    @ParametricNullness
    public E next() {
      if (!hasNext()) {
        throw new NoSuchElementException();
      }
      if (laterCount == 0) {
        currentEntry = entryIterator.next();
        totalCount = laterCount = currentEntry.getCount();
      }
      laterCount--;

    @Override
    public boolean hasNext() {
      return laterCount > 0 || entryIterator.hasNext();
    }

    @Override
    @ParametricNullness
    public E next() {
      if (!hasNext()) {
        throw new NoSuchElementException();
      }
      if (laterCount == 0) {
        currentEntry = entryIterator.next();
        totalCount = laterCount = currentEntry.getCount();
      }
      laterCount--;