Iterator<T> iterator, int size) {
    return partitionImpl(iterator, size, false);
  }

  /**
   * Divides an iterator into unmodifiable sublists of the given size, padding the final iterator
   * with null values if necessary. For example, partitioning an iterator containing {@code [a, b,
   * c, d, e]} with a partition size of 3 yields {@code [[a, b, c], [d, e, null]]} -- an outer

      Iterator<T> iterator, int size) {
    return partitionImpl(iterator, size, false);
  }

  /**
   * Divides an iterator into unmodifiable sublists of the given size, padding the final iterator
   * with null values if necessary. For example, partitioning an iterator containing {@code [a, b,
   * c, d, e]} with a partition size of 3 yields {@code [[a, b, c], [d, e, null]]} -- an outer