def METHOD_NAME(self, nums1: Set[int], nums2: Set[int]) -> None:
    nb1 = nums_to_numbits(nums1)
    good_numbits(nb1)
    nb2 = nums_to_numbits(nums2)
    good_numbits(nb2)
    nbi = numbits_intersection(nb1, nb2)
    good_numbits(nbi)
    intersection = numbits_to_nums(nbi)
    assert nums1 & nums2 == set(intersection)