long[] cumulativeCounts = new long[length + 1];
      for (int i = 0; i < length; i++) {
        cumulativeCounts[i + 1] = cumulativeCounts[i] + counts[i];
      }
      forceCopyElements = true;
      return new RegularImmutableSortedMultiset<E>(elementSet, cumulativeCounts, 0, length);
    }
  }

  @J2ktIncompatible // serialization

    }
    ImmutableList.Builder<E> elementsBuilder = new ImmutableList.Builder<>(entries.size());
    long[] cumulativeCounts = new long[entries.size() + 1];
    int i = 0;
    for (Entry<E> entry : entries) {
      elementsBuilder.add(entry.getElement());
      cumulativeCounts[i + 1] = cumulativeCounts[i] + entry.getCount();
      i++;
    }
    return new RegularImmutableSortedMultiset<>(