? ImmutableSet.copyOf(rowSpaceBuilder)
            : ImmutableSet.copyOf(ImmutableList.sortedCopyOf(rowComparator, rowSpaceBuilder));
    ImmutableSet<C> columnSpace =
        (columnComparator == null)
            ? ImmutableSet.copyOf(columnSpaceBuilder)
            : ImmutableSet.copyOf(ImmutableList.sortedCopyOf(columnComparator, columnSpaceBuilder));

    return forOrderedComponents(cellList, rowSpace, columnSpace);