FairDiffIterable (@NotNull List<? extends Line> lines1, @NotNull List<? extends Line> lines2, @NotNull FairDiffIterable iterable) { List<Range> changes = new ArrayList<>(); for (Range ch : iterable.iterateChanges()) { Range expanded = TrimUtil.expand(lines1, lines2, ch.start1, ch.start2, ch.end1, ch.end2); if (!expanded.isEmpty()) changes.add(expanded); } return fair(create(changes, lines1.size(), lines2.size())); }