void (@NotNull FoldedGroup group) { assert myHighlighters.isEmpty(); for (int i = 0; i < myCount; i++) { FoldRegion region = myRegions[i]; if (region == null || !region.isValid()) continue; myHighlighters.addAll(DiffDrawUtil.createLineSeparatorHighlighter(myEditors[i], region.getStartOffset(), region.getEndOffset(), new MySeparatorPresentation(group, i))); } }