void (@Nullable SimpleDiffChange previousChange, @NotNull Side side) { if (previousChange == null) return; int startLine = myChange.getStartLine(side); int endLine = myChange.getEndLine(side); int prevStartLine = previousChange.getStartLine(side); int prevEndLine = previousChange.getEndLine(side); if (startLine == endLine) return; if (prevStartLine == prevEndLine) return; if (prevEndLine != startLine) return; myHighlighters.addAll(DiffDrawUtil.createLineMarker(myViewer.getEditor(side), startLine, TextDiffType.MODIFIED)); }