boolean (int oldLine1, int oldLine2, int shift, @NotNull Side side) { int line1 = getStartLine(side); int line2 = getEndLine(side); int sideIndex = side.getIndex(); DiffUtil.UpdatedLineRange newRange = DiffUtil.updateRangeOnModification(line1, line2, oldLine1, oldLine2, shift); myLineStartShifts[sideIndex] += newRange.startLine - line1; myLineEndShifts[sideIndex] += newRange.endLine - line2; if (newRange.damaged) { myIsValid = false; } return newRange.damaged; }