int (@NotNull Side touchSide, int equalForward, int equalBackward, @NotNull Range range1, @NotNull Range range2) { Integer shift; int threshold = ComparisonUtil.getUnimportantLineCharCount(); shift = getUnchangedBoundaryShift(touchSide, equalForward, equalBackward, range1, range2, 0); if (shift != null) return shift; shift = getChangedBoundaryShift(touchSide, equalForward, equalBackward, range1, range2, 0); if (shift != null) return shift; shift = getUnchangedBoundaryShift(touchSide, equalForward, equalBackward, range1, range2, threshold); if (shift != null) return shift; shift = getChangedBoundaryShift(touchSide, equalForward, equalBackward, range1, range2, threshold); if (shift != null) return shift; return 0; }