boolean (@NotNull ThreesideDiffChangeBase change) { Side side1 = myModifiedSide.select(Side.LEFT, null, Side.RIGHT); if (side1 != null && change.isChange(side1)) return true; Side side2 = mySourceSide.select(Side.LEFT, null, Side.RIGHT); if (side2 != null && change.isChange(side2)) return true; return false; }