void () { checkCanBeReordered("x >= 0 && /*<*/list.get(x).isEmpty()/*>*/", ThreeState.NO); checkCanBeReordered("x < list.size() && /*<*/list.get(x).isEmpty()/*>*/", ThreeState.NO); checkCanBeReordered("list.size() > x && /*<*/list.get(x).isEmpty()/*>*/", ThreeState.NO); }