51   StratifiedIndex Below;  member
56   StratifiedLink() : Above(SetSentinel), Below(SetSentinel) {}  in StratifiedLink()
58   bool hasBelow() const { return Below != SetSentinel; }  in hasBelow()
61   void clearBelow() { Below = SetSentinel; }  in clearBelow()
196       Link.Below = I;  in setBelow()
217       return Link.Below;  in getBelow()
288         auto &Below = linksAt(Link.Below);  in finalizeSets()  local
289         auto Iter = Remaps.find(Below.Number);  in finalizeSets()
291         Link.Below = Iter->second;  in finalizeSets()
324         auto NextIndex = Links[CurrentIndex].Below;  in propagateAttrs()
375     auto Below = linksAt(Index).getBelow();  in addBelow()  local
376     return addAtMerging(ToAdd, Below);  in addBelow()