217   struct BuilderLink {  struct
220     BuilderLink(StratifiedIndex N) : Number(N) {  in BuilderLink()  function
224     bool hasAbove() const {  in hasAbove()
229     bool hasBelow() const {  in hasBelow()
234     void setBelow(StratifiedIndex I) {  in setBelow()
239     void setAbove(StratifiedIndex I) {  in setAbove()
244     void clearBelow() {  in clearBelow()
249     void clearAbove() {  in clearAbove()
254     StratifiedIndex getBelow() const {  in getBelow()
260     StratifiedIndex getAbove() const {  in getAbove()
266     StratifiedAttrs &getAttrs() {  in getAttrs()
271     void setAttr(unsigned index) {  in setAttr()
277     void setAttrs(const StratifiedAttrs &other) {  in setAttrs()
303     // current BuilderLink is remapped.  argument
304     const StratifiedLink &getLink() const { return Link; }  in getLink()
308     StratifiedIndex Remap;