355   bool add(const T &Main) {  in add()  argument
356     if (get(Main).hasValue())  in add()
360     return addAtMerging(Main, NewIndex);  in add()
366   bool addAbove(const T &Main, const T &ToAdd) {  in addAbove()  argument
367     assert(has(Main));  in addAbove()
368     auto Index = *indexOf(Main);  in addAbove()
379   bool addBelow(const T &Main, const T &ToAdd) {  in addBelow()  argument
380     assert(has(Main));  in addBelow()
381     auto Index = *indexOf(Main);  in addBelow()
389   bool addWith(const T &Main, const T &ToAdd) {  in addWith()  argument
390     assert(has(Main));  in addWith()
391     auto MainIndex = *indexOf(Main);  in addWith()
395   void noteAttributes(const T &Main, AliasAttrs NewAttrs) {  in noteAttributes()  argument
396     assert(has(Main));  in noteAttributes()
397     auto *Info = *get(Main);  in noteAttributes()