18     return Ranges.end();  in insert()
20   auto It = llvm::upper_bound(Ranges, Range);  in insert()
22   while (It2 != Ranges.end() && It2->start() <= Range.end())  in insert()
26     It = Ranges.erase(It, It2);  in insert()
28   if (It != Ranges.begin() && Range.start() <= std::prev(It)->end()) {  in insert()
34   return Ranges.insert(It, Range);  in insert()
40       Ranges.begin(), Ranges.end(),  in find()
43   if (It == Ranges.begin())  in find()
44     return Ranges.end();  in find()
48     return Ranges.end();  in find()
56     return Ranges.end();  in find()
59       Ranges.begin(), Ranges.end(),  in find()
62   if (It == Ranges.begin())  in find()
63     return Ranges.end();  in find()
67     return Ranges.end();  in find()