77   iterator erase(const_iterator pos) { return map_.erase(pos); }  in erase()  argument
78   iterator erase(iterator pos) { return map_.erase(pos); }  in erase()  argument
82   node_type extract(const_iterator pos) { return map_.extract(pos); }  in extract()  argument
126   iterator PutBefore(const_iterator pos, const K& k, const V& v) {  in PutBefore()  argument
128     DCHECK(pos == map_.end() || map_.key_comp()(k, pos->first));  in PutBefore()
129     DCHECK(pos == map_.begin() || map_.key_comp()((--const_iterator(pos))->first, k));  in PutBefore()
130     return map_.emplace_hint(pos, k, v);  in PutBefore()
132   iterator PutBefore(const_iterator pos, const K& k, V&& v) {  in PutBefore()  argument
134     DCHECK(pos == map_.end() || map_.key_comp()(k, pos->first));  in PutBefore()
135     DCHECK(pos == map_.begin() || map_.key_comp()((--const_iterator(pos))->first, k));  in PutBefore()
136     return map_.emplace_hint(pos, k, std::move(v));  in PutBefore()