94   iterator Put(const K& k, const V& v) {  in Put()  argument
95     std::pair<iterator, bool> result = map_.emplace(k, v);  in Put()
99   iterator Put(const K& k, V&& v) {  in Put()  argument
100     std::pair<iterator, bool> result = map_.emplace(k, std::move(v));  in Put()
106   iterator PutBefore(const_iterator pos, const K& k, const V& v) {  in PutBefore()  argument
110     return map_.emplace_hint(pos, k, v);  in PutBefore()
112   iterator PutBefore(const_iterator pos, const K& k, V&& v) {  in PutBefore()  argument
116     return map_.emplace_hint(pos, k, std::move(v));  in PutBefore()
122   iterator Overwrite(const K& k, const V& v) {  in Overwrite()  argument
123     std::pair<iterator, bool> result = map_.insert(std::make_pair(k, v));  in Overwrite()
126       result.first->second = v;  in Overwrite()
143   iterator FindOrAdd(const K& k, const V& v) {  in FindOrAdd()  argument
145     return it == end() ? Put(k, v) : it;  in FindOrAdd()