221   const TValue* Get(const TKey<TValue>& key) const {  in Get()
222     return GetValuePtr(key);  in Get()
228   TValue* Get(const TKey<TValue>& key) {  in Get()
229     return GetValuePtr(key);  in Get()
235   std::optional<TValue> GetOptional(const TKey<TValue>& key) const {  in GetOptional()
236     auto* ptr = Get(key);  in GetOptional()
243   TValue GetOrDefault(const TKey<TValue>& key) const {  in GetOrDefault()
244     auto* ptr = Get(key);  in GetOrDefault()
245     return (ptr == nullptr) ? key.CreateDefaultValue() : *ptr;  in GetOrDefault()
249   void AssignIfExists(const TKey<T>& key, U* out) {  in AssignIfExists()
251     if (Exists(key)) {  in AssignIfExists()
252       *out = std::move(*Get(key));  in AssignIfExists()
260     ScopedRemove(VariantMap& map, const TKey<TValue>& key) : map_(map), key_(key) {}  in ScopedRemove()
273   TValue ReleaseOrDefault(const TKey<TValue>& key) {  in ReleaseOrDefault()
274     ScopedRemove<TValue> remove_on_return(*this, key);  in ReleaseOrDefault()
276     TValue* ptr = Get(key);  in ReleaseOrDefault()
280       return key.CreateDefaultValue();  in ReleaseOrDefault()
286   bool Exists(const TKey<TValue>& key) const {  in Exists()
287     return GetKeyValueIterator(key) != storage_map_.end();  in Exists()
293   void Set(const TKey<TValue>& key, const typename Identity<TValue>::type& value) {  in Set()
297     Remove(key);  in Set()
298     bool inserted = storage_map_.insert({key.Clone(), new_value}).second;  in Set()
306   bool SetIfMissing(const TKey<TValue>& key, const typename Identity<TValue>::type& value) {  in SetIfMissing()
307     TValue* ptr = Get(key);  in SetIfMissing()
309       Set(key, value);  in SetIfMissing()
317   void Remove(const TKey<TValue>& key) {  in Remove()
320     auto&& it = GetKeyValueIterator(key);  in Remove()
322       key.ValueDelete(it->second);  in Remove()
397   void InitializeParameters(const TK& key, const TValue& value, const Rest& ... rest) {  in InitializeParameters()
400     const TKey<TValue>& key_refined = key;  in InitializeParameters()
422   typename StorageMap::iterator GetKeyValueIterator(const TKey<TValue>& key) {  in GetKeyValueIterator()
425     const TKey<TValue>* key_ptr = &key;  in GetKeyValueIterator()
431   typename StorageMap::const_iterator GetKeyValueIterator(const TKey<TValue>& key) const {  in GetKeyValueIterator()
434     const TKey<TValue>* key_ptr = &key;  in GetKeyValueIterator()
440   TValue* GetValuePtr(const TKey<TValue>& key) {  in GetValuePtr()
441     return const_cast<TValue*>(GetValueConstPtr(key));  in GetValuePtr()
445   const TValue* GetValuePtr(const TKey<TValue>& key) const {  in GetValuePtr()
446     return GetValueConstPtr(key);  in GetValuePtr()
450   const TValue* GetValueConstPtr(const TKey<TValue>& key) const {  in GetValueConstPtr()
451     auto&& it = GetKeyValueIterator(key);  in GetValueConstPtr()