213 struct VariantMap {  struct
216   using Key = TKey<TValue>;
221   const TValue* Get(const TKey<TValue>& key) const {  in Get()
228   TValue* Get(const TKey<TValue>& key) {  in Get()
235   std::optional<TValue> GetOptional(const TKey<TValue>& key) const {  in GetOptional()
260     ScopedRemove(VariantMap& map, const TKey<TValue>& key) : map_(map), key_(key) {}  in ScopedRemove()  argument
273   TValue ReleaseOrDefault(const TKey<TValue>& key) {  in ReleaseOrDefault()
286   bool Exists(const TKey<TValue>& key) const {  in Exists()
293   void Set(const TKey<TValue>& key, const typename Identity<TValue>::type& value) {  in Set()
306   bool SetIfMissing(const TKey<TValue>& key, const typename Identity<TValue>::type& value) {  in SetIfMissing()
340   VariantMap() {}  in VariantMap()  argument
343   explicit VariantMap(const TKeyValue& ... key_value_list) {  in VariantMap()  function
349   VariantMap(const VariantMap& other) {  in VariantMap()  function
362       const detail::VariantMapKeyRaw* raw_key_other = kv_pair.first;  argument
365       detail::VariantMapKeyRaw* cloned_raw_key = raw_key_other->Clone();  argument
375   VariantMap(VariantMap&& other) noexcept {  in VariantMap()  function
389   ~VariantMap() {  in ~VariantMap()  argument
408     bool operator()(const detail::VariantMapKeyRaw* lhs,  in operator()  argument
419   using StorageMap = std::map<const detail::VariantMapKeyRaw*, void*, KeyComparator>;  argument
426     const detail::VariantMapKeyRaw* raw_ptr = key_ptr;  in GetKeyValueIterator()  argument
435     const detail::VariantMapKeyRaw* raw_ptr = key_ptr;  in GetKeyValueIterator()  argument
461     static_assert(std::is_base_of_v<VariantMapKey<TValue>, TKey<TValue>>,  in StaticAssertKeyType()  argument
465   void DeleteStoredValues() {  in DeleteStoredValues()
472   StorageMap storage_map_;