129 struct ContainerHandle {  struct
134   ContainerHandle() {}  in ContainerHandle()  argument
137   ContainerHandle(Args... args)  in ContainerHandle()  function
140   /*implicit*/ ContainerHandle(container_type* c) : handle(c) {}  in ContainerHandle()  function
142   /*implicit*/ ContainerHandle(std::unique_ptr<container_type> c)  in ContainerHandle()  argument
145   void set_leaf(leaf_type* leaf) {  in set_leaf()
173   const ContainerHandle& operator[](size_t idx) const {  argument
193   const ContainerHandle& at(const Key& lookup_key) const {  in at()  argument
203   const ContainerHandle& at(const KeyInt& lookup_key) const {  in at()  argument
207   const ContainerHandle& at(const KeyStr& lookup_key) const {  in at()  argument
211   const Key& key(size_t idx) const {  in key()
215   Key& key(size_t idx) {  in key()
220   size_t size() const {  in size()
224   size_t leaves_num() const {  in leaves_num()
228   bool isDict() const {  in isDict()
253   bool operator==(const ContainerHandle& rhs) {  argument
277   bool operator!=(const ContainerHandle& rhs) {  argument