122   struct DataDescriptor_64 {  struct in lldb_private::formatters::NSDictionaryISyntheticFrontEnd
123     uint64_t _used : 58;
124     uint32_t _szidx : 6;
286     struct DataDescriptor_64 {  struct in lldb_private::formatters::Foundation1100::NSDictionaryMSyntheticFrontEnd
287       uint64_t _used : 58;
288       uint32_t _kvo : 1;
289       uint64_t _size;
290       uint64_t _mutations;
291       uint64_t _objs_addr;
292       uint64_t _keys_addr;
321     struct DataDescriptor_64 {  struct
322       uint64_t _used : 58;
323       uint32_t _kvo : 1;
324       uint64_t _size;
325       uint64_t _buffer;
326       uint64_t GetSize() { return _size; }  in GetSize()
360     struct DataDescriptor_64 {  struct
361       uint64_t _buffer;
362       uint32_t _muts;
363       uint32_t _used : 25;
364       uint32_t _kvo : 1;
365       uint32_t _szidx : 6;
367       uint64_t GetSize() {  in GetSize()