491 struct CombinedState {  struct
493   explicit CombinedState(InodeMap inode_map) : inode_map{std::move(inode_map)} {}  in CombinedState()  argument
494   explicit CombinedState(PageCacheFtraceEvent event) : ftrace_event{std::move(event)} {}  in CombinedState()  function
496   CombinedState(InodeMap inode_map, PageCacheFtraceEvent event)  in CombinedState()  function
500   std::optional<InodeMap> inode_map;
501   std::optional<PageCacheFtraceEvent> ftrace_event;
503   bool HasAll() const {  in HasAll()
507   const InodeMap& GetInodeMap() const {  in GetInodeMap()
512   InodeMap& GetInodeMap() {  in GetInodeMap()
517   const PageCacheFtraceEvent& GetEvent() const {  in GetEvent()
522   PageCacheFtraceEvent& GetEvent() {  in GetEvent()
527   void Merge(CombinedState&& other) {  in Merge()