update, text, response

node_modules/@parcel/watcher/src/macos/FSEventsBackend.hh

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+#ifndef FS_EVENTS_H
+#define FS_EVENTS_H
+
+#include <CoreServices/CoreServices.h>
+#include "../Backend.hh"
+
+class FSEventsBackend : public Backend {
+public:
+  void start() override;
+  ~FSEventsBackend();
+  void writeSnapshot(WatcherRef watcher, std::string *snapshotPath) override;
+  void getEventsSince(WatcherRef watcher, std::string *snapshotPath) override;
+  void subscribe(WatcherRef watcher) override;
+  void unsubscribe(WatcherRef watcher) override;
+private:
+  void startStream(WatcherRef watcher, FSEventStreamEventId id);
+  CFRunLoopRef mRunLoop;
+};
+
+#endif