1. os
   1. os.watch
      1. (object)(trait)CarbonApi
      2. (class)CFAllocatorRef
      3. (class)CFArrayRef
      4. (object)(class)CFIndex
      5. (class)CFRunLoopRef
      6. (object)(class)CFStringRef
      7. (trait)FSEventStreamCallback
      8. (class)FSEventStreamRef
      9. (class)FSEventsWatcher
      10. (class)Watcher
      11. (class)WatchServiceWatcher