code: func stop(stream FSEventStreamRef, rlref CFRunLoopRef) {
  	C.FSEventStreamStop(stream)
  	C.FSEventStreamInvalidate(stream)
  	C.FSEventStreamRelease(stream)
  	C.CFRunLoopStop(C.CFRunLoopRef(rlref))
  	C.CFRelease(C.CFTypeRef(rlref))
  }
docs: // stop requests fsevents stops streaming events