in wrap.go [261:267]
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))
}