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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _start_auto_refresh_thread(self):
 """ Start the background thread that auto refreshes all clients according to `self.status_interval`. """

        def run():
            while True:
                time.sleep(self.status_interval)
                self.invalidate()

        t = threading.Thread(target=run)
        t.daemon = True
        t.start()