Reimplements the :meth:`QThread.run` method.

def run(self):
        """
        Reimplements the :meth:`QThread.run` method.
        """

        self.__timer = QTimer()
        self.__timer.moveToThread(self)
        self.__timer.start(Constants.default_timer_cycle * self.__timer_cycle_multiplier)

        self.__timer.timeout.connect(self.__watch_file_system, Qt.DirectConnection)

        self.exec_()