def move_down(self, **kwargs):
        self._move_rollershutter(self._command_down)
Return an instance of the class instantiated according to
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/rollershutter/command_line.py/CommandRollershutter.move_down--crossover with--dataset/ETHPy150Open ga4gh/server/ga4gh/avrotools.py/AvroTypeSwitch.getInstance