docs: def set_auto_shutoff(self, timer):
          """
          :param timer: an int, one of [None (never), -1, 30, 60, 120]
          :return: nothing
          """
          values = {
              "desired_state": {
                  "auto_shutoff": timer
              }
          }
          response = self.api_interface.set_device_state(self, values)
          self._update_state_from_response(response)