docs: def populate(self, priority, address, rtr, data):
          """
          :return: None
          """
          assert isinstance(data, bytes)
          self.needs_low_priority(priority)
          self.needs_no_rtr(rtr)
          self.needs_data(data, 4)
          self.set_attributes(priority, address, rtr)
          self.closed = self.byte_to_channels(data[0])
          self.led_on = self.byte_to_channels(data[1])
          self.led_slow_blinking = self.byte_to_channels(data[2])
          self.led_fast_blinking = self.byte_to_channels(data[3])