docs: async def async_get_connected_devices(self):
          """Retrieve data from ASUSWRT.
  
          Calls various commands on the router and returns the superset of all
          responses. Some commands will not work on some routers.
          """
          devices = {}
          dev = await self.async_get_wl()
          devices.update(dev)
          dev = await self.async_get_arp()
          devices.update(dev)
          dev = await self.async_get_neigh(devices)
          devices.update(dev)
          if not self.mode == 'ap':
              dev = await self.async_get_leases(devices)
              devices.update(dev)
  
          ret_devices = {}
          for key in devices:
              if not self.require_ip or devices[key].ip is not None:
                  ret_devices[key] = devices[key]
          return ret_devices