text: """Support for Bond generic devices."""
  from typing import Any, Callable, List, Optional
  
  from bond_api import Action, DeviceType
  
  from homeassistant.components.switch import SwitchEntity
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant
  from homeassistant.helpers.entity import Entity
  
  from .const import DOMAIN
  from .entity import BondEntity
  from .utils import BondDevice, BondHub
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      entry: ConfigEntry,
      async_add_entities: Callable[[List[Entity], bool], None],
  ) -> None:
      """Set up Bond generic devices."""
      hub: BondHub = hass.data[DOMAIN][entry.entry_id]
  
      switches = [
          BondSwitch(hub, device)
          for device in hub.devices
          if DeviceType.is_generic(device.type)
      ]
  
      async_add_entities(switches, True)
  
  
  class BondSwitch(BondEntity, SwitchEntity):
      """Representation of a Bond generic device."""
  
      def __init__(self, hub: BondHub, device: BondDevice):
          """Create HA entity representing Bond generic device (switch)."""
          super().__init__(hub, device)
  
          self._power: Optional[bool] = None
  
      def _apply_state(self, state: dict):
          self._power = state.get("power")
  
      @property
      def is_on(self) -> bool:
          """Return True if power is on."""
          return self._power == 1
  
      async def async_turn_on(self, **kwargs: Any) -> None:
          """Turn the device on."""
          await self._hub.bond.action(self._device.device_id, Action.turn_on())
  
      async def async_turn_off(self, **kwargs: Any) -> None:
          """Turn the device off."""
          await self._hub.bond.action(self._device.device_id, Action.turn_off())
  