Add binary_sensor setup type hints [o-r] (#63270)

Co-authored-by: epenet <epenet@users.noreply.github.com>

homeassistant/components/rflink/binary_sensor.py

@@ -1,4 +1,6 @@
 """Support for Rflink binary sensors."""
+from __future__ import annotations
+
 import voluptuous as vol
 
 from homeassistant.components.binary_sensor import (
@@ -12,9 +14,11 @@ from homeassistant.const import (
     CONF_FORCE_UPDATE,
     CONF_NAME,
 )
-from homeassistant.core import callback
+from homeassistant.core import HomeAssistant, callback
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 import homeassistant.helpers.event as evt
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import CONF_ALIASES, RflinkDevice
 
@@ -53,7 +57,12 @@ def devices_from_config(domain_config):
     return devices
 
 
-async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+async def async_setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    async_add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the Rflink platform."""
     async_add_entities(devices_from_config(config))