Smart Home Device Manager

from typing import Optional, Set, Tuple

class DeviceManager:
    """Manages smart home device registration and organization."""

    def __init__(self, hass):
        """Initialize device manager.

        Args:
            hass: Home Assistant instance
        """
        pass

    async def register_device(
        self,
        config_entry_id: str,
        connections: Optional[Set[Tuple[str, str]]] = None,
        identifiers: Optional[Set[Tuple[str, str]]] = None,
        manufacturer: Optional[str] = None,
        model: Optional[str] = None,
        name: Optional[str] = None,
        sw_version: Optional[str] = None,
        hw_version: Optional[str] = None,
        area_id: Optional[str] = None,
        via_device: Optional[Tuple[str, str]] = None,
    ) -> dict:
        """Register a new device or retrieve existing device.

        Args:
            config_entry_id: Configuration entry ID
            connections: Set of device connections as (type, value) tuples
            identifiers: Set of device identifiers as (domain, id) tuples
            manufacturer: Device manufacturer name
            model: Device model name
            name: Device name
            sw_version: Software version
            hw_version: Hardware version
            area_id: Area ID for location assignment
            via_device: Parent device identifier tuple

        Returns:
            Device entry dictionary with device information
        """
        pass

    async def update_device(
        self,
        device_id: str,
        area_id: Optional[str] = None,
        name_by_user: Optional[str] = None,
        sw_version: Optional[str] = None,
        hw_version: Optional[str] = None,
        merge_identifiers: Optional[Set[Tuple[str, str]]] = None,
        merge_connections: Optional[Set[Tuple[str, str]]] = None,
    ) -> dict:
        """Update device information.

        Args:
            device_id: Device ID to update
            area_id: New area ID
            name_by_user: User-defined custom name
            sw_version: Updated software version
            hw_version: Updated hardware version
            merge_identifiers: Additional identifiers to merge
            merge_connections: Additional connections to merge

        Returns:
            Updated device entry dictionary
        """
        pass

    async def get_device(
        self,
        identifiers: Optional[Set[Tuple[str, str]]] = None,
        connections: Optional[Set[Tuple[str, str]]] = None,
    ) -> Optional[dict]:
        """Retrieve device by identifiers or connections.

        Args:
            identifiers: Device identifiers to search for
            connections: Device connections to search for

        Returns:
            Device entry dictionary or None if not found
        """
        pass

    async def remove_device(self, device_id: str) -> None:
        """Remove device from registry.

        Args:
            device_id: Device ID to remove
        """
        pass

    def get_all_devices(self) -> dict:
        """Get all registered devices.

        Returns:
            Dictionary mapping device IDs to device entries
        """
        pass