async def get(self,request_configuration: Optional[RequestConfiguration[DeviceRequestBuilderGetQueryParameters]] = None) -> Optional[Device]:
        """
        The registered device on which this Windows Hello for Business key resides. Supports $expand. When you get a user's Windows Hello for Business registration information, this property is returned only on a single GET and when you specify ?$expand. For example, GET /users/admin@contoso.com/authentication/windowsHelloForBusinessMethods/_jpuR-TGZtk6aQCLF3BQjA2?$expand=device.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Device]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from .......models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from .......models.device import Device

        return await self.request_adapter.send_async(request_info, Device, error_mapping)

        The registered device on which this Windows Hello for Business key resides. Supports $expand. When you get a user's Windows Hello for Business registration information, this property is returned only on a single GET and when you specify ?$expand. For example, GET /users/admin@contoso.com/authentication/windowsHelloForBusinessMethods/_jpuR-TGZtk6aQCLF3BQjA2?$expand=device.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Device]
        
msgraph/generated/users/item/authentication/windows_hello_for_business_methods/item/device/device_request_builder.py