OptionalconfigConfig defines configuration parameters that apply to each device that is claimed via this class. Some classses may potentially be satisfied by multiple drivers, so each instance of a vendor configuration applies to exactly one driver.
They are passed to the driver, but are not considered while allocating the claim.
OptionalselectorsEach selector must be satisfied by a device which is claimed via this class.
DeviceClassSpec is used in a [DeviceClass] to define what can be allocated and how to configure it.