Device GUID rendered as {...}. Not unique on its own: a module reports its default device with the all-zero GUID, so key devices by (outputId, deviceId).
The same as deviceId.
Whether this module and device are the ones in effect, as config.getOutputConfig reports them.
Display name: the full name the output manager reports, or <module>: <device> when the device list comes from the output modules themselves.
GUID of the output module, rendered as {...}.
One output device as
config.getOutputDeviceslists it.