parse_power_supply also reads items of the legacy Power.PowerSupplies array, parse_ethernet_interface exposes the raw LinkStatus, and parse_network_protocol reports protocols that carry a Port without a ProtocolEnabled flag.
Pure functions for ServiceRoot, ComputerSystem (facts, power state, reset action and ActionInfo), Processors, Memory, Storage/Drives/SimpleStorage, Chassis Thermal and Power as well as ThermalSubsystem/PowerSubsystem/Sensors (with environment_sources to pick whichever exists), Manager, EthernetInterfaces, ManagerNetworkProtocol, accounts, firmware inventory and log services/entries.