//0x4 bytes (sizeof)
enum _POWER_INFORMATION_LEVEL_INTERNAL
{
PowerInternalAcpiInterfaceRegister = 0,
PowerInternalS0LowPowerIdleInfo = 1,
PowerInternalReapplyBrightnessSettings = 2,
PowerInternalUserAbsencePrediction = 3,
PowerInternalUserAbsencePredictionCapability = 4,
PowerInternalPoProcessorLatencyHint = 5,
PowerInternalStandbyNetworkRequest = 6,
PowerInternalDirtyTransitionInformation = 7,
PowerInternalSetBackgroundTaskState = 8,
PowerInternalTtmOpenTerminal = 9,
PowerInformationInternalTtmFirst = 9,
PowerInternalTtmCreateTerminal = 10,
PowerInternalTtmEvacuateDevices = 11,
PowerInternalTtmCreateTerminalEventQueue = 12,
PowerInternalTtmGetTerminalEvent = 13,
PowerInternalTtmSetDefaultDeviceAssignment = 14,
PowerInternalTtmAssignDevice = 15,
PowerInternalTtmSetDisplayState = 16,
PowerInternalTtmSetDisplayTimeouts = 17,
PowerInformationInternalTtmLast = 17,
PowerInternalBootSessionStandbyActivationInformation = 18,
PowerInternalSessionPowerState = 19,
PowerInternalSessionTerminalInput = 20,
PowerInternalSetWatchdog = 21,
PowerInternalPhysicalPowerButtonPressInfoAtBoot = 22,
PowerInformationInternalMaximum = 23
};