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//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
};