//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,
PowerInternalExternalMonitorConnected = 23,
PowerInternalHighPrecisionBrightnessSettings = 24,
PowerInternalWinrtScreenToggle = 25,
PowerInternalPpmQosDisable = 26,
PowerInternalTransitionCheckpoint = 27,
PowerInternalInputControllerState = 28,
PowerInternalFirmwareResetReason = 29,
PowerInternalPpmSchedulerQosSupport = 30,
PowerInternalBootStatGet = 31,
PowerInternalBootStatSet = 32,
PowerInternalCallHasNotReturnedWatchdog = 33,
PowerInternalBootStatCheckIntegrity = 34,
PowerInternalBootStatRestoreDefaults = 35,
PowerInternalHostEsStateUpdate = 36,
PowerInternalGetPowerActionState = 37,
PowerInternalBootStatUnlock = 38,
PowerInternalWakeOnVoiceState = 39,
PowerInternalDeepSleepBlock = 40,
PowerInternalIsPoFxDevice = 41,
PowerInformationInternalMaximum = 42
};