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//0x4 bytes (sizeof)
enum POWER_ACTION
{
    PowerActionNone = 0,
    PowerActionReserved = 1,
    PowerActionSleep = 2,
    PowerActionHibernate = 3,
    PowerActionShutdown = 4,
    PowerActionShutdownReset = 5,
    PowerActionShutdownOff = 6,
    PowerActionWarmEject = 7,
    PowerActionDisplayOff = 8
};