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//0x4 bytes (sizeof)
enum _SYSTEM_POWER_STATE
{
    PowerSystemUnspecified = 0,
    PowerSystemWorking = 1,
    PowerSystemSleeping1 = 2,
    PowerSystemSleeping2 = 3,
    PowerSystemSleeping3 = 4,
    PowerSystemHibernate = 5,
    PowerSystemShutdown = 6,
    PowerSystemMaximum = 7
};