Metadatacopyunion _ENERGY_STATE_DURATION { unsigned __int64 Value;/* 0x0 8 */ struct { unsigned long LastChangeTime;/* 0x0 4 */ unsigned long Duration : 31;/* 0x4:0 4 */ unsigned long IsInState : 1;/* 0x4:31 4 */ };/* 0x0 8 */};