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//0x8 bytes (sizeof)
union wil_details_FeatureStateCache
{
    ULONG exchange;                                                         //0x0
    ULONG stateCached:1;                                                    //0x0
    ULONG hasNotificationCached:1;                                          //0x0
    ULONG variantCached:1;                                                  //0x0
    ULONG effectiveState:1;                                                 //0x0
    ULONG desiredState:1;                                                   //0x0
    ULONG reservedForKernelModeSupport:2;                                   //0x0
    ULONG hasNotification:1;                                                //0x0
    ULONG isVariant:1;                                                      //0x0
    ULONG variant:6;                                                        //0x0
    struct
    {
        ULONG unused:17;                                                    //0x0
        ULONG payloadId;                                                    //0x4
    };
    ULONGLONG exchange64;                                                   //0x0
};