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//0x28 bytes (sizeof)
struct _MI_VAD_EVENT_BLOCK
{
    struct _MI_VAD_EVENT_BLOCK* Next;                                       //0x0
    union
    {
        struct _KGATE Gate;                                                 //0x4
        struct _MMADDRESS_LIST SecureInfo;                                  //0x4
        struct _RTL_BITMAP BitMap;                                          //0x4
        struct _MMINPAGE_SUPPORT* InPageSupport;                            //0x4
        struct _MI_LARGEPAGE_IMAGE_INFO LargePage;                          //0x4
        struct _ETHREAD* CreatingThread;                                    //0x4
        struct _MI_SUB64K_FREE_RANGES PebTeb;                               //0x4
        struct _MMVAD_SHORT* PlaceholderVad;                                //0x4
    };
    ULONG WaitReason;                                                       //0x24
};