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//0x4 bytes (sizeof)
struct _SEGMENT_FLAGS
{
    ULONG TotalNumberOfPtes4132:10;                                         //0x0
    ULONG ExtraSharedWowSubsections:1;                                      //0x0
    ULONG LargePages:1;                                                     //0x0
    ULONG Spare:20;                                                         //0x0
};