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//0x14 bytes (sizeof)
struct _MMSESSION
{
    struct _EX_PUSH_LOCK SystemSpaceViewLock;                               //0x0
    struct _EX_PUSH_LOCK* SystemSpaceViewLockPointer;                       //0x4
    struct _RTL_AVL_TREE ViewRoot;                                          //0x8
    ULONG ViewCount;                                                        //0xc
    ULONG BitmapFailures;                                                   //0x10
};