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//0x60 bytes (sizeof)
struct _HEAP_VAMGR_VASPACE
{
    enum _RTLP_HP_ADDRESS_SPACE_TYPE AddressSpaceType;                      //0x0
    ULONGLONG BaseAddress;                                                  //0x8
    struct _RTL_SPARSE_ARRAY VaRangeArray;                                  //0x10
};