struct _unnamed_634// Size=0x18
{
    unsigned long Length48;// Offset=0x0 Size=0x4
    unsigned long Alignment48;// Offset=0x4 Size=0x4
    union _LARGE_INTEGER MinimumAddress;// Offset=0x8 Size=0x8
    union _LARGE_INTEGER MaximumAddress;// Offset=0x10 Size=0x8
};