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//0x20 bytes (sizeof)
struct _PCW_MASK_INFORMATION
{
    ULONGLONG CounterMask;                                                  //0x0
    struct _UNICODE_STRING* InstanceMask;                                   //0x8
    ULONG InstanceId;                                                       //0xc
    UCHAR CollectMultiple;                                                  //0x10
    struct _PCW_BUFFER* Buffer;                                             //0x14
    struct _KEVENT* CancelEvent;                                            //0x18
};