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//0x44 bytes (sizeof)
struct _WHEAP_WORK_QUEUE
{
    struct _LIST_ENTRY ListHead;                                            //0x0
    ULONG ListLock;                                                         //0x8
    volatile LONG ItemCount;                                                //0xc
    struct _KDPC Dpc;                                                       //0x10
    struct _WORK_QUEUE_ITEM WorkItem;                                       //0x30
    VOID (*WorkRoutine)(struct _WHEAP_WORK_QUEUE* arg1, struct _LIST_ENTRY* arg2); //0x40
};