#ifndef _NTPSAPI_H
typedef struct _RTL_WORK_ON_BEHALF_TICKET_EX
{
    ALPC_WORK_ON_BEHALF_TICKET Ticket;
    union
    {
        ULONG Flags;
        struct
        {
            ULONG CurrentThread : 1;
            ULONG Reserved1 : 31;
        };
    };
    ULONG Reserved2;
} RTL_WORK_ON_BEHALF_TICKET_EX, *PRTL_WORK_ON_BEHALF_TICKET_EX;
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