 
        #ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)
typedef _Function_class_(TIMER_APC_ROUTINE)
VOID NTAPI TIMER_APC_ROUTINE(
    _In_ PVOID TimerContext,
    _In_ ULONG TimerLowValue,
    _In_ LONG TimerHighValue
    );
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