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//0x20 bytes (sizeof)
struct _HAL_CLOCK_TIMER_CONFIGURATION
{
    union
    {
        UCHAR Flags;                                                        //0x0
        struct
        {
            UCHAR AlwaysOnTimer:1;                                          //0x0
            UCHAR HighLatency:1;                                            //0x0
            UCHAR PerCpuTimer:1;                                            //0x0
            UCHAR DynamicTickSupported:1;                                   //0x0
        };
    };
    ULONG KnownType;                                                        //0x4
    ULONG Capabilities;                                                     //0x8
    ULONGLONG MaxIncrement;                                                 //0x10
    ULONG MinIncrement;                                                     //0x18
};