Variable TrackConst

Track: TObject<
    {
        _attributes: TOptional<
            TObject<
                {
                    course: TOptional<TString>;
                    eCourse: TOptional<TString>;
                    eSlope: TOptional<TString>;
                    eSpeed: TOptional<TString>;
                    slope: TOptional<TString>;
                    speed: TOptional<TString>;
                },
            >,
        >;
    },
> = ...