target_sources(
    ActsCore
    PRIVATE
        AdaptiveGridTrackDensity.cpp
        KalmanVertexUpdater.cpp
        KalmanVertexUpdaterImpl3.cpp
        KalmanVertexUpdaterImpl4.cpp
        FsmwMode1dFinder.cpp
        VertexingError.cpp
        IterativeVertexFinder.cpp
        AdaptiveMultiVertexFitter.cpp
        AdaptiveGridDensityVertexFinder.cpp
        ZScanVertexFinder.cpp
        HelicalTrackLinearizer.cpp
        FullBilloirVertexFitter.cpp
        AdaptiveMultiVertexFinder.cpp
        Vertex.cpp
        NumericalTrackLinearizer.cpp
        TrackDensityVertexFinder.cpp
        GaussianTrackDensity.cpp
        ImpactPointEstimator.cpp
        GaussianGridTrackDensity.cpp
        GridDensityVertexFinder.cpp
)
