Trk::IVertexTrackDensityEstimator Node1 Trk::IVertexTrackDensity Estimator + DeclareInterfaceID() + ~IVertexTrackDensityEstimator() + globalMaximum() + globalMaximum() + globalMaximum() + globalMaximumWithWidth() + globalMaximum() Node2 IAlgTool Node2->Node1