Graphical Class Hierarchy Node0 Monitored::HistogramFiller Node1 Monitored::HistogramFiller1D Node0->Node1 Node4 Monitored::HistogramFiller2 DGeneric< H > Node0->Node4 Node5 Monitored::HistogramFiller2 DProfile Node0->Node5 Node6 Monitored::HistogramFiller Efficiency Node0->Node6 Node7 Monitored::HistogramFillerTree Node0->Node7 Node2 Monitored::CumulativeHistogram Filler1D Node1->Node2 Node3 Monitored::VecHistogramFiller1D Node1->Node3