Graphical Class Hierarchy Node5501 PropertyWithHandlers Node0 SG::VarHandleKeyArrayProperty Node5501->Node0 Node1 Gaudi::Property< SG ::ReadHandleKeyArray < T > & > Node0->Node1 Node2 Gaudi::Property< SG ::VarHandleKeyArray & > Node0->Node2 Node3 Gaudi::Property< SG ::WriteHandleKeyArray < T > & > Node0->Node3