Gaudi::Property< SG::WriteHandle< T > & > Node1 Gaudi::Property< SG ::WriteHandle< T > & > + Property() + ~Property() Node2 SG::VarHandleKeyProperty - m_pValue + VarHandleKeyProperty() + operator=() + clone() + load() + assign() + toString() + toStream() + fromString() + value() + setValue() Node2->Node1 Node3 DataHandleProperty Node3->Node2