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