JetVar::VariableAtt< std::vector< T > > Node1 JetVar::VariableAtt < std::vector< T > > + m_acc + s_dummy + VariableAtt() + name() + isVector() + value() + vector() Node2 JetVar::Variable + m_name + m_scale + m_index + Variable() + ~Variable() + value() + isVector() + vector() + name() + scale() + setScale() + create() Node2->Node1