CP::FlowElementPtr Node1 CP::FlowElementPtr + weight + FlowElementPtr() + FlowElementPtr() + operator<() Node2 CP::SortedObjPtr< xAOD ::FlowElement > - m_ptr + SortedObjPtr() + SortedObjPtr() + get() + operator->() + operator*() + operator!() + operator bool() + operator const xAOD ::FlowElement *() + operator<() Node2->Node1