Class Dictionary Graph Vertex List ConstVertex 2 A { 1 1 } Incoming Outgoing 1 TermVertex 1 B { 1 1 } Incoming 1 Outgoing Edge List ConstEdge asdf 1 1 ConstVertex 2 A { 1 1 } Incoming Outgoing 1 PortNo 1 TermVertex 1 B { 1 1 } Incoming 1 Outgoing PortNo 1