(edgeParam: OuterNode[EdgeParam]).isEdge
(edgeParam: OuterNode[EdgeParam]).isNode
(edgeParam: StringAdd).self
(edgeParam: StringFormat).self
(edgeParam: OuterNode[EdgeParam]).toString()
(edgeParam: ArrowAssoc[EdgeParam]).x
(Since version 2.10.0) Use leftOfArrow
instead
(edgeParam: Ensuring[EdgeParam]).x
(Since version 2.10.0) Use resultOfEnsuring
instead