(cEdgeCompanionBase: StringAdd).self
(cEdgeCompanionBase: StringFormat).self
(cEdgeCompanionBase: OuterNode[CEdgeCompanionBase[E]]).toString()
(cEdgeCompanionBase: ArrowAssoc[CEdgeCompanionBase[E]]).x
(Since version 2.10.0) Use leftOfArrow instead
(cEdgeCompanionBase: Ensuring[CEdgeCompanionBase[E]]).x
(Since version 2.10.0) Use resultOfEnsuring instead