(tuple2ExtensionMethods: StringAdd).self
(tuple2ExtensionMethods: StringFormat).self
(tuple2ExtensionMethods: ArrowAssoc[Tuple2ExtensionMethods[T1, T2]]).x
(Since version 2.10.0) Use leftOfArrow instead
(tuple2ExtensionMethods: Ensuring[Tuple2ExtensionMethods[T1, T2]]).x
(Since version 2.10.0) Use resultOfEnsuring instead