(successfulAuthentication: StringAdd).self
(successfulAuthentication: StringFormat).self
(successfulAuthentication: ArrowAssoc[SuccessfulAuthentication]).x
(Since version 2.10.0) Use leftOfArrow
instead
(successfulAuthentication: Ensuring[SuccessfulAuthentication]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
A successful authentication result.