(hintString: StringAdd).self
(hintString: StringFormat).self
(Since version 0.20.3) No longer a case class
(hintString: ArrowAssoc[HintString]).x
(Since version 2.10.0) Use leftOfArrow
instead
(hintString: Ensuring[HintString]).x
(Since version 2.10.0) Use resultOfEnsuring
instead