(boxedAnyVal: StringAdd).self
(boxedAnyVal: StringFormat).self
(boxedAnyVal: ArrowAssoc[BoxedAnyVal[A]]).x
(Since version 2.10.0) Use leftOfArrow instead
(boxedAnyVal: Ensuring[BoxedAnyVal[A]]).x
(Since version 2.10.0) Use resultOfEnsuring instead