akka.http.model.headers.CacheDirectives
(max-age: StringAdd).self
(max-age: StringFormat).self
(max-age: ArrowAssoc[max-age]).x
(Since version 2.10.0) Use leftOfArrow
instead
(max-age: Ensuring[max-age]).x
(Since version 2.10.0) Use resultOfEnsuring
instead