akka.remote.transport.TestTransport
(writeAttempt: StringAdd).self
(writeAttempt: StringFormat).self
(writeAttempt: ArrowAssoc[WriteAttempt]).x
(Since version 2.10.0) Use leftOfArrow
instead
(writeAttempt: Ensuring[WriteAttempt]).x
(Since version 2.10.0) Use resultOfEnsuring
instead