(boundedMailbox: StringAdd).self
(boundedMailbox: StringFormat).self
(boundedMailbox: ArrowAssoc[BoundedMailbox]).x
(Since version 2.10.0) Use leftOfArrow
instead
(boundedMailbox: Ensuring[BoundedMailbox]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
BoundedMailbox is the default bounded MailboxType used by Akka Actors.