(pollDispatcher: StringAdd).self
(pollDispatcher: StringFormat).self
(pollDispatcher: ArrowAssoc[PollDispatcher]).x
(Since version 2.10.0) Use leftOfArrow
instead
(pollDispatcher: Ensuring[PollDispatcher]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
An option containing the configuration key for the poller loop dispatcher