(gossipEnvelope: StringAdd).self
(gossipEnvelope: StringFormat).self
(gossipEnvelope: ArrowAssoc[GossipEnvelope]).x
(Since version 2.10.0) Use leftOfArrow
instead
(gossipEnvelope: Ensuring[GossipEnvelope]).x
(Since version 2.10.0) Use resultOfEnsuring
instead