(typedStreamingActor: StringAdd).self
(typedStreamingActor: StringFormat).self
(typedStreamingActor: ArrowAssoc[TypedStreamingActor[T]]).x
(Since version 2.10.0) Use leftOfArrow instead
(typedStreamingActor: Ensuring[TypedStreamingActor[T]]).x
(Since version 2.10.0) Use resultOfEnsuring instead