(sparkStreamingActor: StringAdd).self
(sparkStreamingActor: StringFormat).self
(sparkStreamingActor: ArrowAssoc[SparkStreamingActor]).x
(Since version 2.10.0) Use leftOfArrow instead
(sparkStreamingActor: Ensuring[SparkStreamingActor]).x
(Since version 2.10.0) Use resultOfEnsuring instead
Simple akka.actor.Actor mixin to implement further with Spark 1.0.1 upgrade.