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Created Apr 18, 2017
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val source = Source(List(ByteString("abc"), ByteString("def")))
val proxyStage = new NeutralGraphStage
val proxyFlow = BidiFlow.fromGraph(proxyStage)
val transport = Flow[ByteString].map(bs => bs)
source.via(proxyFlow.join(transport)).runForeach(element => println("Sink received: " + element.utf8String))
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