StreamConverters.javaCollector
Create a sink which materializes into a Future CompletionStage which will be completed with a result of the Java 8 Collector transformation and reduction operations.
Additional Sink and Source converters
Signature
StreamConverters.javaCollectorStreamConverters.javaCollector
Description
TODO: We would welcome help on contributing descriptions and examples, see: https://github.com/akka/akka/issues/25646