notes/pl/java/libfws/spring/cloud/stream/feature/annotations.txt

https://javadoc.io/doc/org.springframework.cloud/spring-cloud-stream/latest/org/springframework/cloud/stream/annotation/package-summary.html
https://javadoc.io/doc/org.springframework.cloud/spring-cloud-stream/latest/org/springframework/cloud/stream/annotation/StreamListener.html
      (target = MyProcessor.INPUT, condition = "payload < 10")