anchor.diff:  NOTE: the sample consumer application above explicitly excludes
   `SleuthStreamAutoConfiguration` so it doesn't send messages to itself,
   but this is optional (you might actually want to trace requests into
  -the consumer app).+the consumer app).
  
positive.code: (e.g. `spring-cloud-starter-stream-rabbit` for RabbitMQ or
  `spring-cloud-starter-stream-kafka` for Kafka). This will
  automatically turn your app into a producer of messages with payload
  type `Spans`. A consumer can then easily be implemented using
  `spring-cloud-sleuth-stream` and binding to the `SleuthSink`. Example:
  
  [source,java]
  
negative.code: }
  ---- 
  
  == Spans Data as Messages
  
  You can accumulate and send span data over
  http://cloud.spring.io/spring-cloud-stream[Spring Cloud Stream] by
  