4.0.0 io.spring.dataflow.sample usage-cost-stream-sample 0.0.1-SNAPSHOT .. usage-cost-processor usage-cost-processor Demo project for Spring Boot org.springframework.cloud spring-cloud-stream org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-actuator org.springframework.boot spring-boot-starter-test test org.springframework.cloud spring-cloud-stream test-jar test-binder test