https://docs.spring.io/spring-integration/api/org/springframework/integration/dsl/IntegrationFlows.html
    Deprecated, for removal:
        This API element is subject to removal in a future version.
        since version 6.0 in favor of fluent API methods straight from IntegrationFlow interface.


https://docs.spring.io/spring-integration/api/org/springframework/integration/dsl/IntegrationFlow.html