2020
https://spring.io/blog/2020/04/07/spring-tips-the-spring-integration-kotlin-dsl
    https://www.youtube.com/watch?v=1llAwgOKjTY
2017
SpringDeveloper - ArtemBilan - Spring Integration 5.0: What's New? of 40:26
    https://www.youtube.com/watch?v=A9eDlMSTuE0
2016
SpringDeveloper - ArtemBilan - Spring Integration Java DSL 42:00 of 1:23:41
    https://www.youtube.com/watch?v=g6P0AJIN8ZI
    implements IntegrationFlowAdapter
        @Override
        protected IntegrationFlowDefinition<?> buildFlow() {
            return from(() -> new GenericMessage<>(applicationProperties),
                e -> e.poller(p -> p.trigger(this::nextDate))
            )
            .split(Files.splitter())
            .<String, Map<String, String>>transform(p -> {
                String []
            })
            .handle(mongoDbMh());
        }
SpringDeveloper - JoshLong - Spring Tips: A Gentle introduction to Spring Integration 0:00 of 38:50
    https://www.youtube.com/watch?v=MTKlk8_9aAw
2015
SpringDeveloper - GaryRussel - Webinar: Introducing the Java DSL for Spring Integration 0:00 of 1:10:27
    https://www.youtube.com/watch?v=W3ayvcnpO1A
    https://speakerdeck.com/garyrussell/spring-integration-java-dsl-a-deeper-dive
SpringDeveloper - GaryRussel - Spring Integration - Java Configuration and More 0:00 of 1:11:18
    https://www.youtube.com/watch?v=TSW33RXoJNc