**DO NOT MERGE YET**. There is need to provide tests on the matter. (S)FTP Tests * Add test cases for (s)ftp components based on embedded (S)FtpServers * Upgrade some dependencies * Fix bug in the `IntegrationFlowBeanPostProcessor` for the registration internal (a result of `MessageSourceSpec`) as a bean in the AC
Spring Integration Java DSL
See the Spring Integration Java DSL Reference for more info.