Integration with the RxJava library - https://github.com/ReactiveX/RxJava
'io.ratpack:ratpack-rx:1.2.0'
<dependency> <groupId>io.ratpack</groupId> <artifactId>ratpack-rx</artifactId> <version>1.2.0</version> </dependency>
<dependency org="io.ratpack" name="ratpack-rx" rev="1.2.0"/>
"io.ratpack", "ratpack-rx", "1.2.0"