The Enunciate GWT module generates the artifacts to support the GWT JSON Overlays for the JSON API data.
'com.webcohesion.enunciate:enunciate-gwt-json-overlay:2.0.0-M.4'
<dependency>
<groupId>com.webcohesion.enunciate</groupId>
<artifactId>enunciate-gwt-json-overlay</artifactId>
<version>2.0.0-M.4</version>
</dependency>
<dependency org="com.webcohesion.enunciate" name="enunciate-gwt-json-overlay" rev="2.0.0-M.4"/>
"com.webcohesion.enunciate", "enunciate-gwt-json-overlay", "2.0.0-M.4"