'com.vaadin.external.atmosphere:atmosphere-gwt:1.0.18.vaadin1'
<dependency>
<groupId>com.vaadin.external.atmosphere</groupId>
<artifactId>atmosphere-gwt</artifactId>
<version>1.0.18.vaadin1</version>
</dependency>
<dependency org="com.vaadin.external.atmosphere" name="atmosphere-gwt" rev="1.0.18.vaadin1"/>
"com.vaadin.external.atmosphere", "atmosphere-gwt", "1.0.18.vaadin1"