<dependency>
<groupId>org.webjars.bowergithub.vaadin</groupId>
<artifactId>vaadin-item</artifactId>
<version>2.3.0-alpha1</version>
</dependency>
@Grapes(
@Grab(group='org.webjars.bowergithub.vaadin', module='vaadin-item', version='2.3.0-alpha1')
)
<dependency org="org.webjars.bowergithub.vaadin" name="vaadin-item" rev="2.3.0-alpha1" />