'excalibur:excalibur-event:2.0'
<dependency>
<groupId>excalibur</groupId>
<artifactId>excalibur-event</artifactId>
<version>2.0</version>
</dependency>
<dependency org="excalibur" name="excalibur-event" rev="2.0"/>
"excalibur", "excalibur-event", "2.0"