See the child project "simile-timeline" for a more complete description. This is the parent for the actual project and the examples.
'org.wicketstuff:simile-timeline-parent:1.4.21'
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>simile-timeline-parent</artifactId>
<version>1.4.21</version>
</dependency>
<dependency org="org.wicketstuff" name="simile-timeline-parent" rev="1.4.21"/>
"org.wicketstuff", "simile-timeline-parent", "1.4.21"