'org.wicketstuff:push-parent:6.20.0'
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>push-parent</artifactId>
<version>6.20.0</version>
</dependency>
<dependency org="org.wicketstuff" name="push-parent" rev="6.20.0"/>
"org.wicketstuff", "push-parent", "6.20.0"