Wicketstuff core modules that can be built using java 6.
'org.wicketstuff:wicketstuff-closure-compiler:6.2.0'
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>wicketstuff-closure-compiler</artifactId>
<version>6.2.0</version>
</dependency>
<dependency org="org.wicketstuff" name="wicketstuff-closure-compiler" rev="6.2.0"/>
"org.wicketstuff", "wicketstuff-closure-compiler", "6.2.0"