Wicketstuff core modules that can be built using java 6.
'org.wicketstuff:wicketstuff-googlecharts:6.4.0'
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>wicketstuff-googlecharts</artifactId>
<version>6.4.0</version>
</dependency>
<dependency org="org.wicketstuff" name="wicketstuff-googlecharts" rev="6.4.0"/>
"org.wicketstuff", "wicketstuff-googlecharts", "6.4.0"