The Wicket project showcases one possible way to integrate the yav ajax framework. It is a a client side validation framework.
'org.wicketstuff:yav:1.4.13'
<dependency>
<groupId>org.wicketstuff</groupId>
<artifactId>yav</artifactId>
<version>1.4.13</version>
</dependency>
<dependency org="org.wicketstuff" name="yav" rev="1.4.13"/>
"org.wicketstuff", "yav", "1.4.13"