'org.jruby.extras:jffi:0.6.0.2'
<dependency>
<groupId>org.jruby.extras</groupId>
<artifactId>jffi</artifactId>
<version>0.6.0.2</version>
</dependency>
<dependency org="org.jruby.extras" name="jffi" rev="0.6.0.2"/>
"org.jruby.extras", "jffi", "0.6.0.2"