XBean is a plugin based server archtecutre.
'xbean:xbean-kernel:2.0'
<dependency>
<groupId>xbean</groupId>
<artifactId>xbean-kernel</artifactId>
<version>2.0</version>
</dependency>
<dependency org="xbean" name="xbean-kernel" rev="2.0"/>
"xbean", "xbean-kernel", "2.0"