'org.nakedobjects:metamodel:4.0-alpha-2'
<dependency>
<groupId>org.nakedobjects</groupId>
<artifactId>metamodel</artifactId>
<version>4.0-alpha-2</version>
</dependency>
<dependency org="org.nakedobjects" name="metamodel" rev="4.0-alpha-2"/>
"org.nakedobjects", "metamodel", "4.0-alpha-2"