examples/org.eclipse.ocl.examples.build/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
	<extension point="org.eclipse.m2m.qvt.oml.javaBlackboxUnits">
   		<unit name="ExampleJavaLib" namespace="m2m.qvt.oml">
    		<library name="BlackBoxLibrary" class="org.eclipse.ocl.examples.build.qvto.BlackBoxLibrary">
    			<metamodel nsURI="http://www.eclipse.org/emf/2002/Ecore"/>
    		</library>
		</unit>
	</extension>
</plugin>