<dependency>
<groupId>org.sakaiproject.hierarchy</groupId>
<artifactId>hierarchy-api</artifactId>
<version>20.5</version>
</dependency>
@Grapes(
@Grab(group='org.sakaiproject.hierarchy', module='hierarchy-api', version='20.5')
)
<parent> <groupId>org.sakaiproject</groupId> <artifactId>hierarchy</artifactId> <version>20.5</version> </parent>