Apache felix is an OSGi implementation.
'org.apache.felix:org.apache.felix.ipojo.handler.eventadmin:1.2.0'
<dependency>
<groupId>org.apache.felix</groupId>
<artifactId>org.apache.felix.ipojo.handler.eventadmin</artifactId>
<version>1.2.0</version>
</dependency>
<dependency org="org.apache.felix" name="org.apache.felix.ipojo.handler.eventadmin" rev="1.2.0"/>
"org.apache.felix", "org.apache.felix.ipojo.handler.eventadmin", "1.2.0"