'com.ning.billing.plugin:killbill-plugin-api:0.6.1'
<dependency>
<groupId>com.ning.billing.plugin</groupId>
<artifactId>killbill-plugin-api</artifactId>
<version>0.6.1</version>
</dependency>
<dependency org="com.ning.billing.plugin" name="killbill-plugin-api" rev="0.6.1"/>
"com.ning.billing.plugin", "killbill-plugin-api", "0.6.1"