'org.graylog2:graylog2-radio:0.21.0-beta2'
<dependency>
<groupId>org.graylog2</groupId>
<artifactId>graylog2-radio</artifactId>
<version>0.21.0-beta2</version>
</dependency>
<dependency org="org.graylog2" name="graylog2-radio" rev="0.21.0-beta2"/>
"org.graylog2", "graylog2-radio", "0.21.0-beta2"