You can use this artifact to extend Ambisafe Keyserver.
'co.ambisafe:keyserver-sdk:0.9.4'
<dependency>
<groupId>co.ambisafe</groupId>
<artifactId>keyserver-sdk</artifactId>
<version>0.9.4</version>
</dependency>
<dependency org="co.ambisafe" name="keyserver-sdk" rev="0.9.4"/>
"co.ambisafe", "keyserver-sdk", "0.9.4"