Drools Expert is the rule engine and Drools Fusion does complex event processing (CEP).
'org.drools:kiefilesystem-example:6.0.0.Alpha9'
<dependency>
<groupId>org.drools</groupId>
<artifactId>kiefilesystem-example</artifactId>
<version>6.0.0.Alpha9</version>
</dependency>
<dependency org="org.drools" name="kiefilesystem-example" rev="6.0.0.Alpha9"/>
"org.drools", "kiefilesystem-example", "6.0.0.Alpha9"