Pluto is the Reference Implementation of the Java Portlet Specfication.
'org.apache.pluto:pluto-portal:1.1.6'
<dependency>
<groupId>org.apache.pluto</groupId>
<artifactId>pluto-portal</artifactId>
<version>1.1.6</version>
</dependency>
<dependency org="org.apache.pluto" name="pluto-portal" rev="1.1.6"/>
"org.apache.pluto", "pluto-portal", "1.1.6"