'javax.portlet:portlet-api:2.0-r12'
<dependency>
<groupId>javax.portlet</groupId>
<artifactId>portlet-api</artifactId>
<version>2.0-r12</version>
</dependency>
<dependency org="javax.portlet" name="portlet-api" rev="2.0-r12"/>
"javax.portlet", "portlet-api", "2.0-r12"