'org.apache.struts:struts2-parent:2.2.3.1'
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-parent</artifactId>
<version>2.2.3.1</version>
</dependency>
<dependency org="org.apache.struts" name="struts2-parent" rev="2.2.3.1"/>
"org.apache.struts", "struts2-parent", "2.2.3.1"