'org.apache.struts:struts2-bom:2.3.20'
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-bom</artifactId>
<version>2.3.20</version>
</dependency>
<dependency org="org.apache.struts" name="struts2-bom" rev="2.3.20"/>
"org.apache.struts", "struts2-bom", "2.3.20"