'org.igniterealtime.smack:smackx:3.1.0'
<dependency>
<groupId>org.igniterealtime.smack</groupId>
<artifactId>smackx</artifactId>
<version>3.1.0</version>
</dependency>
<dependency org="org.igniterealtime.smack" name="smackx" rev="3.1.0"/>
"org.igniterealtime.smack", "smackx", "3.1.0"