How to use Smack snapshots

Smack Snapshots on Maven Central

repositories {
     maven {
         url 'https://oss.sonatype.org/content/repositories/snapshots/'
     }
}

smackVersion = '4.2.2-SNAPSHOT'

Unique Smack Snapshots on the Ignite Realtime Maven Repository

repositories {
     maven {
         url 'http://igniterealtime.org/repo/'
     }
}

TODO: Explain version handling for unique snapshot artifacts.