The CometD project is a scalable web messaging bus that uses WebSocket and HTTP AJAX push technology patterns known as "Comet" techniques
'org.cometd.javascript:cometd-examples-dojo:3.0.0.beta2'
<dependency>
<groupId>org.cometd.javascript</groupId>
<artifactId>cometd-examples-dojo</artifactId>
<version>3.0.0.beta2</version>
</dependency>
<dependency org="org.cometd.javascript" name="cometd-examples-dojo" rev="3.0.0.beta2"/>
"org.cometd.javascript", "cometd-examples-dojo", "3.0.0.beta2"