The CometD project is a scalable HTTP-based event routing bus that uses the AJAX push technology pattern known as "Comet"
'org.cometd.java:bayeux-api:2.1.0'
<dependency>
<groupId>org.cometd.java</groupId>
<artifactId>bayeux-api</artifactId>
<version>2.1.0</version>
</dependency>
<dependency org="org.cometd.java" name="bayeux-api" rev="2.1.0"/>
"org.cometd.java", "bayeux-api", "2.1.0"