Additional artifacts supporting jetty from the server or client side.
'org.mortbay.jetty:cometd-api:7.0.0pre2'
<dependency>
<groupId>org.mortbay.jetty</groupId>
<artifactId>cometd-api</artifactId>
<version>7.0.0pre2</version>
</dependency>
<dependency org="org.mortbay.jetty" name="cometd-api" rev="7.0.0pre2"/>
"org.mortbay.jetty", "cometd-api", "7.0.0pre2"