'org.eclipse.jetty.websocket:websocket-api:9.3.0.M2'
<dependency>
<groupId>org.eclipse.jetty.websocket</groupId>
<artifactId>websocket-api</artifactId>
<version>9.3.0.M2</version>
</dependency>
<dependency org="org.eclipse.jetty.websocket" name="websocket-api" rev="9.3.0.M2"/>
"org.eclipse.jetty.websocket", "websocket-api", "9.3.0.M2"