'org.eclipse.jetty.websocket:websocket-api:9.0.0.M4'
<dependency>
<groupId>org.eclipse.jetty.websocket</groupId>
<artifactId>websocket-api</artifactId>
<version>9.0.0.M4</version>
</dependency>
<dependency org="org.eclipse.jetty.websocket" name="websocket-api" rev="9.0.0.M4"/>
"org.eclipse.jetty.websocket", "websocket-api", "9.0.0.M4"