'org.eclipse.jetty.websocket:websocket-mux-extension:9.1.0.RC1'
<dependency>
<groupId>org.eclipse.jetty.websocket</groupId>
<artifactId>websocket-mux-extension</artifactId>
<version>9.1.0.RC1</version>
</dependency>
<dependency org="org.eclipse.jetty.websocket" name="websocket-mux-extension" rev="9.1.0.RC1"/>
"org.eclipse.jetty.websocket", "websocket-mux-extension", "9.1.0.RC1"