Latest version of org.eclipse.jetty.websocket:websocket-api
https://javadoc.io/doc/org.eclipse.jetty.websocket/websocket-api
Current version 9.2.20.v20161216
https://javadoc.io/doc/org.eclipse.jetty.websocket/websocket-api/9.2.20.v20161216
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.eclipse.jetty.websocket/websocket-api/9.2.20.v20161216/package-list