documentation/manual/working/javaGuide/main/logging/code/javaguide/logging/JavaMarkerController.java
private Marker requestMarker(Http.Request request) {
    return append("host", request.host()).and(append("path", request.path()));
  }
private Marker requestMarker(Http.Request request) {
    return append("host", request.host()).and(append("path", request.path()));
  }
###insert: import static net.logstash.logback.marker.Markers.append;