public static VespaRefeedAction of(ClusterSpec.Id id, ValidationId validationId, String message) {
        return new VespaRefeedAction(id, validationId, message, List.of(), "");
    }
Creates a refeed action with some missing information
config-model/src/main/java/com/yahoo/vespa/model/application/validation/change/VespaRefeedAction.java