public Path rotatedIn(FileSystem fileSystem, Instant instant) {
        LocalDateTime dateTime = LocalDateTime.ofInstant(instant, ZoneOffset.UTC);
        return fileSystem.getPath(path + "-" + ROTATED_SUFFIX_FORMAT.format(dateTime));
    }
Returns the rotated path of this with given instant, bound to given file system
routing-generator/src/main/java/com/yahoo/vespa/hosted/routing/nginx/NginxPath.java