presto-main/src/main/java/io/prestosql/server/PluginManager.java/PluginManager/sortedArtifacts
class PluginManager:    private static List<Artifact> sortedArtifacts(List<Artifact> artifacts)
    {
        List<Artifact> list = new ArrayList<>(artifacts);
        Collections.sort(list, Ordering.natural().nullsLast().onResultOf(Artifact::getFile));
        return list;
    }