*/
    Collection<Alias> aliases();

    /**
     * Pre-ordered list of phases.
     * If not provided, a default order will be computed.
     */
    default Optional<List<String>> orderedPhases() {
        return Optional.empty();
    }

    /**
     * A phase in the lifecycle.
     *
     * A phase is identified by its name. It also contains a list of plugins bound to that phase,

        Collections.reverse(allPhases);
        List<String> computed =
                allPhases.stream().filter(s -> !s.startsWith("$")).collect(Collectors.toList());
        List<String> given = lifecycle.orderedPhases().orElse(null);
        if (given != null) {
            if (given.size() != computed.size()) {
                Set<String> s1 =