this.id = lifecycle.id();
        this.phases = registry.computePhases(lifecycle);
        this.defaultPhases = getDefaultPhases(lifecycle);
    }

    // <lifecycle>
    //   <id>clean</id>
    //   <phases>
    //     <phase>pre-clean</phase>
    //     <phase>clean</phase>
    //     <phase>post-clean</phase>
    //   </phases>
    //   <default-phases>

            return Collections.emptyMap();
        }

        Map<String, String> phases = new LinkedHashMap<>();
        for (Map.Entry<String, LifecyclePhase> e : lphases.entrySet()) {
            phases.put(e.getKey(), e.getValue().toString());
        }
        return phases;
    }

    @Deprecated
    public void setPhases(Map<String, String> phases) {
        Map<String, LifecyclePhase> lphases = new LinkedHashMap<>();

     *
     * @return the unique identifier for this lifecycle
     */
    @Override
    String id();

    /**
     * Collection of phases for this lifecycle
     */
    Collection<Phase> phases();

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