if (this.phases == null) {
            this.phases = new java.util.ArrayList<Phase>();
        }

        return this.phases;
    } // -- java.util.List<Phase> getPhases()

    /**
     * Method removePhase.
     *
     * @param phase a phase object.
     */
    public void removePhase(Phase phase) {
        getPhases().remove(phase);
    } // -- void removePhase( Phase )

    /**

        Map<String, Lifecycle> phaseToLifecycleMap = new HashMap<>();

        for (Lifecycle lifecycle : getLifeCycles()) {
            for (String phase : lifecycle.getPhases()) {
                // The first definition wins.
                Lifecycle original = phaseToLifecycleMap.put(phase, lifecycle);
                if (original != null && logger.isWarnEnabled()) {

    public String getId() {
        return id;
    }

    public org.apache.maven.api.Lifecycle getDelegate() {
        return lifecycle;
    }

    public List<String> getPhases() {
        return phases;
    }

    static Map<String, LifecyclePhase> getDefaultPhases(org.apache.maven.api.Lifecycle lifecycle) {
        Map<String, List<String>> goals = new HashMap<>();

                    return lifecycle.getId();
                }

                @Override
                public Collection<Phase> phases() {
                    List<String> names = lifecycle.getPhases();
                    List<Phase> phases = new ArrayList<>();
                    for (int i = 0; i < names.size(); i++) {
                        String name = names.get(i);

        assertTrue(md.isInheritedByDefault());
        assertFalse(md.isOnlineRequired());
        assertTrue(md.isProjectRequired());
        assertFalse(md.isThreadSafe());
        assertEquals("package", md.getPhase());
        assertEquals("org.apache.maven.plugin.jar.JarMojo", md.getImplementation());
        assertEquals("antrun", md.getComponentConfigurator());
        assertEquals("java", md.getLanguage());

        this.setDependencyResolutionRequired(md.getDependencyResolution());
        this.setComponentConfigurator(md.getConfigurator());
        this.setInheritedByDefault(md.isInheritedByDefault());
        this.setPhase(md.getPhase());
        this.setOnlineRequired(md.isOnlineRequired());
        this.setProjectRequired(md.isProjectRequired());
        this.setSince(md.getSince());
        this.setThreadSafe(true);