/**
     * Default constructor.
     */
    public MojoDescriptor() {
        this.parameters = new ArrayList<>();
        setInstantiationStrategy(DEFAULT_INSTANTIATION_STRATEGY);
        setComponentFactory(DEFAULT_LANGUAGE);
    }

    public MojoDescriptor(PluginDescriptor pd, org.apache.maven.api.plugin.descriptor.MojoDescriptor md) {
        this();
        this.setPluginDescriptor(pd);

    public static final MojoDescriptor TEST_COMPILE = createMojoDescriptor("test-compile");

    public static final MojoDescriptor PROCESS_TEST_RESOURCES = createMojoDescriptor("process-test-resources");

    public static final MojoDescriptor PROCESS_RESOURCES = createMojoDescriptor("process-resources");

    public static final MojoDescriptor COMPILE = createMojoDescriptor("compile", true);

    @SuppressWarnings({"unchecked", "rawtypes"})
    public List<MojoDescriptor> getMojos() {
        return (List) getComponents();
    }

    public void addMojo(MojoDescriptor mojoDescriptor) throws DuplicateMojoDescriptorException {
        MojoDescriptor existing = null;
        // this relies heavily on the equals() and hashCode() for ComponentDescriptor,

        Set<MojoDescriptor> descriptors = new HashSet<>(mojoExecutions.size());

        for (MojoExecution execution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = fillMojoDescriptor(session, project, execution);
            descriptors.add(mojoDescriptor);
        }

        return descriptors;
    }

    @Test
    void testMissingRequiredStringArrayTypeParameter() {
        MojoDescriptor mojoDescriptor = new MojoDescriptor();
        mojoDescriptor.setGoal("goal");
        PluginDescriptor pluginDescriptor = new PluginDescriptor();
        pluginDescriptor.setGoalPrefix("goalPrefix");
        pluginDescriptor.setArtifactId("artifactId");
        mojoDescriptor.setPluginDescriptor(pluginDescriptor);

    private String pluginKey(String groupId, String artifactId, String version) {
        return groupId + ":" + artifactId + ":" + version;
    }

    private String pluginKey(MojoDescriptor mojoDescriptor) {
        PluginDescriptor pd = mojoDescriptor.getPluginDescriptor();
        return pluginKey(pd.getGroupId(), pd.getArtifactId(), pd.getVersion());
    }

    private String pluginKey(Artifact pluginArtifact) {

    }

    public static MojoDescriptor createMojoDescriptor(Plugin plugin) {
        final PluginDescriptor descriptor = new PluginDescriptor();
        descriptor.setGroupId(plugin.getGroupId());
        descriptor.setArtifactId(plugin.getArtifactId());
        descriptor.setPlugin(plugin);
        descriptor.setVersion(plugin.getVersion());
        final MojoDescriptor mojoDescriptor = new MojoDescriptor();

        for (MojoExecution mojoExecution : mojoExecutions) {
            MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();

            scopesToResolve.addAll(toScopes(mojoDescriptor.getDependencyResolutionRequired()));

            scopesToCollect.addAll(toScopes(mojoDescriptor.getDependencyCollectionRequired()));
        }
    }

            MojoDescriptor mojoDescriptor = execution.getMojoDescriptor();
            PluginDescriptor pluginDescriptor = mojoDescriptor.getPluginDescriptor();
            String forkedGoal = mojoDescriptor.getExecuteGoal();
            String phase = mojoDescriptor.getExecutePhase();
            // We have a fork goal

        PluginDescriptor pluginDescriptor = getPluginDescriptor(plugin, repositories, session);

        MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo(goal);

        if (mojoDescriptor == null) {
            throw new MojoNotFoundException(goal, pluginDescriptor);
        }

        return mojoDescriptor;
    }

    @Override