plugins = Collections.emptySet();
        }

        return plugins;
    }

    private Plugin newPlugin(String artifactId, String... goals) {
        Plugin plugin = new Plugin();

        plugin.setGroupId("org.apache.maven.plugins");
        plugin.setArtifactId(artifactId);

        for (String goal : goals) {
            PluginExecution pluginExecution = new PluginExecution();

        Parent parent = new Parent();
        parent.setGroupId(parentProject.getGroupId());
        parent.setArtifactId(parentProject.getArtifactId());
        project.getModel().setParent(parent);
        return project;
    }

    private MavenProject getMavenProject(String artifactId) {
        MavenProject mavenProject = new MavenProject();
        mavenProject.setGroupId(GROUP_ID);
        mavenProject.setArtifactId(artifactId);

            //
            // groupId
            // artifactId
            // version
            // goal
            //
            plugin = new Plugin();
            plugin.setGroupId(tok[0]);
            plugin.setArtifactId(tok[1]);
            plugin.setVersion(tok[2]);
            goal = tok[3];

            // This won't be valid, but it constructs something easy to read in the error message

public interface TaskReportModel {
    String DEFAULT_GROUP = "";

    /**
     * Returns the task groups which make up this model, in the order that they should be displayed.
     */
    Set<String> getGroups();

    /**
     * Returns the tasks for the given group, in the order that they should be displayed.
     */
    Set<TaskDetails> getTasksForGroup(String group);

                FileCollection sources = component.getCppSource();
                xcodeProject.getGroups().getSources().from(sources);

                FileCollection headers = component.getHeaderFiles();
                xcodeProject.getGroups().getHeaders().from(headers);

                // TODO - should use the _install_ task for an executable

    public void mergeGroupId()
    {
        Model target = new Model();
        target.setGroupId( "TARGET" );

        Model source = new Model();
        source.setGroupId( "SOURCE" );

        modelMerger.merge( target, source, true, null );
        assertThat( target.getGroupId(), is( "SOURCE" ) );

        target.setGroupId( "TARGET" );
        modelMerger.merge( target, source, false, null );

        return groups.equals(that.groups);

    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public Set<String> getGroups() {
        return groups;
    }

    @Override
    public boolean excludes(ModuleIdentifier module) {
        return groups.contains(module.getGroup());
    }

    @Override

        Metadata metadata = new Metadata();
        metadata.setModelVersion("1.1.0");
        metadata.setGroupId(groupId);
        metadata.setArtifactId(artifactId);
        metadata.setVersion(version);

        Snapshot snapshot = new Snapshot();
        snapshot.setLocalCopy(true);

    public void execute(ProjectInternal project) {
        project.getTasks().register("javaToolchains", ShowToolchainsTask.class, task -> {
            task.setDescription("Displays the detected java toolchains.");
            task.setGroup(HelpTasksPlugin.HELP_GROUP);
            task.setImpliesSubProjects(true);
        });
    }

            init( af );
        }
        */
    }
    // ------------------------------------------------------------------
    //    public void init( ArtifactMetadata af )
    //    {
    //        setGroupId( af.getGroupId() );
    //        setArtifactId( af.getArtifactId() );
    //        setVersion( af.getVersion() );
    //        setType( af.getType() );
    //        setScope( af.getScope() );