throws ArtifactResolutionException, PluginVersionResolutionException, ArtifactNotFoundException,
                    InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException,
                    PluginNotFoundException, PluginVersionNotFoundException;

    Object getPluginComponent(Plugin plugin, String role, String roleHint)
            throws PluginManagerException, ComponentLookupException;

            PhaseRecorder phaseRecorder)
            throws LifecycleExecutionException {
        execute(session, mojoExecution, dependencyContext);
        phaseRecorder.observeExecution(mojoExecution);
    }

    private void execute(MavenSession session, MojoExecution mojoExecution, DependencyContext dependencyContext)
            throws LifecycleExecutionException {

    /**
     * Method write.
     *
     * @param writer a writer object.
     * @param coreExtensions a coreExtensions object.
     * @throws IOException IOException if any.
     */
    public void write(Writer writer, CoreExtensions coreExtensions) throws IOException {
        XmlSerializer serializer = new MXSerializer();
        serializer.setProperty("http://xmlpull.org/v1/doc/properties.html#serializer-indentation", "  ");

  private final OkHttpClient client;

  public CacheResponse(File cacheDirectory) throws Exception {
    int cacheSize = 10 * 1024 * 1024; // 10 MiB
    Cache cache = new Cache(cacheDirectory, cacheSize);

    client = new OkHttpClient.Builder()
        .cache(cache)
        .build();
  }

  public void run() throws Exception {
    Request request = new Request.Builder()

        public ModelSource resolveModel(Parent parent) throws UnresolvableModelException {
            return null;
        }

        @Override
        public ModelSource resolveModel(Dependency dependency) throws UnresolvableModelException {
            return null;
        }

        @Override
        public void addRepository(Repository repository) throws InvalidRepositoryException {}

        @Override

    }

    @Override
    public void addRepository(org.apache.maven.model.Repository repository) throws InvalidRepositoryException {
        addRepository(repository, false);
    }

    @Override
    public void addRepository(final Repository repository, boolean replace) throws InvalidRepositoryException {
        if (session.isIgnoreArtifactDescriptorRepositories()) {
            return;
        }

    }

    public void initTreeProcessing(PlexusContainer plexus) throws ComponentLookupException {
        classpathTransformation = plexus.lookup(ClasspathTransformation.class);
        conflictResolver = plexus.lookup(GraphConflictResolver.class);
    }
    // ----------------------------------------------------------------------------
    public MetadataGraph getGraph() throws MetadataResolutionException {

            throws ModelInterpolationException {
        StringWriter sWriter = new StringWriter(1024);

        MavenStaxWriter writer = new MavenStaxWriter();
        try {
            writer.write(sWriter, model.getDelegate());
        } catch (IOException | XMLStreamException e) {

        this.resolutionErrorHandler = resolutionErrorHandler;
    }

    @Override
    public Set<Artifact> resolve(MavenProject project, Collection<String> scopesToResolve, MavenSession session)
            throws ArtifactResolutionException, ArtifactNotFoundException {
        return resolve(Collections.singleton(project), scopesToResolve, session);
    }

    @Override
    public Set<Artifact> resolve(

        this.repositorySystem = repositorySystem;
    }

    @Override
    public MavenExecutionRequest populateFromToolchains(MavenExecutionRequest request, PersistedToolchains toolchains)
            throws MavenExecutionRequestPopulationException {
        if (toolchains != null) {
            Map<String, List<ToolchainModel>> groupedToolchains = new HashMap<>(2);