}
        return result;
    }

    @Override
    public LocalArtifactResult find(RepositorySystemSession session, LocalArtifactRequest request) {
        String path = getPathForLocalArtifact(request.getArtifact());
        File file = new File(getRepository().getBasedir(), path);

        LocalArtifactResult result = new LocalArtifactResult(request);
        if (file.isFile()) {
            result.setFile(file);

        ArtifactCoordinates getCoordinates();

        /**
         * Returns the resolved artifact.
         *
         * @return The {@link DownloadedArtifact} instance.
         */
        DownloadedArtifact getArtifact();

        /**
         * Returns a mapping of repositories to the exceptions encountered while resolving the artifact.
         *

        return Collections.singletonList(new DefaultArtifactVersion("10.1.3"));
    }

    @Override
    public ResolutionGroup retrieve(MetadataResolutionRequest request) {
        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

        MavenSession session = createMavenSession(pom, eps);
        MavenProject project = session.getCurrentProject();

        project.setArtifacts(resolver.resolve(project, Collections.singleton(Artifact.SCOPE_COMPILE), session));

        List<String> elements = project.getCompileClasspathElements();
        assertEquals(2, elements.size());

 */
@Experimental
@Immutable
@Provider
public interface Node {

    /**
     * @return artifact for this node
     */
    @Nullable
    Artifact getArtifact();

    /**
     * @return dependency for this node
     */
    @Nullable
    Dependency getDependency();

    /**
     * Gets the child nodes of this node.
     *

    // POST /api/admin/plugin
    @Execute
    public JsonResponse<ApiResult> post$index(final InstallBody body) {
        validateApi(body, messages -> {});
        final Artifact artifact = ComponentUtil.getPluginHelper().getArtifact(body.name, body.version);
        if (artifact == null) {
            return asJson(
                    new ApiResult.ApiErrorResponse().message("invalid name or version").status(ApiResult.Status.BAD_REQUEST).result());

    @Inject
    private UpdateCheckManager updateCheckManager;

    @Inject
    private LegacySupport legacySupport;

    //
    // Retriever
    //
    @Override
    public void getArtifact(
            Artifact artifact, ArtifactRepository repository, TransferListener downloadMonitor, boolean force)
            throws TransferFailedException, ResourceDoesNotExistException {

                artifact.getClassifier(),
                remoteRepositories,
                artifact.getDependencyTrail(),
                t);
        this.artifact = artifact;
    }

    public Artifact getArtifact() {
        return artifact;
    }

    public String getGroupId() {
        return groupId;
    }

    public String getArtifactId() {
        return artifactId;
    }

    }

    public Set<Artifact> getArtifacts() {
        if (artifacts == null) {
            artifacts = new LinkedHashSet<>();
        }

        return artifacts;
    }

    public void setArtifacts(Set<Artifact> artifacts) {
        this.artifacts = artifacts;
    }

    public Set<ResolutionNode> getArtifactResolutionNodes() {
        if (resolutionNodes == null) {

        return item;
    }

    private Artifact getArtifactFromInstallForm(final InstallForm form) {
        final String[] values = form.id.split(":");
        return ComponentUtil.getPluginHelper().getArtifact(values[0], values[1]);
    }

    /**
     * Installs the specified artifact in a background thread.
     * Also removes any previously installed versions of the same plugin.
     *