*/

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();
            ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();

            return version1.compareTo(version2) <= 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {

     */
    AuthenticationInfo getAuthenticationInfo(String id);

    ProxyInfo getProxy(String protocol);

    void getArtifact(Artifact artifact, ArtifactRepository repository)
            throws TransferFailedException, ResourceDoesNotExistException;

    void getArtifact(Artifact artifact, List<ArtifactRepository> remoteRepositories)
            throws TransferFailedException, ResourceDoesNotExistException;

     */

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();
            ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();

            return version1.compareTo(version2) > 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {

        depth = parent.depth + 1;
        parents = new ArrayList<>();
        parents.addAll(parent.parents);
        parents.add(parent.getKey());
        this.parent = parent;
    }

    public Artifact getArtifact() {
        return artifact;
    }

    public Object getKey() {
        return artifact.getDependencyConflictId();
    }

    public void addDependencies(

        return retrieve(request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());
    }

    @Override
    public List<ArtifactVersion> retrieveAvailableVersions(MetadataResolutionRequest request)
            throws ArtifactMetadataRetrievalException {
        return retrieveAvailableVersions(
                request.getArtifact(), request.getLocalRepository(), request.getRemoteRepositories());

        assertNull(pluginHelper.getArtifact(null, "1.0.0"));
        assertNull(pluginHelper.getArtifact("test", null));
        assertNull(pluginHelper.getArtifact("", "1.0.0"));
        assertNull(pluginHelper.getArtifact("test", ""));
    }

    public void test_isExcludedName_crawler() {
        assertTrue(pluginHelper.isExcludedName(ArtifactType.CRAWLER, "fess-crawler"));

    //
    // Retriever
    //
    void getArtifact(Artifact artifact, ArtifactRepository repository, TransferListener transferListener, boolean force)
            throws TransferFailedException, ResourceDoesNotExistException;

    void getArtifact(
            Artifact artifact,
            List<ArtifactRepository> remoteRepositories,

        this.project = project;

        artifact.setFile(project.getArtifact().getFile());
        artifact.setResolved(true);
    }

    /** {@inheritDoc} */
    @Override
    public File getFile() {
        // we need to get the latest file for the project, not the artifact that was created at one point in time
        return project.getArtifact().getFile();
    }

    /** {@inheritDoc} */
    @Override

        this.repositoryRequest = new DefaultRepositoryRequest(resolutionRequest);
    }

    @Override
    public Artifact getArtifact() {
        return artifact;
    }

    @Override
    public DefaultMetadataResolutionRequest setArtifact(Artifact artifact) {
        this.artifact = artifact;

        return this;
    }

    @Override
    public ArtifactRepository getLocalRepository() {

        printErrors(result);

        assertEquals(2, result.getArtifacts().size());

        assertTrue(result.getArtifacts().contains(g));

        assertTrue(result.getArtifacts().contains(h));

        assertLocalArtifactPresent(g);

        assertLocalArtifactPresent(h);
    }

    @Test
    void