}
            }
        }

        return null;
    }

    public void getArtifact(Artifact artifact, ArtifactRepository repository)
            throws TransferFailedException, ResourceDoesNotExistException {
        getArtifact(artifact, repository, null, false);
    }

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

            if (request.getArtifact() instanceof ArtifactWithDependencies) {
                dependencies = ((ArtifactWithDependencies) request.getArtifact()).getDependencies();
            } else {
                Artifact pomArtifact = createProjectArtifact(
                        request.getArtifact().getGroupId(),
                        request.getArtifact().getArtifactId(),

        RepositoryMetadata metadata = new ArtifactRepositoryMetadata(request.getArtifact());

        try {
            repositoryMetadataManager.resolve(metadata, request);
        } catch (RepositoryMetadataResolutionException e) {
            throw new ArtifactMetadataRetrievalException(e.getMessage(), e, request.getArtifact());
        }

                    throw new ArtifactResolutionException(e.getMessage(), artifact, remoteRepositories, e);
                }
            }

            artifact.selectVersion(result.getArtifact().getVersion());
            artifact.setFile(result.getArtifact().getFile());
            artifact.setResolved(true);

            if (artifact.isSnapshot()) {

                if (withinSameGav(relocatedArtifact, a)) {
                    result.setArtifact(relocatedArtifact);
                    return model; // they share same model
                } else {
                    result.addRelocation(a);
                    a = relocatedArtifact;
                    result.setArtifact(a);
                }
            } else {
                return model;
            }

    @Override
    public List<ProducedArtifact> getArtifacts() {
        org.eclipse.aether.artifact.Artifact pomArtifact = RepositoryUtils.toArtifact(new ProjectArtifact(project));
        org.eclipse.aether.artifact.Artifact projectArtifact = RepositoryUtils.toArtifact(project.getArtifact());

        ArrayList<ProducedArtifact> result = new ArrayList<>(2);
        result.add(session.getArtifact(ProducedArtifact.class, pomArtifact));

        Map<String, ArtifactRepository> versionIndex = new HashMap<>();

        Metadata metadata = new DefaultMetadata(
                request.getArtifact().getGroupId(),
                request.getArtifact().getArtifactId(),
                MAVEN_METADATA_XML,
                Metadata.Nature.RELEASE_OR_SNAPSHOT);

        List<MetadataRequest> metadataRequests =

            } else if (data instanceof ArtifactDescriptorRequest request) {
                return "artifact descriptor request for " + request.getArtifact();
            } else if (data instanceof ArtifactRequest request) {
                return "artifact request for " + request.getArtifact();
            } else if (data instanceof Plugin plugin) {
                return "plugin request " + plugin.getId();
            }

     */
    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;

     */

    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) {