event.getArtifact(),
                event.getException().getMessage());
    }

    @Override
    public void artifactDescriptorMissing(RepositoryEvent event) {
        logger.warn("The POM for {} is missing, no dependency information available", event.getArtifact());
    }

            trackingFile = trackingDir.resolve(baseName + ext);
            if (Files.exists(trackingFile)) {
                return;
            }

            if (event.getArtifact() != null) {
                trackingData.add(indent + event.getArtifact());
                indent += "  ";
            }
            trackingData.add(indent + plugin.getGroupId() + ":" + plugin.getArtifactId() + ":" + plugin.getVersion());

            for (MavenProject project : session.getMavenSession().getAllProjects()) {
                if (id.equals(id(project.getArtifact()))
                        && project.getArtifact().getFile() != null) {
                    return Optional.of(project.getArtifact().getFile().toPath());
                }
            }
        }
        Path path = paths.get(id);

                }
            }
        }

        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(),

            throw result.getErrorArtifactExceptions().get(0);
        }

        if (result.hasMissingArtifacts()) {
            throw new MultipleArtifactsNotFoundException(
                    request.getArtifact(),
                    toList(result.getArtifacts()),
                    result.getMissingArtifacts(),
                    request.getRemoteRepositories());
        }

        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) {