Plugin existing = plugins.get(plugin);
                if (existing != null) {
                    if (existing.getVersion() == null) {
                        existing.setVersion(plugin.getVersion());
                        existing.setLocation("version", location);
                    }
                    plugin = existing;
                } else {
                    plugins.put(plugin, plugin);

        CoreExtension oldExtension = new CoreExtension();
        oldExtension.setGroupId(extension.getGroupId());
        oldExtension.setArtifactId(extension.getArtifactId());
        oldExtension.setVersion(extension.getVersion());
        if (extension.getClassLoadingStrategy() != null) {
            oldExtension.setClassLoadingStrategy(extension.getClassLoadingStrategy());
        }
        this.extension = oldExtension;
    }

                && ARTIFACT_ID.equals(artifact.getArtifactId())
                && VERSION.equals(artifact.getVersion())) {
            Model m = new Model();
            m.setArtifactId(ARTIFACT_ID);
            m.setGroupId(GROUP_ID);
            m.setVersion(VERSION);
            Repository repository = new Repository();
            repository.setId(REPO_ID);
            repository.setUrl(REPO_URL);

        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setVersion(artifact.getBaseVersion());

        return metadata;
    }

    public void bind(Artifact artifact) {
        artifacts.add(artifact);
    }

    public Object getKey() {
        return getGroupId() + ':' + getArtifactId() + ':' + getVersion();
    }

    public static Object getKey(Artifact artifact) {

                versionRequest.setTrace(trace);
                VersionResult versionResult = versionResolver.resolveVersion(session, versionRequest);

                a = a.setVersion(versionResult.getVersion());

                versionRequest =
                        new VersionRequest(pomArtifact, request.getRepositories(), request.getRequestContext());
                versionRequest.setTrace(trace);

                os.setArch(profileOs.getArch());
                os.setFamily(profileOs.getFamily());
                os.setName(profileOs.getName());
                os.setVersion(profileOs.getVersion());

                activation.setOs(os);
            }

            org.apache.maven.profiles.ActivationFile profileFile = profileActivation.getFile();

            if (profileFile != null) {

        String platform,
        String architecture
    ) {
        Jdk jdk = JdkDownloadPlugin.getContainer(project).create(platform + "-" + purpose);
        jdk.setVendor(vendor);
        jdk.setVersion(version);
        jdk.setPlatform(platform);
        jdk.setArchitecture(architecture);

        String taskname = "copy" + GUtils.capitalize(platform) + GUtils.capitalize(purpose) + "Jdk";

        NamedDomainObjectContainer<ElasticsearchDistribution> distros = DistributionDownloadPlugin.getContainer(project);
        return distros.create(name, distro -> {
            if (version != null) {
                distro.setVersion(version);
            }
            if (type != null) {
                distro.setType(type);
            }
            if (platform != null) {
                distro.setPlatform(platform);
            }

            }

            SnapshotVersion sv = new SnapshotVersion();
            sv.setClassifier(artifact.getClassifier());
            sv.setExtension(artifact.getExtension());
            sv.setVersion(version);
            sv.setUpdated(lastUpdated);

            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        artifacts.clear();

        if (artifact.isSnapshot() && artifact.getVersion().equals(artifact.getBaseVersion())) {
            Object key = RemoteSnapshotMetadata.getKey(artifact);
            RemoteSnapshotMetadata snapshotMetadata = snapshots.get(key);
            if (snapshotMetadata != null) {
                artifact = artifact.setVersion(snapshotMetadata.getExpandedVersion(artifact));
            }
        }