@Override
    public Model findModel(Artifact artifact) {
        if (GROUP_ID.equals(artifact.getGroupId())
                && 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();

                .groupId(requireNonNull(dependency, "dependency").getGroupId())
                .artifactId(dependency.getArtifactId())
                .version(dependency.getVersion().toString())
                .classifier(dependency.getClassifier())
                .extension(dependency.getExtension())
                .type(dependency.getType().id())
                .scope(dependency.getScope().id())

        MavenSession session = legacySupport.getSession();

        if (plugin.getVersion() == null) {
            PluginVersionRequest versionRequest = new DefaultPluginVersionRequest(
                    plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
            plugin.setVersion(pluginVersionResolver.resolve(versionRequest).getVersion());
        }

        try {

                        isAny(relocation.target.getExtension()) ? null : relocation.target.getExtension(),
                        isAny(relocation.target.getVersion()) ? null : relocation.target.getVersion(),
                        relocation.global ? "User global relocation" : "User project relocation");
                LOGGER.debug(
                        "The artifact {} has been relocated to {}: {}",

        }
    }

    protected void mergeModel_Version(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getVersion();
        if (src != null) {
            if (sourceDominant || target.getVersion() == null) {
                target.setVersion(src);
                target.setLocation("version", source.getLocation("version"));
            }
        }
    }

     */
    String getClassifier();

    /**
     * Gets the version of the constituent's artifact.
     *
     * @return The version, never {@code null}.
     */
    String getVersion();

    /**
     * Gets the file of the constituent's artifact.
     *
     * @return The file, never {@code null}.
     */
    File getFile();

            Model model = (data.getModel() != null) ? data.getModel().clone() : null;
            return new ModelData(data.getSource(), model, data.getGroupId(), data.getArtifactId(), data.getVersion());
        }

        @Override
        public ModelData fromCache(ModelData data) {
            return intoCache(data);
        }
    };

    /**

        ArtifactMetadataAdapter(Metadata metadata) {
            this.metadata = metadata;
        }

        @Override
        public boolean storedInArtifactVersionDirectory() {
            return !metadata.getVersion().isEmpty();
        }

        @Override
        public boolean storedInGroupDirectory() {
            return metadata.getArtifactId().isEmpty();
        }

        @Override

        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;
    }

            String projectId, Dependency dependency, File pomFile, InvalidVersionSpecificationException cause) {
        super(
                projectId + ", " + formatLocationInPom(dependency) + " " + dependency.getVersion() + ", pom file "
                        + pomFile,
                cause);

        this.projectId = projectId;

        this.pomFile = pomFile;

        this.cause = cause;