new DefaultRepositoryLayout(),
                new ArtifactRepositoryPolicy(),
                new ArtifactRepositoryPolicy());
    }

    @Override
    public Artifact createPluginArtifact(Plugin plugin) {
        VersionRange versionRange;
        try {
            String version = plugin.getVersion();
            if (version == null || version.isEmpty()) {
                version = "RELEASE";

    Artifact createArtifactWithClassifier(
            String groupId, String artifactId, String version, String type, String classifier);

    Artifact createPluginArtifact(Plugin plugin);

    Artifact createDependencyArtifact(Dependency dependency);

    ArtifactRepository buildArtifactRepository(Repository repository) throws InvalidRepositoryException;

        return artifactFactory.createParentArtifact(groupId, artifactId, version);
    }

    @Override
    public Artifact createPluginArtifact(Plugin plugin) {
        String version = plugin.getVersion();
        if (version == null || version.isEmpty()) {
            version = "RELEASE";
        }

        VersionRange versionRange;