public interface Artifact {
    /**
     * {@return a unique identifier for this artifact}.
     * The identifier is composed of groupId, artifactId, extension, classifier, and version.
     *
     * @see ArtifactCoordinates#getId()
     */
    @Nonnull
    default String key() {
        String c = getClassifier();
        return getGroupId()
                + ':'
                + getArtifactId()
                + ':'

    /**
     * Gets the identifier of the extension.
     *
     * @return The extension id in the form {@code <groupId>:<artifactId>:<version>}, never {@code null}.
     */
    public String getId() {
        StringBuilder id = new StringBuilder(128);

        id.append((getGroupId() == null) ? "[unknown-group-id]" : getGroupId());
        id.append(":");

        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertFalse(map.isEmpty(), "No Artifacts");

                .setSize(fessConfig.getPageScoreBoosterMaxFetchSizeAsInteger())
                .execute()
                .actionGet(requestTimeout);
        return Arrays.stream(response.getHits().getHits()).map(SearchHit::getId).toArray(n -> new String[n]);
    };

    /**
     * A function to handle requests.
     */
    protected Function<Map<String, Object>, Long> requestHandler = params -> {

    }

    public List<MavenProject> getTransitiveUpstreamProjects() {
        return transitiveUpstreamProjects;
    }

    @Override
    public String toString() {
        return getProject().getId() + " -> " + getTaskSegment();
    }

    private String filterType;

    /**
     * The URL pattern for this filter.
     */
    private String url;

    /**
     * Returns the ID.
     * @return The ID.
     */
    public String getId() {
        return id;
    }

    /**
     * Sets the ID.
     * @param id The ID.
     */
    public void setId(final String id) {
        this.id = id;
    }

    /**

    public static final String RS_TEST_COMPILE = "test-compile";
    public static final String RS_TEST_RUNTIME = "test-runtime";

    private Maven4ScopeManagerConfiguration() {}

    @Override
    public String getId() {
        return "Maven4";
    }

    @Override
    public boolean isStrictDependencyScopes() {
        return false;
    }

    @Override
    public boolean isStrictResolutionScopes() {

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    @Override
    public String[] getRoleNames() {

        private final DefaultType type;

        private ArtifactTypeAdapter(DefaultType type) {
            this.type = type;
        }

        @Override
        public String getId() {
            return type.id();
        }

        @Override
        public String getExtension() {
            return type.getExtension();
        }

        @Override

     *
     * @param configId the configuration ID to process
     * @return the actual ID without the type prefix, or null if the config ID is invalid
     */
    protected String getId(final String configId) {
        if (configId == null || configId.length() < 2) {
            return null;
        }
        return configId.substring(1);
    }

    /**