}

        return pomArtifact;
    }

    /**
     * Creates POM artifact out of passed in artifact by dropping classifier (if exists) and rewriting extension to
     * "pom". Unconditionally, unlike {@link #toPomArtifact(Artifact)} that does this only for artifacts without
     * classifiers.
     *
     * @since 4.0.0
     */
    public static Artifact toPomArtifactUnconditionally(Artifact artifact) {

        // to avoid treating a build POM as a repository (consumer) POM.
        if ("pom".equals(artifact.getExtension())) {
            String classifier = artifact.getClassifier();
            if (classifier == null || classifier.isEmpty()) {
                Path consumer = getArtifactPath(
                        artifact.getGroupId(), artifact.getArtifactId(), artifact.getBaseVersion(), "consumer", "pom");

        return createArtifact(groupId, artifactId, version, null, type, classifier, null);
    }

    @Override
    public Artifact createDependencyArtifact(
            String groupId,
            String artifactId,
            VersionRange versionRange,
            String type,
            String classifier,
            String scope) {

      <artifactId>guava-testlib</artifactId>
      <version>${project.version}</version>
      <classifier>tests</classifier>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>com.google.guava</groupId>
      <artifactId>guava-tests</artifactId>
      <version>${project.version}</version>
      <classifier>tests</classifier>
      <scope>test</scope>
    </dependency>
    <dependency>

        this.scope = scope;

        this.type = type;

        if (classifier == null) {
            classifier = artifactHandler.getClassifier();
        }

        this.classifier = classifier;

        this.optional = optional;

        validateIdentity();
    }

    private void validateIdentity() {
        if (empty(groupId)) {
            throw new InvalidArtifactRTException(

            this.version = version;
            return this;
        }

        public ArtifactFactoryRequestBuilder classifier(String classifier) {
            this.classifier = classifier;
            return this;
        }

        public ArtifactFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;

            this.version = version;
            return this;
        }

        public DependencyCoordinatesFactoryRequestBuilder classifier(String classifier) {
            this.classifier = classifier;
            return this;
        }

        public DependencyCoordinatesFactoryRequestBuilder extension(String extension) {
            this.extension = extension;

     */
    @Nonnull
    Version getBaseVersion();

    /**
     * Returns the classifier of the artifact.
     *
     * @return the classifier or an empty string if none, never {@code null}
     * @see ArtifactCoordinates#getClassifier()
     */
    @Nonnull
    String getClassifier();

    /**

    private final String extension;
    private final String classifier;
    private final boolean includesDependencies;
    private final Set<PathType> pathTypes;
    private final Map<String, String> properties;

    public DefaultType(
            String id,
            Language language,
            String extension,
            String classifier,
            boolean includesDependencies,

        assertEquals(
                "jar", depArtifact.getProperty("type", null)); // shouldn't it be java-sources given the classifier?
        assertEquals(
                "true",
                depArtifact.getProperty("constitutesBuildPath", null)); // shouldn't it be false given the classifier?
        assertEquals("false", depArtifact.getProperty("includesDependencies", null));