public void setDependencyTrail(List<String> dependencyTrail) {
        artifact.setDependencyTrail(dependencyTrail);
    }

    /** {@inheritDoc} */
    public void setScope(String scope) {
        artifact.setScope(scope);
    }

    /** {@inheritDoc} */
    public VersionRange getVersionRange() {
        return artifact.getVersionRange();
    }

    /** {@inheritDoc} */

    //    {
    //        setGroupId( af.getGroupId() );
    //        setArtifactId( af.getArtifactId() );
    //        setVersion( af.getVersion() );
    //        setType( af.getType() );
    //        setScope( af.getScope() );
    //        setClassifier( af.getClassifier() );
    //        //setUri( af.getDownloadUrl() );
    //
    //        this.resolved = af.isResolved();
    //    }

    @Override

        assertEquals(groupId + ":" + artifactId + ":" + type, artifact.getDependencyConflictId());
    }

    @Test
    void testGetDependencyConflictIdNullScope() {
        artifact.setScope(null);
        assertEquals(groupId + ":" + artifactId + ":" + type + ":" + classifier, artifact.getDependencyConflictId());
    }

    @Test
    void testToString() {
        assertEquals(

    }

    public Object getDatum() {
        return datum;
    }

    public void setDatum(Object datum) {
        this.datum = datum;
    }

    public String getScope() {
        return scope;
    }

    public void setScope(String scope) {
        this.scope = scope;
    }

    @Override
    public String toString() {
        return getGroupId() + ":" + getArtifactId() + ":" + getVersion() + ":"

        //
        Dependency d = new Dependency();
        d.setGroupId("org.apache.maven.its");
        d.setArtifactId("b");
        d.setVersion("0.1");
        d.setScope(Artifact.SCOPE_COMPILE);
        Artifact artifact = repositorySystem.createDependencyArtifact(d);

        ArtifactResolutionRequest request = new ArtifactResolutionRequest()
                .setArtifact(artifact)

        }
        return tree;
    }

    public void setClasspath(List<ArtifactMetadata> classpath) {
        this.classpath = classpath;
    }

    public ArtifactScopeEnum getScope() {
        return scope;
    }

    public void setScope(ArtifactScopeEnum scope) {
        this.scope = scope;
    }

    // -------------------------------------------------------------------------------------------
    @Override

    ArtifactHandler getArtifactHandler();

    List<String> getDependencyTrail();

    void setDependencyTrail(List<String> dependencyTrail);

    void setScope(String scope);

    VersionRange getVersionRange();

    void setVersionRange(VersionRange newRange);

    void selectVersion(String version);

    void setGroupId(String groupId);

        this.asGraph = asGraph;
        return this;
    }

    public MetadataResolutionRequest setScope(String scope) {
        this.scope = scope;
        return this;
    }

    public String getScope() {
        return scope;
    }

        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

    public ArtifactScopeEnum getScope() {
        return scope;
    }

    public void setScope(ArtifactScopeEnum scope) {
        this.scope = scope;
    }

    public int getDepth() {
        return depth;
    }

    public void setDepth(int depth) {

            MetadataGraphEdge e = edges.get(0);
            if (scope.encloses(e.getScope())) {
                return e;
            }

            return null;
        }

        MetadataGraphEdge res = null;

        for (MetadataGraphEdge e : edges) {
            if (!scope.encloses(e.getScope())) {
                continue;
            }

            if (res == null) {