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

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

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

    /** {@inheritDoc} */

        this.asGraph = asGraph;
        return this;
    }

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

    public String getScope() {
        return scope;
    }

        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

        //
        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 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) {

        // scoped graph is versioned by definition
        if (scopedVertices) {
            versionedVertices = true;
        }
    }

    public ArtifactScopeEnum getScope() {
        return scope;
    }

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

    // ------------------------------------------------------------------------
    public boolean isEmpty() {

    }

    public String getUri() {
        return uri;
    }

    public void setUri(String uri) {
        this.uri = uri;
    }

    public String getScope() {
        return getArtifactScope().getScope();
    }

    public ArtifactScopeEnum getScopeAsEnum() {
        return artifactScope == null ? ArtifactScopeEnum.DEFAULT_SCOPE : artifactScope;
    }

    }

    @Override
    public void setDependencyTrail(List<String> dependencyTrail) {
        this.dependencyTrail = dependencyTrail;
    }

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

    @Override
    public VersionRange getVersionRange() {
        return versionRange;
    }

    @Override

                Exclusion exclusion) {
            Dependency d = new Dependency();
            d.setGroupId(groupId);
            d.setArtifactId(artifactId);
            d.setVersion(version);
            d.setScope(scope);

            if (systemPath != null && scope.equals(Artifact.SCOPE_SYSTEM)) {
                d.setSystemPath(systemPath);
            }

            if (exclusion != null) {