*/
    @Nullable
    VersionRange getVersionRange();

    /**
     * Returns the recommended version of this constraint, or {@code null} if none.
     * <p>
     * Note: only one, this method or {@link #getVersionRange()} method must return non-{@code null} value.
     */
    @Nullable
    Version getRecommendedVersion();

    /**

                    if (previous.isActive()) {
                        // Version mediation
                        VersionRange previousRange = previous.getArtifact().getVersionRange();
                        VersionRange currentRange = node.getArtifact().getVersionRange();

                        if ((previousRange != null) && (currentRange != null)) {

                + artifact.getVersionRange() + ")");
    }

    @Override
    public void restrictRange(Artifact artifact, Artifact replacement, VersionRange newRange) {
        logger.debug(indent + artifact + " (range restricted from: " + artifact.getVersionRange() + " and: "
                + replacement.getVersionRange() + " to: " + newRange + " )");
    }

    /**

    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);

    void setArtifactId(String artifactId);

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

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

    /** {@inheritDoc} */
    @Override
    public void setVersionRange(VersionRange newRange) {
        artifact.setVersionRange(newRange);
    }

    }

    @Override
    public int getNature() {
        if (artifact.getVersion() != null) {
            return artifact.isSnapshot() ? SNAPSHOT : RELEASE;
        }

        VersionRange range = artifact.getVersionRange();
        if (range != null) {
            for (Restriction restriction : range.getRestrictions()) {
                if (isSnapshot(restriction.getLowerBound()) || isSnapshot(restriction.getUpperBound())) {

        return (artifact != null) ? copyArtifact(artifact) : null;
    }

    public static Artifact copyArtifact(Artifact artifact) {
        VersionRange range = artifact.getVersionRange();

        // For some reason with the introduction of MNG-1577 we have the case in Yoko where a depMan section has
        // something like the following:
        //
        // <dependencyManagement>

        this.dependencyTrail = dependencyTrail;
    }

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

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

    @Override
    public void setVersionRange(VersionRange versionRange) {
        this.versionRange = versionRange;
        selectVersionFromNewRangeIfAvailable();

            Set<Artifact> projectArtifacts = new HashSet<>();

            for (Artifact d : dependencies) {
                VersionRange versionRange;
                if (d.getVersionRange() != null) {
                    versionRange = d.getVersionRange();
                } else {
                    versionRange = VersionRange.createFromVersionSpec(d.getVersion());
                }
                Artifact artifact;