@Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();
            ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();

            return version1.compareTo(version2) > 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();
            ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();

            return version1.compareTo(version2) <= 0 ? node1 : node2;
        } catch (OverConstrainedVersionException exception) {

    @Override
    public boolean isOptional() {
        return artifact.isOptional();
    }

    /** {@inheritDoc} */
    @Override
    public ArtifactVersion getSelectedVersion() throws OverConstrainedVersionException {
        return artifact.getSelectedVersion();
    }

    /** {@inheritDoc} */
    @Override
    public boolean isSelectedVersionKnown() throws OverConstrainedVersionException {

    }

    @Override
    public boolean isOptional() {
        return optional;
    }

    @Override
    public ArtifactVersion getSelectedVersion() throws OverConstrainedVersionException {
        return versionRange.getSelectedVersion(this);
    }

    @Override
    public boolean isSelectedVersionKnown() throws OverConstrainedVersionException {

     */
    public void setStatus(int status) {
        this.status = status;
    }

    /**
     * Get selected protocol version
     *
     * @return selected version
     */
    public int getSelectedVersion() {
        return selectedVersion;
    }

    /**
     * Set selected protocol version
     *
     * @param selectedVersion selected version
     */

                } else {
                    done = true;
                }
            }
        }

        return restrictions;
    }

    public ArtifactVersion getSelectedVersion(Artifact artifact) throws OverConstrainedVersionException {
        ArtifactVersion version;
        if (recommendedVersion != null) {
            version = recommendedVersion;
        } else {

                                                    childRemoteRepositories);
                                        }
                                    } else {
                                        version = artifact.getSelectedVersion();
                                    }

                                    artifact.selectVersion(version.toString());