import org.apache.maven.artifact.DefaultArtifact;

/**
 * Construct a version range from a specification.
 *
 */
public class VersionRange {
    private static final Map<String, VersionRange> CACHE_SPEC = Collections.synchronizedMap(new WeakHashMap<>());

    private static final Map<String, VersionRange> CACHE_VERSION = Collections.synchronizedMap(new WeakHashMap<>());

    private final ArtifactVersion recommendedVersion;

    }

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

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

    private void selectVersionFromNewRangeIfAvailable() {

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

                } else if (expression.startsWith("e(") && expression.endsWith(")")) {
                    Artifact artifact = new DefaultArtifact(expression.substring(2, expression.length() - 1));
                    VersionRange versionRange =
                            artifact.getVersion().contains(",") ? parseVersionRange(artifact.getVersion()) : null;
                    Predicate<Artifact> predicate = a -> {

            return null;
        }

        VersionRange versionRange = VersionRange.createFromVersionSpec(dependency.getVersion());

        Artifact dependencyArtifact = factory.createDependencyArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                versionRange,
                dependency.getType(),
                dependency.getClassifier(),

        if (versionConstraint.getRange() == null) {
            result.addVersion(versionConstraint.getVersion());
        } else {
            VersionRange.Bound lowerBound = versionConstraint.getRange().getLowerBound();
            VersionRange.Bound upperBound = versionConstraint.getRange().getUpperBound();
            if (lowerBound != null

     *
     * @param versionRange the version string to parse
     * @return the version range parsed from the given string
     * @throws org.apache.maven.api.services.VersionParserException if the parsing failed
     * @see org.apache.maven.api.services.VersionParser#parseVersionRange(String)
     */
    @Nonnull
    VersionRange parseVersionRange(@Nonnull String versionRange);

    /**