}
                }
            };
        } catch (VersionRangeResolutionException e) {
            throw new VersionRangeResolverException("Unable to resolve version range", e);
        }
    }

    /**
     * Expands a version range to a list of matching versions, in ascending order.
     * For example, resolves "[3.8,4.0)" to "3.8", "3.8.1", "3.8.2".
     * The returned list of versions is only dependent on the configured repositories and their contents.
     * The supplied request may also refer to a single concrete version rather than a version range.

import org.apache.maven.artifact.versioning.VersionRange;

/**
 * Maven Artifact interface. Notice that it mixes artifact definition concepts (groupId, artifactId, version)
 * with dependency information (version range, scope).
 */
public interface Artifact extends Comparable<Artifact> {

    String RELEASE_VERSION = "RELEASE";

    String LATEST_VERSION = "LATEST";

    String SNAPSHOT_VERSION = "SNAPSHOT";

        return delegate.parseVersion(version);
    }

    @Override
    public VersionRange parseVersionRange(String range) throws InvalidVersionSpecificationException {
        return delegate.parseVersionRange(range);
    }

    @Override
    public VersionConstraint parseVersionConstraint(String constraint) throws InvalidVersionSpecificationException {

- malformed POM
- local repository not writable
- remote repositories not available
- artifact metadata missing
- extension metadata missing
- extension artifact missing
- artifact metadata retrieval problem
- version range violation
- circular dependency
- artifact missing
- artifact retrieval exception
- md5 checksum doesn't match for local artifact, need to redownload this
- POM doesn't exist for a goal that requires one

        // NOTE: Release metadata includes version information about artifacts that have been released, to allow
        // meta-versions like RELEASE and LATEST to resolve, and also to allow retrieval of the range of valid, released
        // artifacts available.
        ArtifactRepositoryPolicy policy = metadata.getPolicy(repository);

        if (!policy.isEnabled()) {
            if (getLogger().isDebugEnabled()) {

     *     <li>"e(G:A:V)" - predicate filter (leaves out G:A:V from range, if hit, V can be range)</li>
     * </ul>
     * Example filter expression: {@code "h(5);s;e(org.foo:bar:1)} will cause: ranges are filtered for "top 5" (instead
     * full range), snapshots are banned if root project is not a snapshot, and if range for {@code org.foo:bar} is
     * being processed, version 1 is omitted.
     *
     * @since 4.0.0

        // Cyclic Dependency Error

        if (result.hasCircularDependencyExceptions()) {
            throw result.getCircularDependencyException(0);
        }

        // Version Range Violation

        if (result.hasVersionRangeViolations()) {
            throw result.getVersionRangeViolation(0);
        }

        // Transfer Error

        if (result.hasErrorArtifactExceptions()) {

    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 RELEASE_OR_SNAPSHOT;

                // Message below is checked for in the MNG-2199 core IT.
                throw new ModelResolverException(
                        String.format("The requested version range '%s' does not specify an upper bound", version),
                        groupId,
                        artifactId,
                        version);
            }