public List<ArtifactVersion> getAvailableVersions() {
        return artifact.getAvailableVersions();
    }

    /** {@inheritDoc} */
    public void setAvailableVersions(List<ArtifactVersion> versions) {
        artifact.setAvailableVersions(versions);
    }

    /** {@inheritDoc} */
    public boolean isOptional() {
        return artifact.isOptional();
    }

    /** {@inheritDoc} */

    void setArtifactHandler(ArtifactHandler handler);

    boolean isRelease();

    void setRelease(boolean release);

    List<ArtifactVersion> getAvailableVersions();

    void setAvailableVersions(List<ArtifactVersion> versions);

    boolean isOptional();

    void setOptional(boolean optional);

    ArtifactVersion getSelectedVersion() throws OverConstrainedVersionException;

        clone.setRelease(artifact.isRelease());
        clone.setResolvedVersion(artifact.getVersion());
        clone.setResolved(artifact.isResolved());
        clone.setFile(artifact.getFile());

        clone.setAvailableVersions(copyList(artifact.getAvailableVersions()));
        if (artifact.getVersion() != null) {
            clone.setBaseVersion(artifact.getBaseVersion());
        }

        return release;
    }

    @Override
    public List<ArtifactVersion> getAvailableVersions() {
        return availableVersions;
    }

    @Override
    public void setAvailableVersions(List<ArtifactVersion> availableVersions) {
        this.availableVersions = availableVersions;
    }

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

                                            versions = source.retrieveAvailableVersions(metadataRequest);
                                            resetArtifact.setAvailableVersions(versions);
                                        } catch (ArtifactMetadataRetrievalException e) {
                                            resetArtifact.setDependencyTrail(node.getDependencyTrail());

                            metadataRequest.setArtifact(artifact);
                            available = retrieveAvailableVersions(metadataRequest);
                            artifact.setAvailableVersions(available);
                        }

                        String message = "  this artifact has been relocated to " + artifact.getGroupId() + ":"