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;
    }

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

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