private Set<Artifact> artifacts;

    private MetadataGraph resolvedTree;

    public Artifact getOriginatingArtifact() {
        return originatingArtifact;
    }

    public MetadataResolutionResult listOriginatingArtifact(final Artifact originatingArtifact) {
        this.originatingArtifact = originatingArtifact;

        return this;
    }

    public void addArtifact(Artifact artifact) {
        if (artifacts == null) {