try {
            if (dirtyGraph == null || dirtyGraph.isEmpty()) {
                return null;
            }

            MetadataGraph cleanGraph = conflictResolver.resolveConflicts(dirtyGraph, scope);

            if (cleanGraph == null || cleanGraph.isEmpty()) {
                return null;
            }

            ClasspathContainer cpc = new ClasspathContainer(scope);

    // -------------------------------------------------------------------------------------
    // -------------------------------------------------------------------------------------
    @Override
    public MetadataGraph resolveConflicts(MetadataGraph graph, ArtifactScopeEnum scope)
            throws GraphConflictResolutionException {
        if (policy == null) {