// Metadata Resolution Exceptions: ArtifactResolutionExceptions
    // ------------------------------------------------------------------------

    public boolean hasMetadataResolutionExceptions() {
        return metadataResolutionExceptions != null;
    }

    public ArtifactResolutionResult addMetadataResolutionException(ArtifactResolutionException e) {

        // so we give this back to the calling code and let them deal with this information
        // appropriately.

        if (result.hasMetadataResolutionExceptions()
                || result.hasVersionRangeViolations()
                || result.hasCircularDependencyExceptions()) {
            return result;
        }