if (result.hasMissingArtifacts()) {
            throw new MultipleArtifactsNotFoundException(
                    request.getArtifact(),
                    toList(result.getArtifacts()),
                    result.getMissingArtifacts(),
                    request.getRemoteRepositories());
        }

        // this should never happen since we checked all possible error sources before but better be sure
        if (result.hasExceptions()) {

        return resolvedArtifacts;
    }

    /**
     * artifacts that could NOT be resolved
     *
     * @return {@link List} of {@link Artifact}
     */
    public List<Artifact> getMissingArtifacts() {
        return missingArtifacts;
    }

    private static String constructMessage(List<Artifact> artifacts) {
        StringBuilder buffer = new StringBuilder(256);

    }

    private void printErrors(ArtifactResolutionResult result) {
        if (result.hasMissingArtifacts()) {
            for (Artifact artifact : result.getMissingArtifacts()) {
                System.err.println("Missing: " + artifact);
            }
        }

        if (result.hasExceptions()) {
            for (Exception e : result.getExceptions()) {

        return requestedArtifacts;
    }

    public boolean hasMissingArtifacts() {
        return missingArtifacts != null && !missingArtifacts.isEmpty();
    }

    public List<Artifact> getMissingArtifacts() {
        return missingArtifacts == null ? Collections.emptyList() : Collections.unmodifiableList(missingArtifacts);
    }

    public MetadataResolutionResult addMissingArtifact(Artifact artifact) {

            try {
                resolutionErrorHandler.throwErrors(request, result);
            } catch (MultipleArtifactsNotFoundException e) {

                Collection<Artifact> missing = new HashSet<>(e.getMissingArtifacts());

                for (Iterator<Artifact> it = missing.iterator(); it.hasNext(); ) {
                    String key = ArtifactUtils.key(it.next());
                    if (projectIds.contains(key)) {

        this.resolutionNodes = resolutionNodes;
    }

    public boolean hasMissingArtifacts() {
        return missingArtifacts != null && !missingArtifacts.isEmpty();
    }

    public List<Artifact> getMissingArtifacts() {
        return missingArtifacts == null ? Collections.emptyList() : Collections.unmodifiableList(missingArtifacts);
    }

    public ArtifactResolutionResult addMissingArtifact(Artifact artifact) {