StringBuilder msg = new StringBuilder(message);
        msg.append(System.lineSeparator());
        for (Dependency dependency : result.getUnresolvedDependencies()) {
            msg.append("dependency: ").append(dependency).append(System.lineSeparator());
            List<Exception> exceptions = result.getResolutionErrors(dependency);
            for (Exception e : exceptions) {

            if (aggregating && areAllDependenciesInReactor(session.getProjects(), result.getUnresolvedDependencies())) {
                logger.warn("The following dependencies could not be resolved at this point of the build"
                        + " but seem to be part of the reactor:");

                for (Dependency dependency : result.getUnresolvedDependencies()) {
                    logger.warn("o {}", dependency);
                }

        return implicitSelectionSpec;
    }

    @Override
    public Set<UnresolvedDependency> getUnresolvedModuleDependencies() {
        return graphResults.getUnresolvedDependencies();
    }

    private TransientConfigurationResults loadTransientGraphResults(SelectedArtifactResults artifactResults) {
        return transientConfigurationResultsFactory.create(artifactResults);
    }

        def root
        def components = new LinkedHashSet()
        final Map<ComponentSelector, FailureDetails> failures = new LinkedHashMap<>()

        Set<ComponentSelector> getUnresolvedDependencies() {
            return failures.keySet()
        }

        @Override
        void start(RootGraphNode root) {
            this.root = root
        }

        @Override