this.topologicallySortedProjects = topologicallySortedProjects;

        return this;
    }

    public List<MavenProject> getTopologicallySortedProjects() {
        return null == topologicallySortedProjects
                ? Collections.emptyList()
                : Collections.unmodifiableList(topologicallySortedProjects);
    }

    MavenExecutionResult setTopologicallySortedProjects(List<MavenProject> projects);

    /**
     * @return the sorted list, or an empty list if there are no projects.
     */
    List<MavenProject> getTopologicallySortedProjects();

    MavenExecutionResult setDependencyResolutionResult(DependencyResolutionResult result);

    DependencyResolutionResult getDependencyResolutionResult();

    // for each exception

        if (!result.hasExceptions()) {
            return Optional.empty();
        }

        List<MavenProject> sortedProjects = result.getTopologicallySortedProjects();

        boolean hasNoSuccess =
                sortedProjects.stream().noneMatch(project -> result.getBuildSummary(project) instanceof BuildSuccess);

        if (hasNoSuccess) {

            if (result.canResume()) {
                logBuildResumeHint(context, "mvn [args] -r");
            } else if (!failedProjects.isEmpty()) {
                List<MavenProject> sortedProjects = result.getTopologicallySortedProjects();

                // Sort the failedProjects list in the topologically sorted order.
                failedProjects.sort(comparing(sortedProjects::indexOf));

            if (result.canResume()) {
                logBuildResumeHint("mvn [args] -r");
            } else if (!failedProjects.isEmpty()) {
                List<MavenProject> sortedProjects = result.getTopologicallySortedProjects();

                // Sort the failedProjects list in the topologically sorted order.
                failedProjects.sort(comparing(sortedProjects::indexOf));