if (results.stream()
                    .flatMap(r -> r.getProblems().stream())
                    .anyMatch(p -> p.getSeverity() != org.apache.maven.model.building.ModelProblem.Severity.WARNING)) {
                org.apache.maven.model.building.ModelProblem cycle = results.stream()
                        .flatMap(r -> r.getProblems().stream())

        return rel;
    }

    private ModelProblem hasMissingParentPom(ProjectBuildingException e) {
        if (e.getCause() instanceof ModelBuildingException mbe) {
            for (ModelProblem problem : mbe.getProblems()) {
                if (problem.getException() instanceof UnresolvableModelException) {
                    return problem;
                }
            }
        }
        return null;
    }

        assertEquals(1, results.size());
        ProjectBuildingResult result = results.get(0);
        assertNotNull(result);
        assertNotNull(result.getProject());
        assertEquals(1, result.getProblems().size());
        assertEquals(1, result.getProject().getArtifacts().size());
        assertNotNull(result.getDependencyResolutionResult());
    }

    /**

        if (!toolchainsResult.getProblems().isEmpty() && slf4jLogger.isWarnEnabled()) {
            slf4jLogger.warn("");
            slf4jLogger.warn("Some problems were encountered while building the effective toolchains");

            for (Problem problem : toolchainsResult.getProblems()) {
                slf4jLogger.warn("{} @ {}", problem.getMessage(), problem.getLocation());