problemsList.add(modelProblem);
            }

            if (result.hasErrors()) {
                hasErrors = true;
            }
        }
        return new Result<>(hasErrors, modelsList, problemsList);
    }

    // helper to determine if problems contain error
    private static boolean hasErrors(Iterable<? extends ModelProblem> problems) {
        for (ModelProblem input : problems) {

        toolchainsMerger.merge(userToolchains, globalToolchains, TrackableBase.GLOBAL_LEVEL);

        problems.setSource("");

        userToolchains = interpolate(userToolchains, problems);

        if (hasErrors(problems.getProblems())) {
            throw new ToolchainsBuildingException(problems.getProblems());
        }

        return new DefaultToolchainsBuildingResult(userToolchains, problems.getProblems());
    }

            severities.add(problem.getSeverity());
        }
    }

    public boolean hasFatalErrors() {
        return severities.contains(ModelProblem.Severity.FATAL);
    }

    public boolean hasErrors() {
        return severities.contains(ModelProblem.Severity.ERROR) || severities.contains(ModelProblem.Severity.FATAL);
    }

    @Override
    public List<ModelProblem> getProblems() {
        return problems;

            }
        }

        if (hasErrors(problems.getProblems())) {
            throw new SettingsBuildingException(problems.getProblems());
        }

        return new DefaultSettingsBuildingResult(userSettings, problems.getProblems());
    }

    private boolean hasErrors(List<SettingsProblem> problems) {
        if (problems != null) {

        Result<ProjectDependencyGraph> result = graphBuilder.build(session);

        // Then
        if (parameterExpectedResult instanceof SelectedProjectsResult selectedProjectsResult) {
            assertFalse(result.hasErrors(), "Expected result not to have errors");
            List<String> expectedProjectNames = selectedProjectsResult.projectNames;
            List<MavenProject> actualReactorProjects = result.get().getSortedProjects();

        }

        eventCatapult.fire(ExecutionEvent.Type.ProjectDiscoveryStarted, session, null);

        Result<? extends ProjectDependencyGraph> graphResult = buildGraph(session);

        if (graphResult.hasErrors()) {
            return addExceptionToResult(
                    result, graphResult.getProblems().iterator().next().getException());
        }

        try {

    }

    protected boolean hasModelErrors(ModelProblemCollectorExt problems) {
        if (problems instanceof DefaultModelProblemCollector collector) {
            return collector.hasErrors();
        } else {
            // the default execution path only knows the DefaultModelProblemCollector,
            // only reason it's not in signature is because it's package private

        assertNotNull(response);
        assertEquals(1, response.getNumberOfInputDocs());
        assertEquals(1, response.getNumberOfSuggestDocs());
        assertFalse(response.hasError());
    }

    @Test
    public void test_indexMultipleItems() throws Exception {
        SuggestItem[] items = new SuggestItem[3];

        for (int i = 0; i < 3; i++) {

        SuggestIndexResponse response1 = new SuggestIndexResponse(10, 5, null, 100);
        assertFalse(response1.hasError());

        List<Throwable> errors = new ArrayList<>();
        errors.add(new Exception("Test error"));
        SuggestIndexResponse response2 = new SuggestIndexResponse(10, 5, errors, 100);
        assertTrue(response2.hasError());
    }

    @Test
    public void test_getErrors() throws Exception {

        SuggestDeleteResponse response1 = new SuggestDeleteResponse(null, 100);
        assertFalse(response1.hasError());

        List<Throwable> errors = new ArrayList<>();
        errors.add(new Exception("Test error"));
        SuggestDeleteResponse response2 = new SuggestDeleteResponse(errors, 100);
        assertTrue(response2.hasError());
    }

    @Test
    public void test_getErrors() throws Exception {