assertEquals("maven-it-plugin-b", pom.getValue("build/plugins[2]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
        assertEquals("maven-it-plugin-a", pom.getValue("reporting/plugins[1]/artifactId"));
        assertEquals(1, ((List<?>) pom.getValue("reporting/plugins[1]/reportSets")).size());

    private List<String> getClasspathElements(final Predicate<String> scopeFilter, final boolean includeTestDir)
            throws DependencyResolutionRequiredException {
        final List<String> list = new ArrayList<>(getArtifacts().size() + 2);
        if (includeTestDir) {
            String d = getBuild().getTestOutputDirectory();
            if (d != null) {
                list.add(d);
            }
        }

        }
    }

    private Model assembleInheritance(
            List<Model> lineage, ModelBuilderRequest request, ModelProblemCollector problems) {
        Model parent = lineage.get(lineage.size() - 1);
        for (int i = lineage.size() - 2; i >= 0; i--) {
            Model child = lineage.get(i);
            parent = inheritanceAssembler.assembleModelInheritance(child, parent, request, problems);
        }
        return parent;

            // for the initial task...
            // In order to work around that problem, we override the
            // invokeAll method, so that whenever the method is called,
            // the pool core size will be incremented before submitting
            // all the tasks, then the thread will block waiting for all
            // those subtasks to finish.
            // This ensures the number of running workers is no more than

            }
        }

        if (request.getValidationLevel() >= ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_2_0) {
            Set<String> modules = new HashSet<>();
            for (int i = 0, n = m.getModules().size(); i < n; i++) {
                String module = m.getModules().get(i);
                if (!modules.add(module)) {
                    addViolation(
                            problems,