boolean strict = request.getValidationLevel() >= ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0;

            Map<String, Object> options = new HashMap<>(3);
            options.put(ModelProcessor.IS_STRICT, strict);
            options.put(ModelProcessor.SOURCE, modelSource);
            options.put(ModelReader.ROOT_DIRECTORY, request.getRootDirectory());

            InputSource source;

        assertEquals("runtime", pom.getValue("dependencyManagement/dependencies[1]/scope"));
        assertEquals(Boolean.FALSE, pom.getValue("dependencyManagement/dependencies[1]/optional"));
        assertEquals(1, ((List<?>) pom.getValue("dependencyManagement/dependencies[1]/exclusions")).size());
        assertEquals(

        private ActivationFrame nextFrame(String property) {
            return new ActivationFrame(property, Optional.empty());
        }

        private <P> ActivationFrame nextFrame(String property, Function<P, InputLocationTracker> child) {
            @SuppressWarnings("unchecked")
            final Optional<P> parent = (Optional<P>) stk.peek().parent;
            return new ActivationFrame(property, parent.map(child));
        }