parent.setArtifactId("apache");
        parent.setVersion("(,2.0)");

        AtomicReference<org.apache.maven.api.model.Parent> modified = new AtomicReference<>();
        assertNotNull(this.newModelResolver().resolveModel(parent.getDelegate(), modified));
        assertEquals("1", modified.get().getVersion());
    }

    @Test
    void testResolveDependencyThrowsUnresolvableModelExceptionWhenNotFound() throws Exception {

        try {
            AtomicReference<Parent> modified = new AtomicReference<>();
            Session session = request.getSession()
                    .withRemoteRepositories(request.getModelRepositoryHolder().getRepositories());
            modelSource = modelResolver.resolveModel(session, parent, modified);
            if (modified.get() != null) {
                parent = modified.get();
            }

        return (d.getScope() == null || d.getScope().isEmpty()) ? d.withScope("compile") : d;
    }

    /**
     * Returns a list suited for the builders, i.e. null if not modified
     */
    private <T> List<T> injectList(List<T> list, Function<T, T> modifer) {
        List<T> newList = null;
        for (int i = 0; i < list.size(); i++) {
            T oldT = list.get(i);

        ArtifactResolutionResult result = collect(a, managedVersion);

        assertEquals("1.0", artifact.getVersion(), "collect has modified version in originating artifact");

        Artifact resolvedArtifact = result.getArtifacts().iterator().next();

        // disown the parent

        // copy fields
        file = project.file;
        basedir = project.basedir;

        // don't need a deep copy, they don't get modified or added/removed to/from - but make them unmodifiable to be
        // sure!
        if (project.getDependencyArtifacts() != null) {

            }
        }

        @Override
        public ModelSource resolveModel(Session session, Parent parent, AtomicReference<Parent> modified)
                throws ModelResolverException {
            try {
                org.apache.maven.model.Parent p = new org.apache.maven.model.Parent(parent);

                    protected boolean exec() {
                        try {
                            AtomicReference<Parent> modified = new AtomicReference<>();
                            ModelSource source = doResolveModel(parent, modified);
                            result = new Result(source, modified.get(), null);
                        } catch (Exception e) {
                            result = new Result(null, null, e);

                .version("(,2.0)")
                .build();

        AtomicReference<org.apache.maven.api.model.Parent> modified = new AtomicReference<>();
        assertNotNull(this.newModelResolver().resolveModel(session, parent, modified));
        assertEquals("1", modified.get().getVersion());
    }

    @Test
    void testResolveDependencyThrowsModelResolverExceptionWhenNotFound() throws Exception {

                        v = depModel.getParent().getVersion();
                    }
                    dep = dep.withVersion(v);
                    modified = true;
                }
            }
            newDeps.add(dep);
        }
        if (modified) {
            builder.dependencies(newDeps);
        }
    }

                "<packaging>pom</packaging><properties><addedProperty>addedValue</addedProperty></properties>");
        Files.write(parent.toPath(), parentContent.getBytes(StandardCharsets.UTF_8));
        // re-build pom with modified parent
        ProjectBuildingResult result = projectBuilder.build(child, configuration);
        assertThat(result.getProject().getProperties(), hasKey((Object) "addedProperty"));
    }

    @Test