private Set<MavenProject> createNow(Settings settings, File pomFile) throws PlexusContainerException, PlexusConfigurationException, ComponentLookupException, MavenExecutionRequestPopulationException, ProjectBuildingException {
//using jarjar for maven3 classes affects the contents of the effective pom
//references to certain Maven standard plugins contain jarjar in the fqn
//not sure if this is a problem.
ContainerConfiguration containerConfiguration = new DefaultContainerConfiguration()
.setClassWorld(new ClassWorld("plexus.core", ClassWorld.class.getClassLoader()))
.setName("mavenCore");
DefaultPlexusContainer container = new DefaultPlexusContainer(containerConfiguration);
ProjectBuilder builder = container.lookup(ProjectBuilder.class);
MavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest();