@SuppressWarnings("deprecation")
        ArtifactRepository lr1 = new DelegatingLocalArtifactRepository(repositorySystem.createDefaultLocalRepository());
        ArtifactRepository rr1 = repositorySystem.createDefaultRemoteRepository();
        a1.setDependencyFilter(new ExcludesArtifactFilter(Arrays.asList("foo")));

        Artifact a2 = repositorySystem.createArtifact("testGroup", "testArtifact", "1.2.3", "jar");

    Artifact createDependencyArtifact(Dependency dependency);

    ArtifactRepository buildArtifactRepository(Repository repository) throws InvalidRepositoryException;

    ArtifactRepository createDefaultRemoteRepository() throws InvalidRepositoryException;

    ArtifactRepository createDefaultLocalRepository() throws InvalidRepositoryException;