@classmethod
    def alias_groups(cls):
        return BuildFileAliases(
            targets={
                "target": Target,
                "java_library": JavaLibrary,
                "python_library": PythonLibrary,
            },
            objects={
                "pants": lambda x: x,
                "artifact": Artifact,
                "scala_artifact": ScalaArtifact,
                "public": Repository(
                    name="public", url="<http://maven.example.com>", push_db_basedir="/tmp"
                ),
            },
        )