def METHOD_NAME() -> None:
    """
    Graphs with no identifies assigned are identified by Skolem IRIs with a
    prefix that is bound to `genid`.
    TODO: This is somewhat questionable and arbitrary behaviour and should be
    reviewed at some point.
    """
    dataset = Dataset()
    nman = dataset.namespace_manager
    genid_prefix = URIRef("https://rdflib.github.io/.well-known/genid/rdflib/")
    namespaces = set(nman.namespaces())
    assert (
        next((namespace for namespace in namespaces if namespace[0] == "genid"), None)
        is None
    )
    subgraph: Graph = dataset.graph()
    subgraph.add((EGSCHEME["subject"], EGSCHEME["predicate"], EGSCHEME["object"]))
    namespaces = set(nman.namespaces())
    assert next(
        (namespace for namespace in namespaces if namespace[0] == "genid"), None
    ) == ("genid", genid_prefix)
    assert f"{subgraph.identifier}".startswith(genid_prefix)