def METHOD_NAME():
    global _model_registry_store_registry
    if _model_registry_store_registry is not None:
        return _model_registry_store_registry
    _model_registry_store_registry = ModelRegistryStoreRegistry()
    _model_registry_store_registry.register("databricks", _get_databricks_rest_store)
    # Register a placeholder function that raises if users pass a registry URI with scheme
    # "databricks-uc"
    _model_registry_store_registry.register(_DATABRICKS_UNITY_CATALOG_SCHEME, UcModelRegistryStore)
    for scheme in ["http", "https"]:
        _model_registry_store_registry.register(scheme, _get_rest_store)
    for scheme in DATABASE_ENGINES:
        _model_registry_store_registry.register(scheme, _get_sqlalchemy_store)
    for scheme in ["", "file"]:
        _model_registry_store_registry.register(scheme, _get_file_store)
    _model_registry_store_registry.register_entrypoints()
    return _model_registry_store_registry