def expand(node: Container) -> None:
    rt = node._metadata.ref_type
    val: Any
    if (rt is not Any):
        if is_dict_annotation(rt):
            val = {}
        elif (is_list_annotation(rt) or is_tuple_annotation(rt)):
            val = []
        else:
            val = rt
    elif isinstance(node, DictConfig):
        val = {}
    else:
        assert False
    node._set_value(val)
def expand(node: Container) -> None:
    rt = node._metadata.ref_type
    val: Any
    if (rt is not Any):
        if is_dict_annotation(rt):
            val = {}
        elif (is_list_annotation(rt) or is_tuple_annotation(rt)):
            val = []
        else:
            val = rt
    elif isinstance(node, DictConfig):
        val = {}
    else:
        assert False
    node._set_value(val)