How to use the jsii._kernel.types.ObjRef function in jsii

def ohook(d):
    if d.keys() == {"$jsii.byref"} or d.keys() == {"$jsii.byref", "$jsii.interfaces"}:
        return ObjRef(ref=d["$jsii.byref"], interfaces=d.get("$jsii.interfaces"))
    if d.keys() == {"$jsii.date"}:
        return dateutil.parser.isoparse(d["$jsii.date"])
    if d.keys() == {"$jsii.enum"}:
        ref, member = d["$jsii.enum"].rsplit("/", 1)
        return EnumRef(ref=ObjRef(ref=ref + "@"), member=member)
    if d.keys() == {"$jsii.map"}:
        return d["$jsii.map"]
    return d

def ohook(d):
    if d.keys() == {"$jsii.byref"} or d.keys() == {"$jsii.byref", "$jsii.interfaces"}:
        return ObjRef(ref=d["$jsii.byref"], interfaces=d.get("$jsii.interfaces"))
    if d.keys() == {"$jsii.date"}:
        return dateutil.parser.isoparse(d["$jsii.date"])
    if d.keys() == {"$jsii.enum"}:
        ref, member = d["$jsii.enum"].rsplit("/", 1)
        return EnumRef(ref=ObjRef(ref=ref + "@"), member=member)
    if d.keys() == {"$jsii.map"}:
        return d["$jsii.map"]
    return d

CallbacksRequest,
            _with_api_key("callbacks", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            CompleteRequest,
            _with_api_key("complete", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            StatsRequest,
            _with_api_key("stats", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            Override, self._serializer.unstructure_attrs_asdict
        )
        self._serializer.register_unstructure_hook(ObjRef, _unstructure_ref)
        self._serializer.register_structure_hook(ObjRef, _with_reference)

        self._ctx_stack = contextlib.ExitStack()

self._serializer.register_unstructure_hook(
            CallbacksRequest,
            _with_api_key("callbacks", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            CompleteRequest,
            _with_api_key("complete", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            StatsRequest,
            _with_api_key("stats", self._serializer.unstructure_attrs_asdict),
        )
        self._serializer.register_unstructure_hook(
            Override, self._serializer.unstructure_attrs_asdict
        )
        self._serializer.register_unstructure_hook(ObjRef, _unstructure_ref)
        self._serializer.register_structure_hook(ObjRef, _with_reference)

        self._ctx_stack = contextlib.ExitStack()

def _recursize_dereference(kernel, d):
    if isinstance(d, dict):
        return {k: _recursize_dereference(kernel, v) for k, v in d.items()}
    elif isinstance(d, list):
        return [_recursize_dereference(kernel, i) for i in d]
    elif isinstance(d, ObjRef):
        return _reference_map.resolve_reference(kernel, d)
    elif isinstance(d, EnumRef):
        return _recursize_dereference(kernel, d.ref)(d.member)
    else:
        return d