(element: ifcopenshell.entity_instance | None)
| 35 | |
| 36 | |
| 37 | def _ref_or_none(element: ifcopenshell.entity_instance | None) -> dict[str, Any] | None: |
| 38 | return _ref(element) if element is not None else None |
| 39 | |
| 40 | |
| 41 | def _ref_list(elements) -> list[dict[str, Any]]: |