typing

src/ifcopenshell-python/ifcopenshell/ifcopenshell_wrapper.pyi

@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
+import ifcopenshell
 from typing import Any, Union, Literal
 
 # `std::vector<xxx>` usually translated to `tuple[xxx, ...]`.
@@ -775,6 +776,9 @@ class entity(declaration):
     def supertype(self) -> Union[entity, None]: ...
 
 class entity_instance:
+    file: ifcopenshell.file
+    """Reference to IFC file to prevent it's garbage collection, if entity is still used."""
+
     file_: Any
     id_: Any
     def data(self, *args): ...