Method call before attaching `children`.
(self, children: Mapping[str, Self])
| 229 | pass |
| 230 | |
| 231 | def _pre_attach_children(self, children: Mapping[str, Self]) -> None: |
| 232 | """Method call before attaching `children`.""" |
| 233 | pass |
| 234 | |
| 235 | def _post_attach_children(self, children: Mapping[str, Self]) -> None: |
| 236 | """Method call after attaching `children`.""" |