Recursively copy this CfgNode.
(self)
| 271 | v._immutable(is_immutable) |
| 272 | |
| 273 | def clone(self): |
| 274 | """Recursively copy this CfgNode.""" |
| 275 | return copy.deepcopy(self) |
| 276 | |
| 277 | def register_deprecated_key(self, key): |
| 278 | """Register key (e.g. `FOO.BAR`) a deprecated option. When merging deprecated |