The `LegacyTreeDef` type and its normalization path have been removed. All tree definitions must now use the factory functions (`leaf`, `sequential`, `parallel`, `selector`, `random`, `repeat`). The `TreeDef` type is now simply `TaskEntityDef`.
The `LegacyTreeDef` type and its normalization path have been removed. All tree definitions must now use the factory functions (`leaf`, `sequential`, `parallel`, `selector`, `random`, `repeat`). The `TreeDef` type is now simply `TaskEntityDef`.