(cls: _T, *arg: Any, **kw: Any)
| 215 | _singleton: SingletonConstant |
| 216 | |
| 217 | def __new__(cls: _T, *arg: Any, **kw: Any) -> _T: |
| 218 | return cast(_T, cls._singleton) |
| 219 | |
| 220 | @util.non_memoized_property |
| 221 | def proxy_set(self) -> FrozenSet[ColumnElement[Any]]: |
no test coverage detected