435: error: Incompatible return value type (got "Message", expected "PackageMetadata")  [return-value]
435: note: Following member(s) of "Message" have conflicts:
435: note:     Expected:
435: note:         def [_T] get_all(self, name: str, failobj: _T = ...) -> Union[List[Any], _T]
435: note:     Got:
435: note:         @overload
435: note:         def get_all(self, name: str, failobj: None = ...) -> Optional[List[Any]]
435: note:         @overload
435: note:         def [_T] get_all(self, name: str, failobj: _T) -> Union[List[Any], _T]