This works by adding a third module resolution mode that lets the caller opt into _some_ shadowing of modules that is otherwise not allowed (for `typing` and `typing_extensions`). Fixes astral-sh/ty#1658
This works by adding a third module resolution mode that lets the caller opt into _some_ shadowing of modules that is otherwise not allowed (for `typing` and `typing_extensions`). Fixes astral-sh/ty#1658