@argcomb(a={1: 'b', 2: 'c', 3: 'd'})
def f(a: Any=None, b: Any=None, c: Any=None, d: Any=None) -> None:
    ...
@argcomb(a={1: 'b', 2: 'c', 3: 'd'})
def f(a: Any=None, b: Any=None, c: Any=None, d: Any=None) -> None:
    ...