in typehints/pyboard/pyb.pyi [0:0]
def init(
self,
mode: int,
/,
extframe: bool = False,
prescaler: int = 100,
*,
sjw: int = 1,
bs1: int = 6,
bs2: int = 8,
auto_restart: bool = False,
baudrate: int = 0,
sample_point: int = 75,