class InDel: def get_start(self) -> int: ... def get_stop(self) -> int: ... def len(self) -> int: ... def get_seq(self) -> list[int]: ... def preserves_reading_frame(self) -> bool: ... def breaks_reading_frame(self) -> bool: ... class Insertion(InDel): position: int sequence: str def __init__(self, position: int, sequence: list[int]): ... class Deletion(InDel): start: int stop: int def __init__(self, start: int, stop: int): ...