from typing import Any
from typing_extensions import Self

rgen = ...

class Point:
    def __init__(self, x_cord, z_cord, a_24, mod) -> None: ...
    def __eq__(self, other) -> bool: ...
    def add(self, Q, diff) -> Point: ...
    def double(self) -> Point: ...
    def mont_ladder(self, k) -> Self | Point: ...

def ecm(n, B1=..., B2=..., max_curve=..., seed=...) -> set[Any]: ...