from collections.abc import Generator
from typing import Any

from sympy.core.add import Add
from sympy.core.basic import Basic
from sympy.core.function import UndefinedFunction
from sympy.core.mul import Mul
from sympy.series.order import Order

def continued_fraction(a) -> list: ...
def continued_fraction_periodic(p, q, d=..., s=...) -> list: ...
def continued_fraction_reduce(cf) -> Order | Basic | Any | Add | Mul: ...
def continued_fraction_iterator(x) -> Generator[type[UndefinedFunction] | Any, Any, None]: ...
def continued_fraction_convergents(cf) -> Generator[Any, Any, None]: ...