from typing import Sequence
from .MPI import Intracomm

def helloworld(comm: Intracomm, args: Sequence[str] | None = None, verbose: bool = True) -> str: ...
def ringtest(comm: Intracomm, args: Sequence[str] | None = None, verbose: bool = True) -> float: ...
def pingpong(comm: Intracomm, args: Sequence[str] | None = None, verbose: bool = True) -> list[tuple[int, float, float]]: ...
def futures(comm: Intracomm, args: Sequence[str] | None = None, verbose: bool = True) -> list[tuple[int, float, float]]: ...
def main(args: Sequence[str] | None = ...) -> None: ...