from typing import Iterable, Callable, IO, Optional, Union, Iterator

class FileInput(Iterable[str]):
    def __init__(
        self,
        files: Optional[Union[str, Iterable[str]]] = None,
        inplace: bool = ...,
        backup: str = ...,
        bufsize: int = ...,
        mode: str = ...,
        openhook: Callable[[str, str], IO[str]] = ...
    ) -> None: ...

    def __del__(self) -> None: ...
    def close(self) -> None: ...
    def __iter__(self) -> Iterator[str]: ...
    def __getitem__(self, i: Union[int, slice]) -> str: ...
    def next(self) -> str: ...
    def nextfile(self) -> None: ...
    def readline(self) -> str: ...
    def filename(self) -> Optional[str]: ...
    def lineno(self) -> int: ...
    def filelineno(self) -> int: ...
    def fileno(self) -> int: ...
    def isfirstline(self) -> bool: ...
    def isstdin(self) -> bool: ...

def input(
    files: Optional[Union[str, Iterable[str]]] = None,
    inplace: bool = ...,
    backup: str = ...,
    bufsize: int = ...,
    mode: str = ...,
    openhook: Callable[[str, str], IO[str]] = ...) -> FileInput: ...


def filename() -> Optional[str]: ...
def lineno() -> int: ...
def filelineno() -> int: ...
def isfirstline() -> bool: ...
def isstdin() -> bool: ...
def nextfile() -> None: ...
def close() -> None: ...

def hook_compressed(filename: str, mode: str) -> IO[str]: ...
def hook_encoded(encoding: str) -> Callable[[str, str], IO[str]]: ...