# Stubs for email.mime.application from typing import Callable, Optional, Tuple, Union from email.mime.nonmultipart import MIMENonMultipart _ParamsType = Union[str, None, Tuple[str, Optional[str], str]] class MIMEApplication(MIMENonMultipart): def __init__(self, _data: bytes, _subtype: str = ..., _encoder: Callable[[MIMEApplication], None] = ..., **_params: _ParamsType) -> None: ...