# Stubs for email.header (Python 3.4)

from typing import Union, Optional, Any, List, Tuple
from email.charset import Charset

class Header:
    def __init__(self, s: Union[bytes, str, None] = ...,
                 charset: Union[Charset, str, None] = ...,
                 maxlinelen: Optional[int] = ...,
                 header_name: Optional[str] = ..., continuation_ws: str = ...,
                 errors: str = ...) -> None: ...
    def append(self, s: Union[bytes, str],
               charset: Union[Charset, str, None] = ...,
               errors: str = ...) -> None: ...
    def encode(self, splitchars: str = ..., maxlinelen: Optional[int] = ...,
               linesep: str = ...) -> str: ...
    def __str__(self) -> str: ...
    def __eq__(self, other: Any) -> bool: ...
    def __ne__(self, other: Any) -> bool: ...

def decode_header(header: Union[Header, str]) -> List[Tuple[bytes, Optional[str]]]: ...
def make_header(decoded_seq: List[Tuple[bytes, Optional[str]]],
                maxlinelen: Optional[int] =...,
                header_name: Optional[str] = ...,
                continuation_ws: str = ...) -> Header: ...