--- /dev/null
+from email.charset import Charset
+from typing import Any
+
+class Header:
+ def __init__(
+ self,
+ s: bytes | str | None = ...,
+ charset: Charset | str | None = ...,
+ maxlinelen: int | None = ...,
+ header_name: str | None = ...,
+ continuation_ws: str = ...,
+ errors: str = ...,
+ ) -> None: ...
+ def append(self, s: bytes | str, charset: Charset | str | None = ..., errors: str = ...) -> None: ...
+ def encode(self, splitchars: str = ..., maxlinelen: int | None = ..., linesep: str = ...) -> str: ...
+ def __str__(self) -> str: ...
+ def __eq__(self, other: Any) -> bool: ...
+ def __ne__(self, other: Any) -> bool: ...
+
+def decode_header(header: Header | str) -> list[tuple[bytes, str | None]]: ...
+def make_header(
+ decoded_seq: list[tuple[bytes, str | None]],
+ maxlinelen: int | None = ...,
+ header_name: str | None = ...,
+ continuation_ws: str = ...,
+) -> Header: ...