--- /dev/null
+from socket import socket
+from typing import Any, Iterable, Sequence
+
+from .compat import HAS_IPV6 as HAS_IPV6, PY2 as PY2, WIN as WIN, string_types as string_types
+from .proxy_headers import PROXY_HEADERS as PROXY_HEADERS
+
+truthy: frozenset[Any]
+KNOWN_PROXY_HEADERS: frozenset[Any]
+
+def asbool(s: bool | str | int | None) -> bool: ...
+def asoctal(s: str) -> int: ...
+def aslist_cronly(value: str) -> list[str]: ...
+def aslist(value: str) -> list[str]: ...
+def asset(value: str | None) -> set[str]: ...
+def slash_fixed_str(s: str | None) -> str: ...
+def str_iftruthy(s: str | None) -> str | None: ...
+def as_socket_list(sockets: Sequence[object]) -> list[socket]: ...
+
+class _str_marker(str): ...
+class _int_marker(int): ...
+class _bool_marker: ...
+
+class Adjustments:
+ host: _str_marker = ...
+ port: _int_marker = ...
+ listen: list[str] = ...
+ threads: int = ...
+ trusted_proxy: str | None = ...
+ trusted_proxy_count: int | None = ...
+ trusted_proxy_headers: set[str] = ...
+ log_untrusted_proxy_headers: bool = ...
+ clear_untrusted_proxy_headers: _bool_marker | bool = ...
+ url_scheme: str = ...
+ url_prefix: str = ...
+ ident: str = ...
+ backlog: int = ...
+ recv_bytes: int = ...
+ send_bytes: int = ...
+ outbuf_overflow: int = ...
+ outbuf_high_watermark: int = ...
+ inbuf_overflow: int = ...
+ connection_limit: int = ...
+ cleanup_interval: int = ...
+ channel_timeout: int = ...
+ log_socket_errors: bool = ...
+ max_request_header_size: int = ...
+ max_request_body_size: int = ...
+ expose_tracebacks: bool = ...
+ unix_socket: str | None = ...
+ unix_socket_perms: int = ...
+ socket_options: list[tuple[int, int, int]] = ...
+ asyncore_loop_timeout: int = ...
+ asyncore_use_poll: bool = ...
+ ipv4: bool = ...
+ ipv6: bool = ...
+ sockets: list[socket] = ...
+ def __init__(self, **kw: Any) -> None: ...
+ @classmethod
+ def parse_args(cls, argv: str) -> tuple[dict[str, Any], Any]: ...
+ @classmethod
+ def check_sockets(cls, sockets: Iterable[socket]) -> None: ...