from typing import Any, Dict, List, Optional, Tuple, Type, Union, overload

_defaultaction: str
_onceregistry: Dict[Any, Any]
filters: List[Tuple[Any, ...]]

@overload
def warn(message: str, category: Optional[Type[Warning]] = ..., stacklevel: int = ..., source: Optional[Any] = ...) -> None: ...
@overload
def warn(message: Warning, category: Any = ..., stacklevel: int = ..., source: Optional[Any] = ...) -> None: ...
@overload
def warn_explicit(
    message: str,
    category: Type[Warning],
    filename: str,
    lineno: int,
    module: Optional[str] = ...,
    registry: Optional[Dict[Union[str, Tuple[str, Type[Warning], int]], int]] = ...,
    module_globals: Optional[Dict[str, Any]] = ...,
    source: Optional[Any] = ...,
) -> None: ...
@overload
def warn_explicit(
    message: Warning,
    category: Any,
    filename: str,
    lineno: int,
    module: Optional[str] = ...,
    registry: Optional[Dict[Union[str, Tuple[str, Type[Warning], int]], int]] = ...,
    module_globals: Optional[Dict[str, Any]] = ...,
    source: Optional[Any] = ...,
) -> None: ...