from collections.abc import Generator, ValuesView
from inspect import Parameter
from itertools import islice
from typing import Any, Callable
from typing_extensions import LiteralString, Self

class MDNotImplementedError(NotImplementedError): ...

def ambiguity_warn(dispatcher, ambiguities) -> None: ...

class RaiseNotImplementedError:
    def __init__(self, dispatcher) -> None: ...
    def __call__(self, *args, **kwargs): ...

def ambiguity_register_error_ignore_dup(dispatcher, ambiguities) -> None: ...

_unresolved_dispatchers: set[Dispatcher] = ...
_resolve = ...

def halt_ordering() -> None: ...
def restart_ordering(on_ambiguity=...) -> None: ...

class Dispatcher:
    __slots__ = ...
    def __init__(self, name, doc=...) -> None: ...
    def register(self, *types, **kwargs) -> Callable[..., Any]: ...
    @classmethod
    def get_func_params(cls, func) -> ValuesView[Parameter] | None: ...
    @classmethod
    def get_func_annotations(cls, func) -> tuple[Any, ...] | None: ...
    def add(self, signature, func, on_ambiguity=...) -> None: ...
    def reorder(self, on_ambiguity=...) -> None: ...
    def __call__(self, *args, **kwargs): ...

    __repr__ = ...
    def dispatch(self, *types) -> None: ...
    def dispatch_iter(self, *types) -> Generator[Any, Any, None]: ...
    def resolve(self, types) -> None: ...
    def __getstate__(self) -> dict[str, Any]: ...
    def __setstate__(self, d) -> None: ...
    @property
    def __doc__(self) -> str: ...
    def help(self, *args, **kwargs) -> None: ...
    def source(self, *args, **kwargs) -> None: ...

def source(func) -> str: ...

class MethodDispatcher(Dispatcher):
    @classmethod
    def get_func_params(cls, func) -> islice[Parameter] | None: ...
    def __get__(self, instance, owner) -> Self: ...
    def __call__(self, *args, **kwargs): ...

def str_signature(sig) -> LiteralString: ...
def warning_text(name, amb): ...