from django.db.models.base import Model
from django.db.models.sql.query import Query
from typing import (
    Any,
    Dict,
    Iterator,
    Optional,
    Tuple,
    Union,
)


class BaseIterable:
    def __init__(
        self,
        queryset: QuerySet,
        chunked_fetch: bool = ...,
        chunk_size: int = ...
    ) -> None: ...


class FlatValuesListIterable:
    def __iter__(self) -> Iterator[Any]: ...


class InstanceCheckMeta:
    def __instancecheck__(self, instance: Union[str, QuerySet]) -> bool: ...


class ModelIterable:
    def __iter__(self) -> Iterator[Model]: ...


class NamedValuesListIterable:
    def __iter__(self): ...


class Prefetch:
    def __eq__(self, other: None) -> bool: ...
    def __getstate__(self) -> Dict[str, Union[str, QuerySet, None]]: ...
    def __hash__(self) -> int: ...
    def __init__(
        self,
        lookup: str,
        queryset: Optional[QuerySet] = ...,
        to_attr: Optional[str] = ...
    ) -> None: ...
    def add_prefix(self, prefix: str) -> None: ...
    def get_current_prefetch_to(self, level: int) -> str: ...
    def get_current_queryset(self, level: int) -> Optional[QuerySet]: ...
    def get_current_to_attr(self, level: int) -> Union[Tuple[str, None], Tuple[str, bool]]: ...


class QuerySet:
    def __and__(self, other: QuerySet) -> QuerySet: ...
    def __bool__(self) -> bool: ...
    def __getitem__(self, k: Union[slice, int]) -> Any: ...
    def __getstate__(self) -> Dict[str, Any]: ...
    def __init__(
        self,
        model: Any = ...,
        query: Optional[Query] = ...,
        using: Optional[str] = ...,
        hints: Dict[str, Model] = ...
    ) -> None: ...