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from collections.abc import Sequence
from typing import TypeVar, overload, Any, SupportsIndex

from numpy import generic, _CastingKind
from numpy._typing import (
    NDArray,
    ArrayLike,
    DTypeLike,
    _ArrayLike,
    _DTypeLike,
)

_SCT = TypeVar("_SCT", bound=generic)
_ArrayType = TypeVar("_ArrayType", bound=NDArray[Any])

__all__: list[str]

@overload
def atleast_1d(arys: _ArrayLike[_SCT], /) -> NDArray[_SCT]: ...
@overload
def atleast_1d(arys: ArrayLike, /) -> NDArray[Any]: ...
@overload
def atleast_1d(*arys: ArrayLike) -> list[NDArray[Any]]: ...

@overload
def atleast_2d(arys: _ArrayLike[_SCT], /) -> NDArray[_SCT]: ...
@overload
def atleast_2d(arys: ArrayLike, /) -> NDArray[Any]: ...
@overload
def atleast_2d(*arys: ArrayLike) -> list[NDArray[Any]]: ...

@overload
def atleast_3d(arys: _ArrayLike[_SCT], /) -> NDArray[_SCT]: ...
@overload
def atleast_3d(arys: ArrayLike, /) -> NDArray[Any]: ...
@overload
def atleast_3d(*arys: ArrayLike) -> list[NDArray[Any]]: ...

@overload
def vstack(
    tup: Sequence[_ArrayLike[_SCT]],
    *,
    dtype: None = ...,
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def vstack(
    tup: Sequence[ArrayLike],
    *,
    dtype: _DTypeLike[_SCT],
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def vstack(
    tup: Sequence[ArrayLike],
    *,
    dtype: DTypeLike = ...,
    casting: _CastingKind = ...
) -> NDArray[Any]: ...

@overload
def hstack(
    tup: Sequence[_ArrayLike[_SCT]],
    *,
    dtype: None = ...,
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def hstack(
    tup: Sequence[ArrayLike],
    *,
    dtype: _DTypeLike[_SCT],
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def hstack(
    tup: Sequence[ArrayLike],
    *,
    dtype: DTypeLike = ...,
    casting: _CastingKind = ...
) -> NDArray[Any]: ...

@overload
def stack(
    arrays: Sequence[_ArrayLike[_SCT]],
    axis: SupportsIndex = ...,
    out: None = ...,
    *,
    dtype: None = ...,
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def stack(
    arrays: Sequence[ArrayLike],
    axis: SupportsIndex = ...,
    out: None = ...,
    *,
    dtype: _DTypeLike[_SCT],
    casting: _CastingKind = ...
) -> NDArray[_SCT]: ...
@overload
def stack(
    arrays: Sequence[ArrayLike],
    axis: SupportsIndex = ...,
    out: None = ...,
    *,
    dtype: DTypeLike = ...,
    casting: _CastingKind = ...
) -> NDArray[Any]: ...
@overload
def stack(
    arrays: Sequence[ArrayLike],
    axis: SupportsIndex = ...,
    out: _ArrayType = ...,
    *,
    dtype: DTypeLike = ...,
    casting: _CastingKind = ...
) -> _ArrayType: ...

@overload
def block(arrays: _ArrayLike[_SCT]) -> NDArray[_SCT]: ...
@overload
def block(arrays: ArrayLike) -> NDArray[Any]: ...

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