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from collections import OrderedDict
from typing import Any, Tuple, Union
import numpy as np
from typish import SubscriptableType, Literal, ClsFunction, EllipsisType
_Size = Union[int, Literal[Any]] # TODO add type vars as well
_Type = Union[type, Literal[Any], np.dtype]
_NSizes = Tuple[_Size, EllipsisType]
_SizeAndType = Tuple[_Size, _Type]
_Sizes = Tuple[_Size, ...]
_SizesAndType = Tuple[Tuple[_Size, ...], _Type]
_NSizesAndType = Tuple[_NSizes, _Type]
_Default = Tuple[Tuple[Literal[Any], EllipsisType], Literal[Any]]
class _NDArrayMeta(SubscriptableType):
_shape = tuple() # Overridden by _NDArray._shape.
_type = ... # Overridden by _NDArray._type.
@property
def dtype(cls) -> np.dtype:
"""
Return the numpy dtype.