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from typing import List, Tuple, TypeVar, Union

from typing_extensions import Literal

from pyspark.mllib.linalg import Vector
from numpy import ndarray  # noqa: F401
from py4j.java_gateway import JavaObject

VectorLike = Union[ndarray, Vector, List[float], Tuple[float, ...]]
C = TypeVar("C", bound=type)
JavaObjectOrPickleDump = Union[JavaObject, bytearray, bytes]

CorrMethodType = Union[Literal["spearman"], Literal["pearson"]]
KolmogorovSmirnovTestDistNameType = Literal["norm"]
NormType = Union[None, float, Literal["fro"], Literal["nuc"]]