from collections.abc import Mapping

import numpy as np
from numpy import ndarray
from scipy import sparse as sparse

from .._typing import ArrayLike, MatrixLike
from ..preprocessing import LabelEncoder as LabelEncoder

# Authors: Andreas Mueller
#          Manoj Kumar
# License: BSD 3 clause

def compute_class_weight(class_weight: dict[int, int] | None | Mapping | str, *, classes: ArrayLike, y: ArrayLike) -> ndarray: ...
def compute_sample_weight(
    class_weight: None | Mapping | str | ArrayLike, y: MatrixLike | ArrayLike, *, indices: None | ArrayLike = None
) -> ndarray: ...