import type { NumberArray } from 'cheminfo-types';
import type { XGetFromToIndexOptions } from './xGetFromToIndex.ts';
/**
 * Computes the weighted mean value of an array of values.
 * @deprecated please use xyMassCenter
 * @param array - array of numbers
 * @param weights - array of weights
 * @param options - options
 */
export declare function xMeanWeighted(array: NumberArray, weights: NumberArray, options?: XGetFromToIndexOptions): number;
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