import type { DataXY } from 'cheminfo-types';
interface XYWeightedMergeOptions {
    /**
     * window for abscissas to merge
     * @default 0.001
     */
    groupWidth?: number;
}
/**
 * Merge abscissas values on similar ordinates and weight the group of abscissas
 * @param data - object containing 2 properties x and y
 * @param options - options
 * @returns array of merged and weighted points
 */
export declare function xyWeightedMerge(data: DataXY, options?: XYWeightedMergeOptions): DataXY<number[]>;
export {};
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