import type { DataXY } from 'cheminfo-types';
export interface XYMergeByCentroidsOptions {
    /**
     * window size, has to be a positive number
     * @default 0.01
     */
    window?: number;
}
/**
 * Merge abscissa values if the ordinate value is in a list of centroids
 * @param data - object containing 2 properties x and y
 * @param centroids - centroids
 * @param options - options
 * @returns merged points
 */
export declare function xyMergeByCentroids(data: DataXY, centroids: number[], options?: XYMergeByCentroidsOptions): DataXY<Float64Array>;
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