import type { DataXY, NumberArray } from 'cheminfo-types';
export interface XYMedianYAtXsOptions {
    /** Number of points in the sliding window. Must be odd. Defaults to `5`. */
    windowSize?: number;
}
/**
 * Computes the median of Y values in a sliding window around each target x position.
 * For each value in xValues, the closest index in data.x is found and the median
 * of the surrounding y values (within the window) is returned.
 * @param data - Object with x (sorted in increasing order) and y arrays of the same length.
 * @param xValues - Array of x positions at which to compute the median.
 * @param options - Options for the median computation.
 * @returns A new DataXY with x = xValues and y = computed medians.
 */
export declare function xyMedianYAtXs(data: DataXY, xValues: NumberArray, options?: XYMedianYAtXsOptions): DataXY;
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