import type { DataXY } from 'cheminfo-types';
import type { XYIntegrationOptions } from './xyIntegration.ts';
export interface XYIntegralOptions extends XYIntegrationOptions {
    /**
     * Integrate from the larger value to the smallest value
     * @default false
     */
    reverse?: boolean;
}
/**
 * Generate a X / Y of the xyIntegral
 * @param data - object that contains property x (an ordered increasing array) and y (an array).
 * @param options - options.
 * @returns an object with the cumulative integral values.
 */
export declare function xyIntegral(data: DataXY, options?: XYIntegralOptions): DataXY<Float64Array>;
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