import type { DataXY } from 'cheminfo-types';
import type { PointWithIndex } from '../types/index.ts';
import type { XGetFromToIndexOptions } from '../x/xGetFromToIndex.ts';
/**
 * Finds all the max values
 * If the values are equal the middle
 * of the equal part will be the position of the signal!
 * @param data - Object that contains property x (an ordered increasing array) and y (an array)
 * @param options - Object with from and to properties
 * @returns - Array of points
 */
export declare function xyMaximaY(data: DataXY, options?: XGetFromToIndexOptions): PointWithIndex[];
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