import type { DoubleArray } from 'cheminfo-types';
import type { DataXReIm } from '../types/index.ts';
/**
 * Sort object of arrays, x has to be monotone.
 * @param data - object of kind {x:[], re:[], im:[]}
 * @returns - sorted array
 */
export declare function xreimSortX<ArrayType extends DoubleArray = DoubleArray>(data: DataXReIm<ArrayType>): DataXReIm<ArrayType>;
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