/**
 * Sort comparator handled by conventional sort algorithm.
 *
 * @param {Array} sortingOrders Sort orders (`asc` for ascending, `desc` for descending).
 * @param {Array} columnMetas Column meta objects.
 * @returns {Function}
 */
export declare function rootComparator(sortingOrders: string[], columnMetas: Record<string, unknown>[]): (rowIndexWithValues: unknown[], nextRowIndexWithValues: unknown[]) => number;