/**
 * Class representing a sorting utility.
 */
export default class Sorting {
    private readonly arr;
    private readonly query;
    /**
     * Create a Sorting instance.
     * @param arr - The array to be sorted.
     * @param query - The query object containing the sorting key and order.
     */
    constructor(arr: any[], query: {
        [s: string]: unknown;
    } | ArrayLike<unknown>);
    /**
     * Sort the array based on the query.
     * @param arr - The array to be sorted.
     * @param query - The query object containing the sorting key and order.
     * @returns A promise that resolves to the sorted array.
     */
    sort(aditionalField?: string): Promise<any[]>;
}