import { PipelineOperator } from "../../core";
/**
 * Sorts all input documents and returns them to the pipeline in sorted order.
 *
 * See {@link https://www.mongodb.com/docs/manual/reference/operator/aggregation/sort/ usage}.
 *
 * @param collection
 * @param sortKeys
 * @param options
 * @returns
 */
export declare const $sort: PipelineOperator;
