mingo/dist/types/operators/pipeline/group.d.ts

MongoDB query language for in-memory objects

import { PipelineOperator } from "../../core";
/**
 * Groups documents together for the purpose of calculating aggregate values based on a collection of documents.
 *
 * @param collection
 * @param expr
 * @param options
 * @returns {Array}
 */
export declare const $group: PipelineOperator;