@reactivex/ix-esnext-esm/asynciterable/_grouping.d.ts

/**
 * @ignore
 */
export declare function createGrouping<TSource, TKey, TValue>(source: AsyncIterable<TSource>, keySelector: (value: TSource) => TKey | Promise<TKey>, elementSelector: (value: TSource) => TValue | Promise<TValue>): Promise<Map<TKey, TValue[]>>;