import type { IAsyncEnumerable } from "../../types";
type SelectManyFunc = {
    <TSource, Y>(source: AsyncIterable<TSource>, selector: (x: TSource, index: number) => Iterable<Y>): IAsyncEnumerable<Y>;
    <TSource extends {
        [key: string]: Iterable<Y>;
    }, Y>(source: AsyncIterable<TSource>, selector: keyof TSource): IAsyncEnumerable<Y>;
};
export declare const selectMany: SelectManyFunc;
export {};