import type { IParallelEnumerable } from "../../types";
type SelectFunc = {
    <TSource, OUT>(source: IParallelEnumerable<TSource>, selector: (x: TSource) => OUT): IParallelEnumerable<OUT>;
    <TSource, TKey extends keyof TSource>(source: IParallelEnumerable<TSource>, key: TKey): IParallelEnumerable<TSource[TKey]>;
};
export declare const select: SelectFunc;
export {};