import type { Iter } from './index.js';
type Map = {
    <G extends Iterable<any>, Fn extends (input: Iter.ValueType<G>) => any>(fn: Fn): (gen: G) => Iterable<ReturnType<Fn>>;
    <G extends Iterable<any>, Fn extends (input: Iter.ValueType<G>) => any>(fn: Fn, gen: G): Iterable<ReturnType<Fn>>;
};
/**
 * Transform and `yield` each value produced by a generator.
 *
 * @tags transform, generator
 */
export declare const map: Map;
export {};