import type { Flatten } from '../types/mod';
import type { MapFn } from '../types/functions/mod';
export interface FlatMap {
    <T, R extends Iterable<any> | AsyncIterable<any>>(fn: MapFn<T, R>, iter: AsyncIterable<T>): AsyncIterable<Flatten<R>>;
    <T, R extends Iterable<any> | AsyncIterable<any>>(fn: MapFn<T, R>): (iter: AsyncIterable<T>) => AsyncIterable<Flatten<R>>;
}
export declare const flatMap: FlatMap;
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