import type { Curried } from '../../compositions/curry.js';
import type { Series, SyncSeries } from '../../controls/types.js';
declare function _syncFlatMap<I, O>(input: SyncSeries<I>, mapper: (value: I) => SyncSeries<O>): Generator<O>;
declare function _asyncFlatMap<I, O>(input: Series<I>, mapper: (value: Awaited<I>) => Series<O>): AsyncGenerator<Awaited<O>>;
export declare function flatMapSync<I, O>(...args: Parameters<typeof _syncFlatMap<I, O>>): ReturnType<typeof _syncFlatMap<I, O>>;
export declare function flatMapSync<I, O>(...args: Parameters<Curried<typeof _syncFlatMap<I, O>>>): ReturnType<Curried<typeof _syncFlatMap<I, O>>>;
export declare function flatMapAsync<I, O>(...args: Parameters<typeof _asyncFlatMap<I, O>>): ReturnType<typeof _asyncFlatMap<I, O>>;
export declare function flatMapAsync<I, O>(...args: Parameters<Curried<typeof _asyncFlatMap<I, O>>>): ReturnType<Curried<typeof _asyncFlatMap<I, O>>>;
/** Identical to a map followed by flatten. */
export declare namespace flatMap {
    const sync: typeof flatMapSync;
    const async: typeof flatMapAsync;
}
export {};
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