import type { Curried } from '../../compositions/curry.js';
import type { MaybePromise, Series, SyncSeries } from '../../controls/types.js';
declare function _syncPeek<T>(input: SyncSeries<T>, action: (value: T) => void): Generator<T>;
declare function _asyncPeek<T>(input: Series<T>, action: (value: Awaited<T>) => MaybePromise<void>): AsyncGenerator<Awaited<T>>;
export declare function peekSync<T>(...args: Parameters<typeof _syncPeek<T>>): ReturnType<typeof _syncPeek<T>>;
export declare function peekSync<T>(...args: Parameters<Curried<typeof _syncPeek<T>>>): ReturnType<Curried<typeof _syncPeek<T>>>;
export declare function peekAsync<T>(...args: Parameters<typeof _asyncPeek<T>>): ReturnType<typeof _asyncPeek<T>>;
export declare function peekAsync<T>(...args: Parameters<Curried<typeof _asyncPeek<T>>>): ReturnType<Curried<typeof _asyncPeek<T>>>;
/** Performs the specified action for each element and passes it through.  */
export declare namespace peek {
    const sync: typeof peekSync;
    const async: typeof peekAsync;
}
export {};
//# sourceMappingURL=peek.d.ts.map