import { AsyncSequence } from "../../sequency";
export declare class Unzip {
    /**
     * Returns a pair of arrays where the first array contains all first values
     * and the second array all second values from each input pair of the sequence.
     *
     * @returns {Promise<[T[], S[]]>}
     */
    unzip<T, S>(this: AsyncSequence<[T, S]>): Promise<[T[], S[]]>;
}